PHS news - Pennsylvania Horticultural Society. (The Society, 1977)

Physiographie der Medicinal-Pflanzen : nebst einem Clavis zur Bestimmung der Pflanzen mit besonderer Berücksichtigung der Nervation der Blätter - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (W. Braumüller, 1862)

Physiologie végétale, ou, Exposition des forces et des fonctions vitales des végétaux pour servir de suite a l'organographie végétale, et d'introduction a la botanique géographique et agricole - Candolle, Augustin Pyramus de, 1778 -1841 (Béchet jeune, 1832)

Physiotypia plantarum austriacarum. Der naturselbstdruck in seiner anwendung auf die gefässpflanzen des österreichischen kaiserstaates, mit besonderer berücksichtigung der nervation in der flächenorganen der pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (1856)

Physiotypia plantarum Austriacarum : die Gefässpflanzen Österrichs in Naturselbstdruck mit besonderer Berücksichtigung der Nervation in den Flächenorganen der Pflanzen - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (F. Tempsky in Prag, 1873)

La physique des arbres : où il est traité de l'anatomie des plantes et de l'économie végétale: pour servir d'introduction au traité complet des bois & des forests: avec une dissertation sur l'utilité des méthodes de botanique ; & une explication des termes propres à cette science, & qui sont en usage pour l'exploitation des bois & des forêts - Duhamel du Monceau, M., 1700 -1782 (H.L. Guerin & L.F. Delatour, 1758)

Phytanthoza iconographia, sive, Conspectus aliquot millium : tam indigenarum quam exoticarum, ex quatuor mundi partibus longâ annorum serie indefesoque studio - Weinmann, Johann Wilhelm, 1683 -1741 (Per Hieronymum Lentzium, 1739)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1978)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1858)

The Phytologist: a botanical journal - Irvine, Alexander, 1793 -1873 (William Pamplin, 1860)

Phytopathologie. Die krankheiten der culturgewächse. Für land- und forstwirthe, gärtner und botaniker - Hallier, Ernst, 1831 -1904 (W. Engelmann, 1868)

Pinaceae, Rutaceae, Meliaceae, Anacardiaceae, Tamaricaceae, Cornaceae, Oleaceae, Bignoniaceae of Nevada - Little, Elbert L. (Elbert Luther), 1907 -2004 (Plant Industry Station, 1956)

Pinax Theatri botanici Caspari Bauhini : ... sive Index in Theophrasti, Dioscoridis, Plinii et botanicorum qui à seculo scripserunt opera: plantarum circiter sex millium ab ipsis exhibitarum nomina cum earundem synonymiis & differentiis methodicè secundùm earum & genera & species proponens. Opus XL. annorum hactenus non editum summoperè expetitum & ad auctores intelligendos plurimùm faciens ... - Bauhin, Caspar, 1560 -1624 (sumptibus et typis Ludovici Regis, 1623)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co., Ltd, 1909)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1900)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare Co., Inc, 1921)

Plant culture; a working hand-book of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Oliver, George W. (George Watson), 1858 -1923 (A. T. De La Mare Printing and Publishing Co, 1912)

Plant culture; a working handbook of every day practice for all who grow flowering and ornamental plants in the garden and greenhouse - Hottes, Alfred Carl, 1891 -1955 (A. T. De La Mare co., inc, 1921)

Plant immigrants - United States. Office of Foreign Seed; Plant Introduction. (Office of Foreign Seed and Plant Introduction, 1923)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1924)

Plant introductions - United States. Office of Foreign Plant Introduction. (Office of Foreign Seed and Plant Introduction, Bureau of Plant Industry, U.S. Dept. of Agriculture, 1925)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1923)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1929)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1934)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1951)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1956)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1966)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1967)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1968)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1921)

Plant materials of decorative gardening; the woody plants - Trelease, William, 1857 -1945 (The author, 1917)

Plant responses to salinity : an indexed bibliography (Office of the Regional Administrator for Agricultural Research (Western Region), Science and Education Administration, U.S. Department of Agriculture, 1978)

Plantae quaedam niloticae : quas in itinere cum divo Adalberto libero barone de Barnim facto collegit Robertus Hartmann - Schweinfurth, Georg August, 1836 -1925 (G. Reimer, 1862)

