A treatise on the British freshwater Algae - West, G. S. (George Stephen), 1876 -1919 (University Press, 1904)

Trees; a handbook of forest-botany for the woodlands and the laboratory - Groom, Percy, 1865 -1931 (At the University press, 1904)

The trees, shrubs, and plants of Virgil - Sargeaunt, John, 1857 -1922 (B. H. Blackwell, 1920)

Der Tropenpflanzer; zeitschrift für tropische landwirtschaft (1918)

Der Tropenpflanzer; zeitschrift für tropische landwirtschaft (1919)

Tropical agriculturist and magazine of the Ceylon Agricultural Society - Ceylon Agricultural Society. (1891)

Das tropische Parenchym. A. Assimilationsgewebe - Meyer, Fritz Jürgen, 1891 - (G. Borntraeger, 1923)

Truck-farming at the South. A guide to the raising of vegetables for northern markets - Oemler, A. (Orange Judd, 1888)

Truck-farming at the South : a guide to the raising of vegetables for northern markets - Oemler, A. (Orange Judd, 1883)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1880)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1883)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1907)

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1990)

The twenty fourth annual catalogue of the Perry Seed Store : seeds, bulbs, hardware, implements, drain tile &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Perry Seed Store, 1894)

The twenty third annual catalogue of flower, field and garden seeds, implements and drain tile, &c - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. D. Perry & Co, 1893)

über das Winden der Pflanzen - Palm, Ludwig Heinrich. (C. Richter, 1827)

über den Bau und das Winden der Ranken und Schlingpflanzen - Mohl, Hugo von, 1805 -1872 (Heinrich Laupp, 1827)

über den Begriff der Pflanzenart und seine Anwendung - Bernhardi, Johann Jacob, 1774 -1850 (Friedrich Wilhelm Otto, 1834)

Über Juliania, eine Terebinthaceen-Gattung mit Cupula, und die wahren Stammeltern der Kätzchenblütler. Neue Beiträge zur Stammesgeschichte der Dicotyledonen - Hallier, Hans, 1868 -1932 (Heinrich, 1908)

Ueber den Begriff der Pflanzenart und seine Anwendung - Bernhardi, Johann Jacob, 1774 -1850 (Otto, 1834)

Ueber den Pollen - Fritzsche, Carl Julius, 1808 -1871 (Kais. Academie der Wissenschaften, 1837)

Ueber die Funktion der oberflaechlichen Schleimbildungen im Pflanzenreiche - Hunger, Wilhelm. (Buchhandlung und Druckerei Vormals E.J. Brill, 1899)

Ueber die Wirkungen des Arseniks auf Pflanzen im Zusammenhange mit Physiologie, Landwirthschaft und Medicinalpolizei - Jäger, Georg Friedrich von, 1785 -1866 (E. Schweizerbart, 1864)

Uebersicht der Arbeiten und Veranderungen der Schlesischen Gesellschaft fur Vaterlandische Kultur - Schlesische Gesellschaft für Vaterländische Kultur. (1826)

Uebersicht der Flora von Augsburg - Caflisch, J. Friedrich (Johann Friedrich), 1817 -1882 (Jenisch & Stage, 1850)

Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwickelungsstufen : ein Versuch - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Carl Cnobloch, 1828)

Ulyssis Aldrovandi ... Serpentum, et draconum historiæ libri duo - Aldrovandi, Ulisse, 1522 -1605 (apud C. Ferronium, 1640)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1845)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1863)

Unity in variety, as deduced from the vegetable kingdom : being an attempt at developing that oneness which is discoverable in the habits, mode of growth, and principle of construction of all plants - Dresser, Christopher. (James S. Virtue, 1859)

The Universal herbal; or, Botanical, medical, and agricultural dictionary; containing an account of all the known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied, whether as food, as medicine, or in the arts and manufactures, with the best methods of propagation, and the most recent agricultural improvements ... - Green, Thomas. (Caxton Press, 1824)

The universal herbal : or botanical, medical and agricultural dictionary : containing an account of all known plants in the world, arranged according to the Linnean system. Specifying the uses to which they are or may be applied - Green, Thomas. (Printed at the Caxton Press by H. Fisher, 1816)

