Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1853)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1879)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1886)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1909)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

Some new and important plant disease occurrences and developments in the United States in 1952 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1953)

Some new and important plant disease occurrences and developments in the United States in 1954 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1955)

Some new and important plant disease occurrences and developments in the United States in 1953 - United States. Plant Disease Epidemics; Identification Section. (Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1954)

Sources of the Ohio flora - Duvel, J. W. T. (1899)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1921)

Southwestern rare and endangered plants : proceedings of the second conference : September 11-14, 1995, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1996)

Special price list of Dickmann-Dusard Seed Co. (formerly Jos. F. Dickmann Seed Co.) garden, field and flower seeds true to name and fresh : implements, fertilizers and poultry supplies of all kinds at reasonable prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dickmann-Dusard Seed Co, 1901)

Special price list of Jos. F. Dickmann Seed Company's garden, field and flower seeds true to name and fresh : implements, fertilizers and poultry supplies of all kinds at reasonable prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. F. Dickmann, 1900)

Special price list of Jos. F. Dickmann Seed Company's garden, field and flower seed : true to name and fresh implements, fertilizers and poultry supplies of all kinds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. F. Dickmann, 1899)

Special price list of Jos F. Dickmann Seed Company's garden, field and flower seed true to name and fresh : implements, fertilizers and poultry supplies of all kinds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jos. F. Dickmann Seed Company, 1898)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum diferentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Linné, Carl von, 1707 -1778 (Junk, 1753)

Species plantarum : exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas - Willdenow, Karl Ludwig, 1765 -1812 (impensis G.C. Nauk, 1804)

Spicilegium florae Lipsicae - Schreber, Johann Christian Daniel, 1739 -1810 (Dykiano, 1771)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1935)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1932)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1937)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1930)

Spisok nasinni︠a︡ dli︠a︡ obminu = Index seminum quae Hortus Botanicus in Kamianetz-Podilskyj pro mutua commutatione offert - Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad. (Kam'ia͡nets͡ʹ-Podilʹsʹkyĭ Botanichniĭ sad, 1931)

Spokane Seed Company's catalog and seed annual for 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1922)

Spokane Seed Company's complete seed annual for 1912 : "Diamond quality" seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1912)

Spokane Seed Company's complete seed annual for 1917 : "Diamond quality" seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1917)

Spokane Seed Company's complete seed annual for 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1919)

Spokane Seed Company's complete seed annual for 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Co, 1920)

Spokane Seed Company's complete seed annual for 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Spokane Seed Company, 1921)

Spooner's descriptive catalogue of choice selected flower and vegetable seeds, gladiolus, lilies, and other summer-flowering bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Spooner, 1875)

Sprawozdanie Komisyi Fizyograficznej (1909)

Spring 1897 seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1897)

Spring 1922 : Adams seeds for your garden and farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Adams Seed Co, 1922)

Spring catalogue, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.H. Speers and Co, 1932)

Spring catalogue of John Saul's new, rare and beautiful flower and garden seeds grown and imported by John Saul, Washington D.C. 1888 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1888)

Spring catalogue of John Saul's new, rare and beautiful flower and garden seeds, &c. 1885 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1885)

Spring catalogue of John Saul's new, rare and beautiful flower and garden seeds 1886 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John Saul, 1886)

St. Croix's flora - Eggers, H. F. A. Baron von, (Heinrich Franz Alexander), 1844 -1903 (s.n, 1876)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Co.; [etc., etc.], 1916)

The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1919)

Standardized plant names; a catalogue of approved scientific and common names of plants in American commerce - Olmsted, Frederick Law, 1870 -1957 (1923)

Die Standorte und Trivialnamen der Gefässpflanzen der Aargau's - Mühlberg, Fritz, 1840 -1915 (H. R. Sauerländer, 1880)

Stirpium historiae pemptades sex sive libri XXX - Dodoens, Rembert, 1517 -1585 (Ex officina Christophori Plantini, 1583)

