348 



INDEX 



Wistaria, 265. 

 Witches'-broora, 60. 

 Wormwood : see Artemisia. 



Xanthiura, 279. 



Xeropliytes, 319. 



Xylem, 2S5, 287, 288, 290, 2D2, 204. 



Yeast, 



Zannichellia, 237. 

 Zoospore, 10. 

 Zygomorphy, 228, 

 Zygospore, 15. 

 Zygote, 15. 



C4) 



THE END 



