INDEX. 



637 



A 



Page. 

 Woodsia S2 



Woodwardirt 79 



Woolly larch 92 



Wormwood 586-590 



Wyeth, collection of plants on Flathead 



River 14 



Wyethia 581 



Xanthium 550 



Xerophvllt -ini 197 



tenax CO 



Yellow ceda r 91 



Page. 



Yellow dock 225 



Yellow pine 92 



forests .ji>51, 53 



Yerba buena 493 



Yew family 89 



western 89 



Zannichellia 99 



Zizia 427 



Zonal distribution of plants in \\'ashington. 33-65 



Zones, lite, North American, scheme 34 



Zostera 99 



Z vgadenus 197 



o 



