356 



INDEX. 



Vine-rapes, 336 

 Vines, 337 

 Violacece, 327 

 Violets, 288, 327 

 Virgin's bower, 364 

 Vochysiaceffi, 328 

 Volvox, 137, 138 



Walking-leaf, 225 

 Walnuts, 388 

 Water cultures, 86 

 Water-flannel, 158 

 Water, flow of, 103 

 Water-lily, 387, 288, 327 

 Watermelon, 312 

 Water-mould, 151 , 156 

 Water-plantains, 328 

 Water-slimes, 125 

 Waterworts, 325 

 Wheat, 272 

 Wheat-rust, 191 

 Wheat-smut, 197 

 White Pine, 348 



White rusts, 153, 154, 157 

 Willows, 338 

 Windsor bean, 274 

 Wistarias, 388 

 Witch-hazels, 335 

 Wood, 51, 298 

 Wood-fibres, 25 

 Wood of pines, 345 

 Woody bundles, 46 



Xylem, 51 

 Xyridaceffi, 333 



Yams, 325 

 Yeast-plants, 189 

 Yellow-eyed Grasses, 333 

 Yellow Pine, 348 



Zoospores, 8, 156, 159, 163 

 Zygnema, 147 

 Zygnemaceise, 141 

 Zygophyllacese, 329 

 Zygospore, 133, 146, 163 



