A Synopsis of Plant Phyla 



99 



Vochysiaceae, 64 

 Voelkelia, 47 

 Volvocaceae, G 

 Volvox, 6 



Webera, 39 

 Weisia, 38 

 Winterana, 66 

 Winteranaceae, 66 

 Wrangelia, IS 



Xanthocapsa, 28 

 Xanthophyllum, 64 

 Xanthoxyliim, 63 



Xyridaceae, 54 

 Xylaria, 23 

 Xylariaceae, 23 

 Xyris, 54 



Yucca, 53 



Zamia, 48 

 Zanrrdinia, 16 

 Zannichellia, 53 

 Zea, 56 

 Zelkova, 67 

 Zingiber, 57 

 Zingiberaceae. 57 



Zinnia, 84 

 Zizyphus, 78 

 Zonaria, 16 

 Zostera, 53 

 Zygnema, 9 

 Zygnemales, 9 

 Zygnemataceae, 9 

 Zygodon, 39 

 Zygogonium, 9 

 Zygophyceae, 9 

 Zygophyllaceae, 63 

 Zvgophyllum, 63 

 Zythia, 36 



373 



