328 



Upas, 262. 



Uredineae, 32, 36, 40, 43, 46. 

 Uredo, 234. 

 Urocystis , 38 , 44 . 

 Uromyces, 47, 234. 

 Uropetaium , 126. 

 Urticaceae , 24 , 175 . 

 Ustilagineae , 36 , 44 , 47 . 

 Ustilago, 36, 38, 39, 40, 42, 47, 

 Utricularia, 20, 95, 131, 156 

 182, 280. 



Vaccinium ,150. 



Valerianeae , 25, 176. 



Valerianella, 25, 176. 



Vallisneria, 14, 85, 91, 119. 



Vanilla, 82, 266. 



Vasconcellosia , 162 . 



Vasconella, 162. 



Vaucheria , 238 . 



Vellosiaceae , 135. 



Veratrura , 65 . 



Verbascum ,173. 



Verbena , 236 . 



Verbenaceae ,176. 



Veronica, 173, 190. 



Verschaffeltia, 135. 



Viburnum, 141, 225. 



Vicia, 80, 162, 163. 



Villarsia , 35 . 



Vinca, 241, 244. 



Viola, 100, 170, 176, 183, 235 



Violaceae, 176. 



Viscum, 21, 157, 227, 228. 



Vitaceae , 176. 



Vitex, 176. 



Vitis, 21 , 64, 66, 79, 176, 208, 

 229, 230, 233, 234, 236, 237, 

 239, 269, 271, 274, 275, 278, 

 280, 286, 287. 



Vochysiaceae , 210. 



Volvox, 27, 28. 



Wachendorfia , 119. 

 Weieelia, 141. 

 WeUingtonia , 289. 

 Welwitschia, 112. 

 Wistaria, 110, 162, 163. 

 Wrangelieae , 26 . 



Xanthiura, 144, 186. 

 Xanthoceras, 134, 172. 

 Xanthorrhoea, 136. 

 Xerophyta , 135. 

 Xiphion, 120, 121. 

 Xylaria, 44. 

 Xylopia, 136, 205. 



Yucca, 98, 122, 123, 124, 126. 



Zamia , 6 , 241 . 

 Zanardiuia , 31 . 

 Zanichellia, 127. 

 Zea, 64, 65, 68, 232, 

 Zephyranthus ,114. 

 Zignemaceae , 28 . 

 Zoopsis, 104. 

 Zygodon, 105, 106. 

 Zygomycetes , 34 . 