Plantarum Belgii confoederati indigenarum spicilegium : quo Dav. Gorteri viri cl. Flora VII. provinciarum loculetatur - Gorter, David de, 1717 -1783 (Apud Joannem van Kasteel, 1788)

Les plantes a feuillage coloré : histoire, description, culture, emploi des espèces les plus remarquables pour la décoration des parcs, jardins, serres, appartements précédé d'une introduction par Charles Naudin - Lowe, E. J. (Edward Joseph), 1825 -1900 (Rothschild, 1867)

Planting list and estimate key - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rock Creek Nursery, 1926)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1948)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1950)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1951)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1953)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1957)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1958)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1959)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1960)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1961)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1963)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1964)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1965)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1967)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1976)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1977)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1980)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1981)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1982)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1983)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1985)

Plants & gardens - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1991)

Plants for California landscapes : a catalog of drought tolerant plants - California. Department of Water Resources. (State of California, Resources Agency, Dept. of Water Resources, 1979)

Plants for Idaho gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Petrie Landscape Nurseries, 1932)

Plants of New Zealand - Blackwell, E. W. (Ellen Wright), 1864 -1952 (Whitcombe and Tombs, Ltd, 1906)

Plants of New Zealand - Blackwell, E. W. (Ellen Wright), 1864 -1952 (Whitcombe and Tombs, 1907)

Plantsman - New Hampshire Plant Growers' Association. (1991)

Plantsman - New Hampshire Plant Growers' Association. (1998)

The Pliocene floras of the Dutch-Prussian border - Reid, Clement, 1853 -1916 (M. Nijhoff, 1915)

Die Pljesivica und ihr Verbindungszug mit dem Velebit in botanischer Hinsicht. A Pljesvica s a Velebittel összekötö hegyvonulat botan. viszonyai - Rossi, Ljudevit, 1850 - (Pallas Irodalmi és Nyomdai Részvénytársaság, 1913)

Pomologie française : recueil des plus beaux fruits cultivés en France - Turpin, P. J. F. (Pierre Jean François), 1775 -1840 (Langlois et Leclercq, 1846)

Pomona College journal of entomology - Pomona College (Claremont, Calif.). Department of Biology. (Published under the patronage of Ontario-Cucamonga Citrus Association by the Dept. of Biology of Pomona College, 1910)

Practical forestry. A treatise on the propagation, planting, and cultivation, with a description, and the botanical and popular names of all the indigenous trees of the United States - Fuller, Andrew S. (Andrew Samuel), 1828 -1896 (Orange Judd company, 1884)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (Swan Sonnenschein, 1898)

Practical plant physiology : an introduction to original research for students and teachers of natural science, medicine, agriculture and forestry - Detmer, W. (Wilhelm), 1850 -1930 (S. Sonnenschein, 1898)

Le préhistorique antiquité de l'homme - Mortillet, Gabriel de, 1821 -1898 (C. Reinwald, 1883)

Price 1951 list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1951)

Price 1952 list : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1952)

Price catalogue : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1916)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1903)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1905)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1906)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1907)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1908)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1909)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1919)

Price list. No. 9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Swain Nelson and Sons Co, 1920)

Price list - Elm City Nursery Co. (Elm City Nursery Co, 1918)

Price list, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Princeton Nurseries, 1934)

Price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1938)

Price list, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1940)

Price list, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Outpost Nurseries, 1944)

Price list, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1949)

Price list, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John M. Eisler Nurseries, 1950)

Price list 1953 : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1953)

Price list 1954 : evergreens, shade trees, flowering shrubs, hedges, fruit trees, roses, vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Eisler Nurseries, 1954)

Price list. choice trees, evergreens, shrubs, vines, roses, etc. 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Elm City Nursery Co, 1919)

Price list. fall 1925-spring 1926. No. 125 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1925)

Price list : fall 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott Nursery Company, 1928)

Price list : fall, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Westcott Nursery Company, 1929)

Price list no. 1, a distinctive selection of quality nursery stock, plants, seeds and garden supplies. Garden Store - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase-Pitkin Nurseries, Incorporated, 1942)

Price list, no. 124 : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1924)