University of California publications in agricultural sciences - University of California (1868-1952) (University of California Press, 1912)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1902)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1956)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1956)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1966)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1969)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1978)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1989)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1987)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1986)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1972)

The University of Washington Arboretum bulletin - Arboretum Foundation (Seattle, Wash.) (University of Washington Arboretum Foundation, 1973)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1907)

A university text-book of botany (Macmillan, 1910)

The unknown horn of Africa : an exploration from Berbera to the Leopard River - James, F. L. (Frank Linsly), 1851 -1890 (G. Philip, 1890)

Unter den naturvölkern Zentral-Brasiliens. Reiseschilderung und ergebnisse der zweiten Schingú-expedition, 1887-1888 - Steinen, Karl von den, 1855 -1929 (D. Reimer (Hoefer & Vohsen), 1894)

Unter den tropen; wanderungen durch Venezuela, am Orinoco, durch Britisch Guyana und am Amazonenstrome in den jahren 1849-1868 - Appun, Carl Ferdinand, 1820 -1872 (1871)

Untersuchungen aus dem Botanischen Institut zu Tübingen - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Untersuchungen über chlorophyll; methoden und ergebnisse - Willstätter, Richard, 1872 -1942 (J. Springer, 1913)

Untersuchungen über die assimilation der kohlensäure - Willstätter, Richard, 1872 -1942 (J. Springer, 1918)

Untersuchungen über die Bedeutung der Nektarien in den Blumen - Kurr, Johann Gottlob von. (Henneschen Buchhandlung, 1833)

Untersuchungen Über die Familie der Conjugaten (Zygnemeen und Desmidieen) - Bary, A. de (Anton), 1831 -1888 (A. Förstnersche buchhandlung, 1858)

Untersuchungen über die mechanischen Ursachen der Zellstreckung - Vries, Hugo de, 1848 -1935 (1877)

Untersuchungen über lichtwirkung und chlorophyll function in der pflanzen - Pringsheim, N. (Nathanael), 1823 -1894 (W. Engelmann, 1881)

Untersuchungen zur experimentellen anatomie und pathologie des pflanzenkörpers - Vöchting, Hermann, 1847 -1917 (H. Laupp, 1908)

Der Ursprung der Culturpflanzen - Candolle, Alphonse de, 1806 -1893 (F. A. Brockhaus, 1884)

The U.S. Naval Astronomical Expedition to the southern hemisphere, during the years 1849-'50-'51-'52 - Gilliss, J. M. (James Melville), 1811 -1865 (A. O. P. Nicholson, printer, 1855)

The useful family-herbal : or, an account of all those English plants which are remarkable for their virtues, and of the drugs which are produced by vegetables of other countries; with their descriptions and their uses, as proved by experience ... - Hill, John, 1714? -1775 (printed for A, Millar, W. Law, and R. Cater; and for Wilson and Spence, York, 1789)

The useful family herbal, or, An account of all those English plants, which are remarkable for their virtues : and of the drugs, which are produced by vegetables of other countries : with their descriptions, and their uses, as proved by experience : illustrated with figures of the most useful English plants : with an introduction ... and an appendix containing a proposal for the farther seeking into the virtues of English herbs, and the manner of doing it with ease and safety : the whole intended for the use of families, and for the instruction of those who are desirous of relieving the distressed sick - Hill, John, 1714? -1775 (Printed for W. Johnston ... and, 1755)

The useful family herbal. Or, An account of all those English plants, which are remarkable for their virtues: and of the drugs, which are produced by vegetables of other countries. With their descriptions, and their uses, as proved by experience ... With an introduction ... and an appendix; containing, a proposal for the farther seeking into the virtues of English herbs, and the manner of doing it with ease and safety. The whole intended for the use of families, and for the instruction of those who are desirous of relieving the distressed sick - Hill, John, 1714? -1775 (Printed for W. Johnston and W. Owen, 1755)

Useful plants of Nyasaland. Edited by P.J. Greenway - Greenway, Percy James, 1897 - (Printed and published by the Govt. Printer)

The useful plants of the island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)

The useful plants of the Island of Guam; with an introductory account of the physical features and natural history of the island, of the character and history of its people, and of their agriculture - Safford, William Edwin, 1859 -1926 (Govt. Print. Off, 1905)