INDEX. 281 
Vernonia, 3, 4 
Vernoniacesx, observations on the tribe, 3 
Veronica, 
Vicia, 59, 80, 203, 205 
Vine disease, Californian, 24 
Walnut, California, 242 
ington, note on Sukodorf’s catalogue of plants of, 27 
Willugbeya, 44 
Wyethia, 90, 174 
Xanthium, 60, 103, 144. 243 
Xanthorrhiza, 
Yerba del Golfe, 232 
Yerba de Vibora, 232 
Yucca, 108 
Zauschneria, 86, 172 
Zoospores in Spirogyra condensata, 128 
Zygadenus, 97, 179 
