8o6 



INDEX. 



Xanthium, 462, 723 

 Xanthone, 180 

 Xanthorhamnin, 169, 170 

 Xanthosome, 480 

 Xanthostrumarin, 723 

 Xanthoxylum, 462, 582 

 Xerase, 49 

 Xylem, 312 

 Xylopia, 541, 542 

 Xylose, 169 

 Xyrideales, 480 



Yam, 444, 492 



root, wild, 322, 492 

 Yarrow, 434, 452 

 Yeast, 47 



dry, lecithin in, 214 



glycogen in, 154 

 Yellow gum, 574 



pond lily, 434, 531 

 Yerba Mate, 60 1 



Santa, 670 

 Yew, 113 

 Ylang-ylang, 542 

 Yohimbi bark, 702 

 Yohimbihi bark, 702 

 Yohimbine, 702 

 Yucca, 485 



Zanthoxylum, 581, 582 

 Zanzibar copal, 574 

 Zea, 462, 467, 469 



root-tip, 300 

 Zeora, 75 

 Zeridine, 49 

 Zeylonicus-a-um, 462 

 Ziehl's carbol-fuchsin, 757 

 Zingiber, 462, 494, 495 

 Zingiberaceae, 494 

 Zizyphus, 606 

 Zollikoferia, hairs in, 282 

 Zoo-cecidien, 335 

 Zoospores, 5 

 Zostera, 466 

 Zygadenus, 574 

 Zygomorphic, 393 

 Zygomycetes, 42 

 Zygophyllaceae, 581 

 Zygospore, 5 

 Zymase, 244 



