XX 



EXPLANATIONS 



SWEET. Robert Sweet, 1783-1835, author of many well- 

 known works, as "Geraniacesc," "British Flower Gar- 

 den." 



SWINGLE. Walter T. Swingle, United States Depart- 

 ment of Agriculture, Washington. 



TAUSCH. Ignaz Friedrich Tauseh. Died 1848. Austria. 



TENOBE. Michele Tenore, 1780-1861. Italy. 



THORE. Jean There, 1762-1823, physician at Dax. 



THUNB. Carl Peter Thunberg, 1743-1822, wrote "Flora 

 Japonica" (1784). Sweden. 



TOD. Augustino Todaro, director of the botanic gardens 

 at Palermo. 1818-1892. 



TORR. John Torrey, 1796-1873. New York. 



TRAUTV. Ernst Rudolph von Trautvetter. 



TREL. William Trelease, professor of botany, Univer- 

 sity of Illinois. 



TUCKM. Edward Tuckerman, 1817-1886. Massachusetts. 



TURCZ. Nicolaus Turczaninow. Died 1864. 



UNDERW. Prof. Lucien M. Underwood, Columbia Uni- 

 versity, New York, N. Y., has written much on ferns, 

 etc. 



URBAN. Ignatius Urban, of the Kongl. Bot. Garten, near 

 Berlin, writer on Brazilian and West Indian plants. 



VAHL. Martin Vahl, 1749-1804. Denmark. 



VAN HOUTTE. Louis Van Houtte, 1810-1876, founder 

 and publisher of Flore des Serres. 



VEITCH. John Gould Veitch, 1839-1867, and successors, 

 horticulturists at Chelsea, England. 



VENT. Etienne Pierre Ventenat, 1757-1808. France. 



VERL. B. V'erlot, contributor to Revue Horticole. 



VERSCH. Ambroise Verschaffelt, 1825-1886, founder and 

 publisher of L'lllustration Horticole at Ghent, Belgium. 



VILL. Dominique Villars, 1745-1814. France. 



VILM. Several generations of the family of Vilmorin, 

 Paris, seedsmen and authors of many books and 

 memoirs on botany and horticulture. Pierre Philippe 

 Andr6 Leveque de Vilmorin, 1746-1804. Pierre Vil- 

 morin, 1816-1860. Henry L. de Vilmorin, died 1899. 



Voss. A. Voss, author of botanical part of Vilmorin's 



Blumengartnerei. 



WAUL. Georg Wahlenberg, 1781-1851. Sweden. 

 WALDST. Franz Adam, Graf von Waldstein, 1759-1823. 



Axistria. 

 WALL. Nathanael Wallich, born 1786, Copenhagen, died 



1854 London. Wrote on plants of India and Asia. 

 WALP. Wilhelm Gerhard Walpers, 1816-1853. 

 WALT. Thomas Walter, about 1740-1788, author of 



"Flora Caroliniana." South Carolina. 

 WANG. Friedrich Adam Julius von Wangenheim, 1747- 



1800. Germany. 

 WANGN. Walter Wangerin, monographer of Cornacese. 



Germany. 



WARSCZ. Joseph Warscewicz, 1812-1866. 

 WATS. Sereno Watson, 1826-1892. Harvard University. 

 WEB. Friedrich Weber, 1781-1823. Germany. 

 WEDD. H. A. Weddell, wrote for De Candolle's "Pro- 



dromus," vol. 16, etc. 

 WELW. Friedrich Welwitsch, 1806-1872. 

 WENDL. Hermann Wendland, Director Royal Botanic 



Garden at Herrenhausen, one of the chief writers on 



palms. 

 WIGHT. Robert Wight, writer on Indian plants. 1796- 



1872. 



WILLD. Karl Ludwig Willdenow, 1765-1812. Germany. 

 WILSON. Ernest H. Wilson, collector of Chinese plants. 

 WITH., WITHER. William Withering, 1741-1799. Eng- 

 land. 

 WITTM. Max Karl Ludwig Wittmack, editor of Gar- 



tenflora. Professor at Berlin. 

 WOOD. Alphonso Wood, 1810-1881. Of his "Class-Book 



of Botany," 100,000 copies have been sold in 



America. 

 ZABEL. Hermann Zabel, writer on woody plants, 1832- 



1912. Germany. 

 Zccc. Joseph Gerhard Zuccarini, 1797-1848, professor 



at Munich. 



