The spring grain-aphis or "green bug." - Webster, F. M. (Francis Marion), 1849 -1916 (Govt. print. off, 1912)

Spring planting guide, 1946 : garden, field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson, 1946)

Spring planting guide : garden, field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson, 1950)

Spring planting guide : garden field and flower seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson, 1945)

Spring planting guide : garden, flower and field seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson, 1949)

Spring planting guide : garden, flower and field seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Robert Nicholson, 1948)

St. Helena : a physical, historical, and topographical description of the island, including it geology, fauna, flora and meteorology - Melliss, Alice Elizabeth Louisa (L. Reeve & Co, 1875)

Stahl's grosses illustriertes Kräuterbuch; ausführliche Beschreibung aller auf den Bergen und in den Thälern, auf den Wiesen und in den Wäldern wild wachsenden Pflanzen und Kräuter ... (Stahl, 1900)

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)

State noxious-weed seed requirements recognized in the administration of the Federal seed act - United States. Consumer; Marketing Service. Grain Division. (U.S. Dept. of Agriculture, 1966)

State noxious-weed seed requirements recognized in the administration of the Federal Seed Act - United States. Agricultural Marketing Service. Livestock; Seed Division. Seed Branch. (U.S. Dept. of Agriculture, Agricultural Marketing Service, Livestock and Seed Division, Seed Branch, 1990)

Studies in plant and organic chemistry, and literary papers - Dole, Nathan Haskell, 1852 -1935 (The Riverside Press, 1907)

Studies in plant and organic chemistry, and literary papers - Michael, Helen Abbott, 1857 -1904 (The Riverside Press, 1907)

Studies of plant life in Canada : wild flowers, flowering shrubs, and grasses - Traill, Catherine Parr Strickland, 1802 -1899 (W. Briggs, 1906)

Studies on the digestibility of the grain sorghums - Langworthy, C. F. (Charles Ford), 1864 -1932 (U.S. Dept. of Agriculture, 1916)

Sturtevant's notes on edible plants - Hedrick, U. P. (J.B. Lyon, 1919)

The subtropical garden, or, Beauty of form in the flower garden - Robinson, W. (William), 1838 -1935 (J. Murray, 1879)

Sugar and sugar making - McNair, James Birtley, 1889 -1967 (Field Museum of Natural History, 1927)

Suggested guide for chemical control of weeds - United States. Agricultural Research Service. (Agricultural Research Service, United States Department of Agriculture, 1956)

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)

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

Summary of re-identifications - January through April 1961 : Change No. 4 - United States. Bureau of Plant Industry, (New Crops Research Branch, Plant Industry Station, 1960)

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 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 insect pests and plant diseases of selected food crops in Mexico, Central America, and Panama - Crandall, Bowen Sinclair, 1909 - (International Agricultural Development Service, U.S. Dept. of Agriculture, 1967)

Survival of food crops and livestock in the event of nuclear war Proceedings of a symposium held at Brookhaven National Laboratory, Upton, Long Island, New York, Sept. 15-18, 1970 - Brookhaven National Laboratory. (1971)

The Sydney magazine of science and art (Waugh, 1858)

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)

Sylloge florae congolanae [Phanerogamae] - Durand, Th. (Théophile), 1855 -1912 (Maison A. de Boeck, 1909)

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)

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

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, 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)

Symposium on Mutation and Plant Breeding; [proceedings] (National Academy of Sciences-National Research Council, 1961)

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

Synopsis of the flora of Colorado - Coulter, John Merle, 1851 -1928 (Govt. print. off, 1874)

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 glumacearum - Steudel, Ernst Gottlieb, 1783 -1856 (J. B. Metzler, 1855)

Synopsis plantarum glumacearum - Steudel, Ernst Gottlieb, 1783 -1856 (J.B. Metzler, 1855)