Price list, No. 126 : fall 1926-spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz Sons & Co, 1926)

Price list no. 3 : a distinctive selection of quality nursery stock, plants, seeds and garden supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chase-Pitkin Nurseries, Incorporated, 1943)

Price list of trees, flowering shrubs, evergreens, perennials, alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jerry Brookins & Son, 1930)

Price list : Towson Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1938)

Price list : Towson Nurseries, Inc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Towson Nurseries, 1942)

Princeton nurseries : retail price list, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Flemer's Sons], 1938)

Prirodoslovna istraživanja - Jugoslavenska akademija znanosti i umjetnosti. (1916)

Proceedings and Transactions of the Croydon Microscopical & Natural History Club - Croydon Microscopical; Natural History Club. (1889)

Proceedings and transactions of the Natural History Society of Glasgow - Natural History Society of Glasgow. (The Society, 1889)

Proceedings and transactions of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (The Society, 1947)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1881)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1987)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1967)

Proceedings of the Royal Society of London. Series B, Containing papers of a Biological character - Royal Society (Great Britain) (Printed for the Royal Society and sold by Harrison & Sons, 1911)

Proceedings of the section of sciences - Koninklijke Akademie van Wetenschappen (Netherlands) (Johannes Müller, 1904)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1914)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1888)

Procès-verbaux - Société Linnéenne de Bordeaux. (1901)

Prodrome de la flore Belge - De Wildeman, Emile 1866 -1947 (Alfred Castaigne, 1898)

Prodrome de la flore belge - Wildeman, E. de (Emile), 1866 -1947 (A. Castaigne, 1898)

Prodrome de la flore des environs d'Anvers et d'une partie de la Campine - Société Encyclographique Des Sciences Médicales (1841)

Prodrome de la flore du Grand-Duché de Luxembourg - Koltz, J. P. J. (Jean Pierre Joseph), 1827 -1907 (L. Schamburger, 1873)

Prodromul florei române; sau, Enumeratiunea plantelor pana asta-di cunoscute in Moldova si Valachia - Brândză, D. (Dimitrie), 1847 -1895 (Tip. Academiei Romane, 1879)

Prodromus der Flora der preussischen Rheinlande : erste Abtheilung, Phanerogamen ... - Wirtgen, Philipp Wilhelm, 1806 -1870 (Henry & Cohen, 1842)

Prodromus der Flora von Böhmen. Enthaltend die Beschreibungen und Verbreitungsangaben der wildwachsenden und im Freien kultivirten Gefässpflanzen des Königreiches ... - Celakovský, Ladislav Josef, 1834 -1902 (Selbstverlag des Comité's, 1867)

Prodromus einer Flora des Kronlandes Salzburg und dessen angränzenden Ländertheilen ... - Hinterhuber, Julius, 1810 -1880 (Druck der Oberer'schen Buchdr, 1851)

Prodromus florae argentoratensis - Spielmann, Jacob Reinbold, 1722 -1783 (Apud J.G. Bauerum, 1766)

Prodromus florae batavae; nieuwe lijst der Nederlandsche phanerogamen en vaatkryptogamen - Nederlandsche Botanische Vereeniging (F.E. Macdonald, 1901)

Prodromus florae Comitatus Nitriensis : sistens plantas phanerogamicas et cryptogamicas vasculares in Comitatu Nitriensi hucusque observatas - Knapp, Josef Armin, 1843 -1899 (Dispendiis auctoris, 1865)

Prodromus florae hispanicae, seu synopsis methodica omnium plantarum in Hispania - Willkomm, Moritz, 1821 -1895 (E. Schweizerbart, 1880)

Production et fixation des variétés dans les végétaux - Carrière, E.-A. (Elie-Abel), 1818 -1896 (Libraire agricole de la Maison Rustiane, 1865)

Prof. dr. Thom©♭'s Flora von Deutschland, ©sterreich und der Schweiz in wort und bild f©ơr schule und haus - Thomé, Otto W. (Otto Wilhelm), 1840 -1925 (F. E. K©œhler, 1886)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1888)

Prof. dr. Thomé's Flora von Deutschland, Österreich und der Schweiz, in wort und bild, für schule und haus ... mit ... - Migula, W. (Walter), 1863 -1938 (1905)