574 



INDEX TO THE ILLU8TBATI0N8. 



TARAXACtTM DeNS-LEONIS, 513 

 Tax US baceata, S9o 

 Tetragonolnbup, SSI 

 Theobroma Cacao, 545 

 Thistle, 98 

 Tilletia caries, 3il 

 Tradeacantia Virpinica, 12 

 Trapa natana, 16u 

 Trichomanps, 377 

 Tsuga Canadensis. 153 

 Tuber melanosporum, 385 



■Ulya, 334 

 Uncinula adunca, 281 

 Urtica macropliylla, 61 

 Urtica urens, 491 

 Usnea barbata, 303, 304, 308 

 Ustilago antlierarum, 320 

 XJstilago Maydis, 320 



VACciNinia Mybtillus, 511 



Vanilla planifolia, 471 



Vauclieria sessilis, 47, 351, 252, 



353 

 Vibrio Eugula, 213 

 Vicla faba, 38, 69, 474 

 Viola tricolor, 20, 432, 433 

 Virginia Creeper, 154 

 Vitis, 79, 80 

 Vitis vinifera, 538 

 Volvox globator, 244 



Waixfi.ower, 552 

 WelwitBcliia mirabilis, 60, 414 



Yeast Plant, 39, 214 



Zea Mais, 113, 154, 160, 451, 453 



