Flora of Berkshire County, Massachusetts - Hoffmann, Ralph, 1870 -1932 (1922)

Flora of Burlington and vicinity; a list of the fern and seed plants growing without cultivation - Flynn, Nellie F., 1861 -1922 (Free Press Printing Co, 1911)

A flora of California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtis & Welch, 1909)

Flora of Cambridgeshire; or, A catalogue of plants found in the county of Cambridge; with references to former catalogues, and the localities of the rarer species - Babington, Charles Cardale, 1808 -1895 (J. Van Voorst, 1860)

The Flora of Canada - National Museum of Natural Sciences (Canada) (1978)

The flora of Canada - Macoun, James Melville, 1862 -1920 (Govt. Print. Bureau, 1917)

The flora of Canada - Macoun, James Melville, 1862 -1920 (Government printing bureau, 1917)

The flora of Canada - Ross, Alexander Milton, 1832 -1897 (Rowsell & Hutchison, 1875)

Flora of Colorado - Rydberg, Per Axel, 1860 -1931 (Experiment Station, 1906)

A flora of Concord : an account of the flowering plants, ferns, and fern-allies known to have occurred without cultivation in Concord, Massachusetts from Thoreau's time to the present day - Eaton, Richard J. (Museum of Comparative Zoology, Harvard University, 1974)

Flora of County Kerry : including the flowering plants, ferns, Characeae, &c - Scully, Reginald William, 1858 -1935 (Hodges, Figgis, 1916)

Flora of Delaware and the Eastern Shore : an annotated list of the ferns and flowering plants of the peninsula of Delaware, Maryland and Virginia - Tatnall, Robert Richardson, 1870 - (Society of Natural History of Delaware, 1946)

The flora of Disko Island and the adjacent coast of West Greenland from 66-71 N. lat. : with remarks on phytogeography, ecology, flowering, fructification and hibernation - Porsild, A. E. 1901 - (B. Lunos bogt, 1920)

The flora of Disko Island and the adjacent coast of West Greenland from 66-71 N. lat. : with remarks on phytogeography, ecology, flowering, fructification and hibernation - Porsild, A. E. 1901 - (B. Lunos bogt, 1926)

The flora of Dumfriesshire : including part of the stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

The flora of Dumfriesshire, including part of the Stewartry of Kirkcudbright - Elliot, G. F. Scott (George Francis Scott), 1862 -1934 (J. Maxwell, 1896)

Flora of Edinburgh being a list of plants found in the vicinity of Edinburgh - Balfour, John Hutton, 1808 -1884 (Adam, 1863)

The flora of Essex County, Massachusetts - Robinson, John, 1846 -1925 (Essex Institute, 1880)

The flora of Forfarshire - Gardiner, William (Longman, Brown, Green, and Longmans, 1848)

... Flora of Glacier National Park, Montana - Standley, Paul Carpenter, 1884 -1963 (Govt. Print. Off, 1921)

Flora of Guernsey and the lesser Channel Islands: namely, Alderney, Sark, Herm, Jethou, and the adjacent islets - Marquand, Ernest David, 1848 -1918 (Dulau, 1901)

The flora of Howth - Hart, Henry Chichester, 1847 -1908 (Hodges, Figgis, 1887)

Flora of Indiana - Deam, Charles Clemon, 1865 -1953 (Wm. B. Burford printing co., contractor for state printing and binding, 1940)

Flora of Japan : in English : combined, much revised and extended translation - Meyer, Frederick G, 1917 -2006 (Smithsonian Institution, 1965)

Flora of Lancaster County; being descriptions of the seed- plants growing naturally in Lancaster County, Pennsylvanial - Small, John Kunkel, 1869 -1938 (1913)

The flora of Long Island - Jelliffe, Smith Ely, 1866 -1945 (The New Era Printing Company, 1899)

