The story of plant life in the British Isles; types of the common natural orders - Horwood, A. R. (Arthur Reginald), 1879 -1937 (J. & A. Churchill, 1914)

Strasburger's Text-book of botany - Strasburger, Eduard, 1844 -1912 (Macmillan, 1921)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1872)

Structural and systematic botany: being an arrangement of plants, forming a basis for the study of botany, either on the Linnaean or natural systems - Smith, Edward, 1818? -1874 (C. Griffin, 1855)

Structural botany : or, organography on the basis of morphology : to which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (Macmillan and Co, 1879)

Structural botany, or, Organography on the basis of morphology. To which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (American Book Compnay, 1907)

Structural botany, or Organography on the basis of morphology. To which is added the principles of taxonomy and phytography, and a glossary of botanical terms - Gray, Asa, 1810 -1888 (Ivison, Blakeman, Taylor, and company, 1879)

The structure of economic plants - Hayward, Herman Eliot, 1892 - (Macmillan, 1938)

The student's flora of the British Islands - Hooker, Joseph Dalton, 1817 -1911 (Macmillan and Co, 1870)

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

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (Swan Sonnenschein, 1895)

A student's text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co, 1896)

A students' text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein, 1895)

Studies of the Essex flora: an enumeration of all plants found growing naturally within the limits of Lynn, Mass - Tracy, Cyrus M. (Cyrus Mason), 1824 -1891 (The Nichols press, 1892)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1912)

The study of plants; an introduction to botany and plant ecology - Woodhead, Thomas William (Clarendon Press, 1915)

A study of the life history and ecology of the round-tailed muskrat (Neofiber alleni True) in North Central Florida - Birkenholz, Dale Eugene, 1931 - (1962)

Stuttgarter Beiträge zur Naturkunde. Serie A, Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1990)

Substitute (1856)

Suggested guide for chemical control of weeds - Danielson, L. L. (Loran Leroy), 1913 - (Agricultural Research Service, U.S. Dept. of Agriculture, 1961)

Suggested guide for chemical control of weeds : ARS special report - United States. Agricultural Research Service. (U.S. G.P.O.], 1958)

Sulla flora della provincia Senese e Maremma toscana - Tassi, Attilio, 1820 -1905 (Tip. nel R. Instit. dei Sordo-Muti di L. Lazzeri, 1862)

Sumatra, zijne plantenwereld en hare voortbrengselen - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C.G. van der Post, 1862)

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, 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 the prevalence of plant diseases in the Dominion of Canada, 1920-1924 - Canada. Department of Agriculture. (F.A. Acland, Printer to the King's Most Excellent Majesty, 1926)

Summer bargain list : July 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Everglades Aquatic Nurseries, 1940)

Summer wild flowers - Millspaugh, Charles Frederick, 1854 -1923 (Field Museum of Natural History, 1924)

Die Sumpf- und Wasserpflanzen : ihre Beschreibung, Kultur und Verwendung - Mönkemeyer, Wilhelm, 1862 -1938 (Paul Parey, 1897)

Supplément à la flore du Jura suisse et français - Godet, Ch.-H. (Charles Henri), 1797 -1879 (Ch.-H. Godet, 1869)

Supplement and revised price list of aquatics : for 1893 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E. D. Sturtevant, 1893)

Supplement and revised price list of aquatics for 1894 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.D. Sturtevant, 1894)

Supplément au dictionnaire de l'Académie, ainsi qu'a la plupart des autres lexiques français, contenant les termes appropriés aux arts et aux sciences et les mots nouveaux consacrés par l'usage (Masson, 1827)

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 F. Hamilton Davey's Flora of Cornwall - Thurston, Edgar, 1855 -1935 (Oscar Blackford, Royal Printeries, 1922)

Supplement to the Catalogue of Arkansas plants - Buchholz, J. T. (John Theodore), 1888 -1951 (Academy of Science of St. Louis], 1926)

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)

Supplementum plantarum Systematis vegetabilium editionis decimae tertiae, Generum plantarum editionis sextae, et Specierum plantarum editionis secunda - Orphanotrophei. (Impensis Orphanotrophei, 1781)

A survey and record of Woolwich and West Kent containing descriptions and records, brought up-to-date, of geology, botany, zoology, archaeology and industries of the district, with a brief photographic commentary, in commemoration of the 12th Annual Congress, 1907, of the South Eastern Union of Scientific Societies - Grinling, C. H. (Labour Representation Print. Co, 1909)

A survey of Canadian plants in relation to their environment - Adams, John, 1872 -1950 (Canada Dept. of Agriculture, 1927)

A survey of extent and cost of weed control and specific weed problems - United States. Agricultural Research Service. (U.S. Dept. of Agriculture, Agricultural Research Service, 1965)

Survey of the ecologically significant natural areas of the Chesapeake Bay Region - Smithsonian Institution. Center for Natural Areas. (Smithsonian Center for Natural Areas, Ecology Program, Smithsonian Institution, 1973)

Das Süsswasser-Aquarium : Geschichte, Flora und Fauna des Süsswasser-Aquariums, seine Anlage und Pflege - A.W. Hahn's Erben (Firm), (Verlag von Fritz Pfenningstorff, 1898)

Die Süsswasserfauna Deutschlands. Eine Exkursionsfauna - Brauer, August, 1863 -1917 (G. Fischer, 1909)

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

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1907)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1910)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1912)

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

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1915)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1916)

Svensk botanisk tidskrift - Svenska botaniska föreningen. (Svenska botaniska föreningen [etc.], 1920)

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

Svensk fanerogamflora - Lindman, C. A. M. (Carl Axel Magnus), 1856 -1928 (P.A. Norstedt, 1918)

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

Svenska foglarna - Åkerlund, Peter, 1835 -1871 (Tryckt hos J. & A. Riis, 1885)

Svenska Linnésällskapets årsskrift = Yearbook of the Swedish Linnaeus Society - Svenska Linnésällskapet. (Almqvist & Wiksells, 1921)

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 : 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 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 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 Phanerogamenkunde - Eichler, August Wilhelm, 1839 -1887 (Schwers'sche Buchh, 1876)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1883)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1884)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1886)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1788)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1892)

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, 1899)

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

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1912)

Sylloge fungorum omnium hucusque cognitorum - Saccardo, P. A. (Pier Andrea), 1845 -1920 (sumptibus auctoris, 1925)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1977)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1980)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1985)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1991)

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, 1904)

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

Symbolae mycologicae. Beiträge zur Kenntniss der Rheinischen Pilze - Fuckel, Leopold (J. Niedner, 1869)

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)

A synonymic catalogue of Orthoptera - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees [by Taylor and Francis], 1910)

A synonymic list of British Lepidoptera, including the names and synonymes of all these insects, excepting the family Tineidae. (Printed on one side only, so as to be used for labels) - Doubleday, Henry (J. Van Voorst, 1850)

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 mitteleuropaïschen flora - Graebner, Paul, 1871 -1933 (W. Engelmann, 1896)