316 
Wild potato vine, 62 
Wild stonecrop, 63 
ildman, E. de, 2 
Willow, black, 164; cottonwood, 205; 
inis 164; pussy, 164; shining, ы 
ег, й: weeping, 164; white, 164 
Wilson, G 255 
Wilso 
аак ы and Smelter-injury in the 
ntana, 25 
48, 57 
Wood-sorrel, procumbent, 50; slender, 
50; tall yellow, 50; yellow, 50 
Xanthoxylum americanum, 171 
Xanthium echinatum, 212; glabratum, 
212; pennsylvanicum, 212; spinosum, 
2I 
Xerophyll um, 240 
Xolisma ligustrina, 185 
Yellow rocket, 49 
Yellow-wood, 159 
Yew, European, 157 
Zannichellia mg 104 
Zea Зала 182, I 
Ziz ea, 49, "s cordata, 49 
cde boi dg 