The student's flora of the British islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan, 1884)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

The students' flora of New Zealand and the outlying islands - Kirk, Thomas, 1828 -1898 (John Mackay, govt. printer, 1899)

Summa plantarum : quae hactenus innotuerunt methodo Linnaeana per genera et species digesta illustrata descripta - Vitman, Fulgenzio Antonio Maria, ‏ 1728 -1806 (Typis Imper. Monast. s. Ambrosii majoris, 1789)

Summa plantarum :quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. s. Ambrosii majoris, 1791)

Summa plantarum :quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. s. Ambrosii majoris, 1792)

Summa plantarum, quae hactenus innotuerunt methodo Linnaeana per genera et species digesta, illustrata, descripta - Imper. Monast. s. Ambrosii majoris. (Typis Imper. Monast. S. Ambrosii Majoris, 1789)

A summary of comital plant-distribution, additional to that detailed in topographical botany; being an enumeration of the new county records, published by the Botanical Record Club, 1873-1878. To which are added those appearing in the Botanical Exchange Club Reports, 1867-1877 - Lees, Frederic Arnold, 1847 -1921 (Printed by West, Newman, 1878)

Sunset Seed and Plant Co. : 1896 - Sunset Seed; Plant Co. (Sunset Seed and Plant Co, 1896)

Suplemento á la Quinologia, : en el qual se aumentan las especies de quina nuevamente descubiertas en el Perú por don Juan Tafalla, y la quina naranjada de Santa Fé con su estampa. Añadese la respuesta á la memoria de la quinas de Santa Fé, que insertó don Francisco Zea en los Anales de Historia natural, y la satisfacion á los reparos ó dudas del ciudadano Jussieu sobre los géneros del Pródromo de la Flora del Perú y Chile - Pavón, José, 1754 -1840 (En la imprenta de la viuda e hijo de Marín, 1801)

A supplement to Baines' Flora of Yorkshire, with a map : part first, the flowering plants and ferns by John Gilbert Baker : part second, the mosses of the county by John Nowell - Baker, John Gilbert, 1834 -1920 (William Pamplin, 1854)

A supplement to Medical Botany, or, Part the Second : containing plates with descriptions of most of the principal medicinal plants not included in the Materia Medica of the Collegiate Pharmacopoeias of London and Edinburgh; accompanied with a circumstantial detail of their medicinal eefects, and of the diseases in which they have been successfully employed - Woodville, William, 1752 -1805 (Printed and sold for the author by James Phillips, George Yard, Lombard Street, 1794)

A supplement to Medical botany, or, part the second : containing plates with descriptions of most of the principal medicinal plants not included in the Materia Medica of the collegiate pharmacopoeias of London and Edinburgh : accompanied with a circumstantial detail of their medicinal effects, and of the diseases in which they have been successfully employed - Woodville, William, 1752 -1805 (Printed and sold for the author, by James Phillips, 1794)

A supplement to the Pharmacopia, and treatise on pharmacology in general : including not only the drugs and preparations used by practitioners of medicine, but also most of those employed in the chemical arts : together with a collection of the most useful medical formulæ ... - Gray, Samuel Frederick, 1766 -1828 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A supplement to the pharmacopoeia being a treatise on pharmacology in general; including not only the drugs and compounds which are used by practitioners of medicine, but also those which are sold by chemists, druggists, and herbalists, for other purposes; together with a collection of the most useful medical formulæ ; an explanation of the contractions used by physicians and druggists; the medical arrangement of the articles of the London pharmacopeia, with their doses, at one view; a similar list of the indigenous plants of the British islands, which are capable of being used in medicine, &c. ; and also a very copious index, English and Latin, of the various names by which the articles have been known at different periods - Gray, Samuel Frederick, 1766 -1828 (printed for Thomas and George Underwood, 1821)

