Wolff. Hermann Wolff. Wrote on Asiatic Umbelliferae, 1919-1933. Germany. 



Woynar. Heinrich Woynar, 1865-1917. Austria. 



Wright, C.H. (C.H. Wright). Charles Henry Wright, 1864- . England. 



Yabe. Yoshitada Yabe. Wrote on botany of eastern Asia, 1900-1927. Japan. 

 Young. Maurice Young. Nurseryman, about 1872. Great Britain. 



Zenker. Jonathan Carl Zenker, 1799-1837. Germany. 



Zoll. Heinrich Zollinger, 1818?-1859. Switzerland and Java. 



Zucc. Joseph Gerhard Zuccarini, 1797-1848. Germany. 



553 