Flora of Middlesex County, Massachusetts - Collins, Frank S. (Frank Shipley), 1848 -1920 (Middlesex Institute, 1888)

Flora of Mount Desert Island, Maine : a preliminary catalogue of the plants growing on Mount Desert and the adjacent islands - Davis, William Morris, 1850 -1934 (J. Wilson, 1894)

Flora of Mount Desert island, Maine. A preliminary catalogue of the plants growing on Mount Desert and the adjacent islands - Davis, William Morris, 1850 -1934 (J. Wilson and son, 1894)

Flora of Nebraska; a list of the conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1912)

Flora of Nebraska; a list of the conifers and flowering plants of the state, with keys for their determination - Petersen, Niels Frederick, 1877 - (Printed by State Printing Co, 1912)

Flora of Nebraska; a list of the ferns, conifers and flowering plants of the state with keys for their determination - Petersen, Niels Frederick, 1877 - (1923)

Flora of New Bedford and the shores of Buzzards Bay, with a procession of the flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony, 1911)

Flora of Northeastern Pennsylvania - Twining, Alfred, 1853 -1922 (Everhart Museum of Natural History, Science and Art, 1917)

Flora of northeastern Pennsylvania - Everhart Museum. (Everhart Museum of Natural History, Science and Art, 1917)

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia. Vol. I, Phanerogamae - Howell, Thomas, 1842 -1912 ([s.n.], 1897)

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia - Howell, Thomas, 1842 -1912 ([s.n.], 1903)

A flora of northwest America, containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia - Howell, Thomas, 1842 -1912 (1903)

The flora of Oxfordshire and its contiguous counties : (comprising the flowering plants only;) arranged in easy and familiar language according to the Linnaean and natural systems ; preceded by an introduction to botany - Walker, Richard, 1790 or 1791 -1870 (H. Slatter, 1833)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Company, 1903)

Flora of Pennsylvania - Small, John Kunkel, 1869 -1938 (Ginn & Co, 1903)

The flora of Perthshire - White, Francis Buchanan, 1842 -1894 (Perthshire Society of Natural Science, 1898)

Flora of Plymouth: an account of the flowering plants and ferns found within twelve miles of the town; history of local botanical investigation - Briggs, Thomas Richard Archer, 1836 -1891 (J. Van Voorst, 1880)

The flora of Rensselaer County, New York. A record of the phenogams and vascular cryptogams growing in said district, independent of cultivation - Gordinier, Herman Camp, 1864 -1930 (H.B. Nims, 1894)

The flora of Richmond County, New York. A catalogue of the phaenogamous and vascular cryptogamous plants, with occasional notes on the same, growing in Richmond Co., independent of cultivation - Britton, Nathaniel Lord, 1859 -1934 (1879)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (New Era, 1914)

Flora of southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New era printing company, 1914)

Flora of southern British Columbia and Vancouver Island : with many references to Alaska and northern species - Henry, Joseph Kaye. (W.J. Gage, 1915)

Flora of southern British Columbia and Vancouver Island with many references to Alaska and northern species - Henry, Joseph Kaye. (W.J. Gage, 1915)

The flora of Suffolk a topographical enumeration of the plants of the county, showing the results of former observations and of the most recent researches - Hind, Wheelton, 1859 -1920 (Gurney and Jackson, 1889)

Flora of Sussex; or a list of the flowering plants & ferns found in the county of Sussex, with localities of the less common species - Arnold, Frederick Henry. (Simpkin [et al.], 1907)

Flora of the Allegany state park region - House, Homer D. (Homer Doliver), 1878 -1949 (The University of the state of New York, 1927)

The flora of the Alps : being a description of all the species of flowering plants indigenous to Switzerland; and of the alpine species of the adjacent mountain districts of France, Italy, & Austria including the Pyrenees - Bennett, Alfred W. (Alfred William), 1833 -1902 (Truslove & Comba, 1898)

