982 



INDEX. 



Water-cress (Roripa), 434 



Water- ferns, 135 



Waterleaf-Fam., 673, 918 



Water-milfoil, 615, 916 



Water-plantain, 152, 909 



Water-starwort, 556, 914 



Weather-glass, 653 



Webera (Musci), 64, 94, -97, "3, 12 3- PI- x 



Wedelia (Comp.), 822 



Weinmannia (Cunon.), 466, (,5;, 



Wendtia (Geran.), 536 



Wheat-grass, 245 



Whitlow-grass (Draba), 441 



Whorl-grass (Catabrosa), 216 



Wild-barley, 251 



Wild-rye (Elymus), 252 



Willow Fam., 325, 910 



Willow-herb, 607 



Willugbaea (Comp.), 777 



Wilsonia (Convolv.), 666 



Windmannia (Cun.), -466, 953 



Winter's-bark (Drimys), 6, 419 



Wiry grass (Deschamp.), 199, 947 

 Wolffia (Lemn.), -290 

 Wolffiella (Lemn.), 291 

 Woodsorrel (Oxalis), 537 

 Wormwood (Artemisia), 832 



VANTHIUM (Comp.), 821 

 ^ Xeranthus (Portul.), -381 

 Ximenesia (Comp.), -823 

 Ximenia (Olac.), 344 





ARROW (Achillea), 829 



Yerba de Perdiz, 474 

 Yew Fam., 142 



7 EPHYRANTHES (Amaryl.), 310 

 Zizaniopsis (Gramin.), 156, 166 

 Zuccagnia (Legum.), 486, 494 

 Zygodon (Musci), 84, in, 122. Plate ix 

 ZYGOPHYLLACE^, 544, 914 



