GENERAL INDEX . 419 
Turbine-wheel f. of A. virguiaris, 179, Pom 24, $7,:76 
Warp 
» 79, 313 
ct E of A. divaricatus, 125 
White-saucer f. of A. fragrans, 156 
WILLDENOW, 54, 57, 63, 79, 108, 281, 
Urceolate state of A. umbelliformis, 
` 259 
VAILLANT, 54, 57, 62, 70 
Xylorhiza, 52 
Haas A of A. Claytoni, 219 
Virescent f. of A. listriformis, er i: Zyrphelis, 51 
Virgulus, 52 