The flora of the Alps being a description of all the species of flowering plants indigenous to Switzerland; and of the Alpine species of the adjacent mountain districts of France, Italy, & Austria including the Pyrenees - Bennett, Alfred W. (Alfred William), 1833 -1902 (J.C. Nimmo, 1896)

The flora of the Alps; being a description of all the species of flowering plants indigenous to Switzerland; and of the alpine species of the adjacent mountain districts of France, Italy, & Austria including the Pyrenees - Bennett, Alfred W. (Alfred William), 1833 -1902 (J. C. Nimmo, 1896)

Flora of the Blue Hills, Middlesex Fells, Stony Brook and Beaver Brook reservations, of the Metropolitan Park Commission, Massachusetts - Massachusetts. Metropolitan Park Commission. (C.M. Barrows, 1896)

Flora of the Blue Hills, Middlesex Fells, Stony Brook and Beaver Brook reservations, of the Metropolitan Park Commission, Massachusetts - Massachusetts. Metropolitan Park Commission. (C. M. Barrows, 1896)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn & Son [etc.], 1881)

Flora of the Bristol coal-field - Bristol Naturalists' Society (Bristol, England) (J. Fawn [etc.], 1881)

The flora of the Cayuga Lake Basin, New York. Vascular plants - Eames, Arthur J., 1881 -1969 (The University, 1926)

Flora of the Columbia County area, New York - McVaugh, Rogers, 1909 -2009 (University of the State of New York, 1958)

A flora of the English Lake District - Baker, John Gilbert, 1834 -1920 (G. Bell, 1885)

Flora of the four corners region : vascular plants of the San Juan River drainage, Arizona, Colorado, New Mexico, and Utah / Kenneth D. Heil...[et al.] - Heil, Kenneth D. (Missouri Botanical Garden, 2013)

Flora of the Indiana dunes, a handbook of the flowering plants and ferns of the lake Michigan Coast of Indiana and of the Calumet District - Peattie, Donald Culross, 1898 -1964 (Field Museum of Natural History, 1930)

The flora of the Liverpool district - Green, C. Theodore (Conrad Theodore) 1863 -1940 (D. Marples & Co, 1902)

Flora of the northwest coast : including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New era printing company, 1915)

Flora of the northwest coast, including the area west of the summit of the Cascade Mountains, from the forty-ninth parallel south to the Calapooia Mountains on the south border of Lane County, Oregon - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1915)

The flora of the parish of Halifax - Crossland, C. (Charles), 1844 -1916 (Halifax Scientific Society, 1904)

Flora of the Queen Charlotte Islands - Calder, James A. (James Alexander), 1915 -1990 (Queen's Printer], 1968)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1922)

Flora of the Rocky Mountains and adjacent plains : Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (Rydberg, 1917)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

Flora of the southeastern Washington and adjacent Idaho - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Press of the New Era Printing Company, 1914)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (Govt. Print. Off, 1906)

Flora of the state of Washington - Piper, Charles V. (Charles Vancouver), 1867 -1926 (G.P.O, 1906)

The flora of the upper Susquehanna and its tributaries - Clute, Willard Nelson, 1869 -1950 (W.N. Clute, 1898)

Flora of the vicinity of New York; a contribution to plant geography - Taylor, Norman, 1883 -1967 (1915)

Flora of Utah - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (Marcus E. Jones, 1879)

Flora of Vermont. List of ferns and seed plants growing without cultivation - Kirk, George Leavitt, 1878 -1966 (Free Press Print. Co, 1915)

A flora of western middle California - Jepson, Willis Linn, 1867 -1946 (Cunningham, Curtiss and Welch, 1911)

A flora of western middle California - Jepson, Willis Linn, 1867 -1946 (Encina Publishing Company, 1901)

Flora of Willoughby, Vermont - Kennedy, George G. (George Golding), 1841 -1918 (1904)