Supplement zur Flora von Wu¨rttemberg - Lechler, Willibald, 1814 -1856 (E. Schweizerbart'sche Verlagsbuchh, 1844)

Svea Folk-Kalender (1846)

Svensk botanik - Swartz, Olof, 1760 -1818 (Tryckt hos C. Delén, 1802)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1913)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1914)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1917)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1918)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1921)

Svensk flora. Beskrifning öfver Sveriges fanerogamer och ormbunkar - Kindberg, N. C. (Nils Conrad), 1832 -1910 (P.M. Sahlströms bokhandel (H.W. Tullberg), 1877)

Sweet's Hortus britannicus, or A catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1827)

Sweet's Hortus britannicus, or a catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1827)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain;arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus; or, A catalogue of plants, indigenous, or cultivated in the gardens of Great Britain; arranged according to their natural orders, with references to the Linnean class and order to which each genus belongs; the whole brought up to the present time, and contains above 34,000 plants ... - Sweet, Robert, 1783 -1835 (J. Ridgway, 1830)

Sweet's Hortus britannicus : or a catalogue of plants cultivated in the gardens of Great Britain, arranged in natural orders - Sweet, Robert, 1783 -1835 (J. Ridgway, 1826)

Syllabus de Pflanzenfamilien, eine Übersicht über das gesamte Pflanzensystem mit besonderer Berücksichtigung der Medizinalund Nutzpflanzen nebst einer Ubersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1919)

Syllabus der pflanzenfamilien : eine übersicht über das gesamte pflanzensystem mit berücksichtigung der medizinal- und nutzpflanzen, nebst einer übersicht über die florenreiche und florengebiete der erde, über spezielle und medizinisch-pharmazeutische botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1909)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medizinal- und Nutzpflanzen, nebst einer Übersicht über die Florenreiche und Florengebiete der Erde : zum Gebrauch bei Vorlesungen und Studien über spezielle und medizinisch-pharmazeutische Botanik - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1904)

Syllabus der Pflanzenfamilien : eine Übersicht über das gesamte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen nebst einer Übersicht über die Florenreiche und Florengebiete der Erde zum Gebrauch bei Vorlesungen und Studien über specielle und medicinisch-pharmaceutische Botanik - Engler, Adolf, 1844 -1930 (Borntraeger, 1903)

Syllabus der Vorlesungen über specielle und medicinisch-pharmaceutische Botanik. Eine Uebersicht über das gesammte Pflanzensystem mit Berücksichtigung der Medicinal- und Nutzpflanzen - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1892)

Syllabus florae Siculae; seu, Vascularium plantarum Siciliam sponte incolentium enumeratio - Nicotra, Leopoldo, 1846 -1940 (1893)

[Syllabus of lectures on materia medica and therapeutics, delivered in the University of London] - Candolle, Augustin Pyramus de, 1778 -1841 ([John Taylor], 1829)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1897)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1898)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1902)

Symbolae ad floram Argentinam : Zweite Bearbeitung argentinischer Pflanzen nach den auf Befehl der H. Nacional-Regierung der argentinischen Republik durch die Professoren Lorentz und Hieronymus veranstalteten Sammlungen, sowie den im Museum zu Göttingen aufbewarhten Herbarien anderer Naturforscher, besonders den durch Herrn Schickendantz in der Provinz Catamarca gesammelten Pflanzen - Grisebach, A. (August), 1814 -1879 (Dieterich'sche Verlags-Buchhandlung, 1879)

Symbolae ad floram Brasiliae centralis cognoscendam - Warming, Eugenius, 1841 -1924 (Naturhistoriske Forening i Kjöbenhavn, 1877)

Symbolae ad floram Brasiliae centralis cognoscendam - Warming, Eugenius, 1841 -1924 (Naturhistoriske Forening i Kjöbenhavn, 1872)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1903)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1898)

Symbolae Antillanae,seu, Fundamenta florae Indiae Occidentalis - Urban, Ignaz, 1848 -1931 (Fratres Borntraeger ;Paul Klincksieck, 1920)

