INDEX. 



Wild Grape, California . . . 259 



Wild Onion 119 



Wild Radish 217 

 Wild Rose, California ... 278 



Wild Rye 76 



California 78 



Divergent 80 



Glaucous 78 



Hispid 79 



Narrow leaved 80 



Pubescent 78 



Slender 78 



Tufted 81 



Willow 135 



Arroyo 137 



Bebb 136 



Black 136 



Kiver 136 



Sandbar 137 



Spotted-leaf 136 



Velvet 137 



Western Black 136 



Willow Family 135 



Willow Herb 327 



Wind-flower 198 



Wind Poppy 209 



Winter-cress 220 



Wintergreen 368 



Wire Grass 160 



Wislizenia 229 



refracta 230 



Wolffia 98 



lingulata 99 



Wood-rush 95 



Common 95 



Wormseed 176 



Wyethia 541 



angustifolia . . . 



glabra 



helenioides . . . 

 Xanthium .... 



Canadense . . . 



spinosum .... 

 Xerophyllum . . . 



tenax 



Xylothermia . . . 



montana . . 

 Yard Grass ... 

 Yard Rush ... 



Yarrow 



Yellow-cress, Marsh 



Western .... 

 Yerba Buena 

 Yerba del Pescado 

 Yerba del Vibora 

 Yerba Mansa . . 

 Yerba Reuma . . 

 Yerba Santa . . . 



Yew 



Yew Family . . . 

 Zannichellia . • . . 



palustris . . . . 

 Zauschneria . . . . 



California . . . 

 var. lati folia 



latifolia . . . . 

 Zostera 



marina 



Zygadene 



Zygadenus . . . . 

 Fremonti . . . . 



var. minor 

 venenosus . . 