Flora Orcadensis : containing the flowering plants arranged according to the natural orders - Grant, James, 1930 (D. Spence, 1914)

Flora Orientalis : sive, Enumeratio plantarum in Oriente a Graecia et Aegypto ad Indiae fines hucusque observatarum - Boissier, Edmond, 1810 -1885 (H. Georg, 1867)

Flora Oxoniensis, exhibens plantas in agro Oxoniensi sponte crescentes, secundum systema sexuale distributas - Sibthorp, John, 1758 -1796 (Fletcher and Hanwell, 1794)

Flora padovana; ossia, Prospetto floristico e fitogeografico delle piante vascolari indigene inselvatichite o largamente coltivate crescenti nella provincia di Padova; con notizie storico-bibliografiche sulle fonti della flora ed illustrata da 20 tavole - Béguinot, Augusto, 1875 -1940 (Prem. Soc. coop. tip, 1909)

Flora Parisiensis, ou, Descriptions et figures des plantes qui croissent aux environs de Paris; avec les diffrens noms, classes, ordres et genres qui leur conviennent, rangs suivant la mthode sexuelle de M. Linn, leurs parties caractristiques, parts, proprits, vertus et doses d'usage en mdecine, suivant les demonstrations de botanique qui se font au Jardin du roy - Bulliard, Pierre, 1752 -1793 (P.F. Didot, 1776)

Flora Pedemontana : sive Species plantarum Phanerogamarum in Pedemonte et Liguria sponte nascentium ... - Zumaglini, Antonio Mauritio, 1804 -1866 (J. Favale, 1849)

Flora Peoriana; the vegetation in the climate of middle Illinois - Brendel, Frederick, 1820 -1912 (J. W. Franks, 1887)

Flora Petropolitana. Sistens plantas in Gubernio Petropolitano sponte crescentes, tam eas quae olim in Flora Ingrica Krascheninnikovii a Gortero enumeratae sunt, quam novas post annum 1764 hucuque a variis botanicis Petropoli degentibus detectas, nunc vero generice ac specifice descriptas cum additione variarum observationum, atque Russica plantarum denominatione - Sobolewski, Gregor. (Typis Collegii Imperialis Medici, 1799)

Flora piacentina; ossia, Enumerazione sistematica delle piante della provincia di Piacenza, coll'indicazione delle loro stazioni, dei caratteri principali di ciascuna famiglia, dei nomi italiani, di quelli del dialetto piacentino, con osservazioni e note etimologiche - Bracciforti, Alberto, 1838 - (Tip. F. Solari, 1877)

Flora Polonica phanerogama, sive, Descriptiones plantarum phanerogamicarum in Regno Poloniae tam sponte nascentium quam continuata cultura solo nostro assuefactarum Linnaeana methodo dispositae praemisso conspectu generali familiarum regni vegetabilis naturalium - Waga, Jacob. (Typ. Stanislai Straeski, 1847)

Flora Pomerano-Rugica; exhibens plantas per Pomeraniam anteriorem Svecicam et Rugiam sponte nascentes, methodo Linneana secundum systema sexuale digestas cum differentiis specificis nominibus Germanicis, officinalibus pharmacopoeorum, locis natalibus, tempore florendi, obscuriorum descriptionibus - Weigel, Christian Ehrenfried, 1748 -1831 (Apud Gottl. Aug. Lange, 1769)

Flora regni Borussici : flora des Königreichs Preussen oder Abbildung und Beschreibung der in Preussen wildwachsenden Pflanzen - Dietrich, Albert, 1795 -1856 (Verlag von Ludwig Ochmigke, 1838)

Flora regni Borussici : flora des Königreichs Preussen oder Abbildung und Beschreibung der in Preussen wildwachsenden Pflanzen - Dietrich, Albert, 1795 -1856 (Verlag von Ludwig Ochmigke, 1840)