Symbolae sinicae :botanische Ergebnisse der Expedition der Akademie der Wissenschaften in Wein nach Südwest-China, 1914-1918 - Handel-Mazzetti, Heinrich, Freiherr von, 1882 -1940 (J. Springer, 1936)

Synonymia botanica locupletissima generum, sectionum vel subgenerum ad finem anni 1858 promulgatorum : In forma conspectus systematici totius regni vegetabilis schemati Endlicheriano adaptati - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischer, 1870)

Synopsis der deutschen und schweizer Flora - Koch, Wilhelm Daniel Joseph, 1771 -1849 (O. R. Reisland, 1892)

Synopsis der deutschen und schweizer Flora, enthaltend die genauer bekannten phanerogamischen Gewächse, so wie die cryptogamischen Gefäss-Pflanzen, welche in Deutschland, der Schweiz, in Preussen und Istrien wild wachsen und derjenigen ... nach dem DeCandollischen System geordnet, mit einer vorangehenden Uebersicht der Gattungen nach den Classen und Ordnungen des Linneischen Systemes - Koch, Wilhelm Daniel Joseph, 1771 -1849 (Gebhardt & Reisland, 1846)

Synopsis der Lepidopteren-Fauna Böhmens. 1. Abth.: Papilioniden, S]hingiden, Bombyciden, Noctuiden - Nickerl, Franz Anton, 1813 -1871 (F. Erhlich, 1850)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur : secundum systema Candolleanum digestas, praemissa generum dispositione secundum classes et ordines systematis Linnaeani conscripta - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1837)

Synopsis florae Germanicae et Helveticae : exhibens stirpes phanerogamas rite cognitas, quae in Germania, Helvetia, Borussia et Istria sponte crescunt atque in hominum usum copiosius coluntur Index generum, specierum et synonymorum - Koch, Wilhelm Daniel Joseph, 1771 -1849 (F. Wilmans, 1838)

Synopsis generum compositarum earumque dispositionis novae tentamen, monographis multarum Capensium interjectis - Lessing, Christian Friedrich, 1809 -1862 (sumtibus Dunckeri et Humblotii, 1832)

Synopsis methodica stirpium Britannicarum : in qua tum notae generum characteristicae traduntur, tum species singulae breviter describuntur: ducentae quinquaginta plus minus novae species partim suis locis inseruntur, partim in appendice seorsim exhibentur : cum indice & virium epitome - Ray, John, 1627 -1705 (Prostant apud Sam. Smith ad insignia principis in coemeterio D. Pauli, 1690)

Synopsis mycologiae Venetae secundum matrices - Cuboni, Giuseppe, 1852 -1920 (Typis Seminarii, 1886)

A synopsis of the flora of the western states - Riddell, John Leonard, 1807 -1867 (E. Deming, 1835)

Synopsis plantarum florae classicae, oder: Uebersichtliche darstellung der in den klassischen schriften der Griechen und Ro¨mer vorkommenden pflanzen, nach autoptischer untersuchung im florengebiete, entworfen und nach synonymen geordnet - Fraas, C., 1810 -1875 (E. A. Fleischmann, 1845)

Synopsis plantarum :seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1847)

Synopsis plantarum; seu, Enumeratio systematica plantarum plerumque adhuc cognitarum cum differentiis specificis et synonymis selectis ad modum Persoonii elaborata - Dietrich, David Nathanael Friedrich, 1800 -1888 (B. F. Voigtii, 1839)

Synopsis plantarum vascularium Montis Pollini - Terracciano, Nicola. (Tipografia della R. Accademia dei Lincei, 1890)

Synopsis plantarum,seu Enchiridium botanicum, complectens enumerationem systematicam specierum hucusque cognitarum - Persoon, C. H. (Christiaan Hendrik), 1755 -1837 (C.F. Cramerum, 1807)