Flora regni Borussici : flora des Königreichs Preussen oder Abbildung und Beschreibung der in Preussen wildwachsenden Pflanzen - Dietrich, Albert, 1795 -1856 (Verlag von Ludwig Ochmigke, 1841)

Flora regni Borussici : flora des Königreichs Preussen oder Abbildung und Beschreibung der in Preussen wildwachsenden Pflanzen - Dietrich, Albert, 1795 -1856 (Verlag von Ludwig Ochmigke, 1833)

Flora Runsteniensis : cujus partem primam [-quartam] venia exp. fac. med. Upsal. præside Carol. P. Thunberg - Thunberg, Carl Peter, 1743 -1828 (Excudebant Zeipel et Palmblad, Reg. Acad. typogr, 1816)

Flora's pocket dictionary : a lexicon of the language and sentiment of flowers (Porter andCoates, 1870)

Flora Scotica, or A description of Scottish plants arranged both according to the artificial and natural methods ; in two parts - Hooker, William Jackson, Sir, 1785 -1865 (printed by Richard and Arthur Taylor..., for Archibald Constable and Co...,and Hurst, Robinson, and Co, 1821)

Flora scotica: or, A systematic arrangement, in the Linnæan method, of the native plants of Scotland and the Hebrides - Lightfoot, John, 1735 -1788 (Printed for B. White, 1777)

Flora Scotica; or, A description of Scottish plants, arranged both according to the artificial and natural methods - Hooker, William Jackson, Sir, 1785 -1865 (Printed by R. and A. Taylor, for A. Constable, 1821)

Flora scotica, or, A description of Scottish plants arranged both according to the artificial and natural methods : in two parts - Hooker, William Jackson, Sir, 1785 -1865 (Hurst, Robinson, 1821)

Flora Scotica: or, a systematic arrangement, in the Linnaean method, of the native plants of Scotland and the Hebrides - Lightfoot, John, 1735 -1788 (printed for B. White, 1777)

La flora sicula; ossia, Manuale delle piante che vegetano nella Sicilia : preceduto da un breve saggio su la botanica generale - Farina, Vincenzo. (Tipografia I. Barone, 1874)

Flora taurico-caucasica exhibens stirpes phaenogamas :in Chersoneso Taurica et regionibus caucasicis sponte crescentes - Marschall von Bieberstein, Friedrich August, Freiherr, 1768 -1826 (Typis Academicis, 1808)

Flora Taurinensis, sive, Enumeratio plantarum circa Taurinensem urbem nascentium - Balbis, Giovanni Battista, 1765 -1831 (Ex Typographia J. Giossi, 1806)

Flora van Helder; handleiding tot het bestemmen der in en om Helder, huisduinen en het koegras wildgroeiende en op openbare plaatsen algemeen aangeplante kruiden, heesters en boomen - Hoek, Julie. (C. de Boer, 1901)

De flora van Nederland - Heukels, Hendrik, 1854 -1936 (N. v. boekhandel en drukkerij voorheen D.J. Brill, 1909)

Flora vectensis: being a systematic description of the phænogamous or flowering plants and ferns indigenous to the Isle of Wight - Hooker, William Jackson, Sir, 1785 -1865 (W. Pamplin, 1856)

Flora Vectiana; being an arrangement of the more rare and interesting plants indigenous to the Isle of Wight - Snooke, W. D. (Printed by Richard Taylor, 1823)

Flora Vitiensis nova : a new Flora of Fiji (spermatophytes only) - Smith, Albert C. (Albert Charles), 1906 Apr 5 - (Pacific Tropical Botanical Garden, 1991)

Flora von Bielefeld, zugleich die Standorte der seltneren Pflanzen im übrigen Westfalen - Jüngst, Ludwig Volrad, 1804 -1880 (A. Helmich, 1837)

Flora von Brandenburg und Umgegend : mit Berücksichtigung der Nachbarstädte Belzig, Genthin, Nauen, Rathenow und Werder - Schramm. (J. Wiesike, 1857)

Flora von Bremen und Oldenburg - Buchenau, Franz, 1831 -1906 (Heinsius Nachfolger, 1919)

Flora von Brixen a. E.; ein mit Standorts- und Höhenangaben versehenes Verzeichnis der im weiteren Gebiete von Brixen a. E. (Südtirol) beobachteten wildwachsenden höheren Sporen- und Samenpflanzen, der Nutzgewächse und Ziergehölze - Heimerl, Anton, 1857 - (Deuticke, 1911)

Die Flora von Davos - Geissler, Otto. (Richter, 1882)

Flora von Erfurt. Verzeichnis der im Kreise Erfurt und seiner nächsten Umgebung beobachteten Gafässpflanzen - Reinecke, Karl L. (C. Villaret, 1914)

Die Flora von Kärnten - Josch, Eduard, 1799 -1874 (Kleinmayr, 1853)

Flora von Kurhessen und Nassau : diagnostischer Theil - Wigand, Albert, 1821 -1886 (T. Kay, 1875)

Flora von Meklenburg, in geographischer, geschichtlicher, systematischer, statistischer u.s.w. Hinsicht - Boll, Ernst, 1817 -1868 (C. Brünslow, 1860)

Flora von Neu-Vorpommern und den Inseln Rügen und Usedom - Marsson, Theodor Friedrich, 1816 -1892 (W. Engelmann, 1869)

Flora von Nieder-Österreich - Beck-Mannagetta, G. (Günther), 1856 -1931 (C. Gerold, 1890)

Flora von Nord- und Mittel-Deutschland. Zum Gebrauche auf Excursionen in Schulen und beim Selbstunterricht, bearb. von August Garcke - Garcke, Aug. (August), 1819 -1904 (Wiegandt und Hempel, 1873)

Flora von Ober-Oesterreich, oder, Systematische Uebersicht aller in diesem Kronlande wildwachsenden oder im Freien gebauten Samenpflanzen - Brittinger, Christian. (1862)

Flora von Pommern - Homann, G. G. J. (Hendess, 1828)

Flora von Schaffhausen - Meister, Jakob. (Buchdr. von H. Meier, 1887)

Flora von Schlesien, preussischen und österreichischen Anteils - Schube, Theodor, 1860 -1934 (Korn, 1904)

Flora von Schlesien, preussischen und österreichischen Antheils, oder, Vom oberen Oder- und Weichsel-Quellen-Gebiet. Nach natürlichen Familien, mit Hinweisung auf das Linnéische System - Wimmer, Friedrich, 1803 -1868 (F. Hirt, 1857)

Flora von Schlesien, preussischen und österreichischen Antheils, oder, Vom oberen Oder- und Weichsel-Quellen-Gebiet : nach natürlichen Familien, mit Hinweisung auf das Linnéische System - Wimmer, Friedrich, 1803 -1868 (F. Hirt, 1841)

Flora von Steiermark : systematische Übersicht der in Steiermark wildwachsenden und allgemein gebauten blühenden Gewächse und Farne : mit Angabe der Standorte, der Blütezeit und Dauer - Maly, Josef Karl, 1797 -1866 (Wilhelm Braumüller, 1868)

Flora von Tirol. Ein Verzeichniss der in Tirol und Vorarlberg wild wachsenden und häesiger gebauten Gefässpflanzen. Mit Berücksichtigung ihrer Verbreitung und örtlichen Verhältnisse verfasst und nach Koch's Synopsis der deutschen Flora geordnet - Hausmann, Franz von, Baron, 1810 -1878 (Wagner, 1851)

Flora von Wien; eine Aufzählung der in den Umgebungen Wiens wild wachsenden oder im grossen gebauten Gefässpflanzen, nebst einer pflanzen-geografischen Uebersicht - Neilreich, August, 1803 -1871 (F. Beck, 1868)