514 



INDEX. 



Yaccinium uliginosum, 378 

 Yalerianacese, 333 

 Yaleriana capitata, 334 

 edulis, 333 

 " sylvatica, 334 



Yancouveria hexandra, 219 

 Yerbenacese, 403 

 Yerbena hastata, 403 

 " bracteosa, 403 

 " prostrata, 403 

 Yeronica Americana, 399 

 " arvensis, 400 

 " peregrina, 400 

 " scutellata, 399 

 serpyllifolia, 400 

 Yesicaria Ludoviciana, 232 

 Yiburnum ellipticum, 329 



" pauciflorum, 330 



Yicia Americana, 266 

 " gigantea, 266 

 " Oregana, 266 

 " truncata, 266 

 Vilfa cryptandra, 484 

 " ramulosa, 484 

 " Triniana, 484 

 Villarsia pumila, 432 

 Yiolaceae, 237 

 Yiola adunca, 238 



Yiola chrysantha, 238 

 " cucullata, 237 

 " glabella, 237 

 " Hallii, 238 

 " lingusefolia, 237 

 " Nuttallii, 237 

 " pedunculata, 237 

 " preemorsa, 237 

 " rotundifolia, 237 

 " sarmentosa, 237 

 Viscum flavescens, 449 



" Beichenbachianum, 449 

 " verticillatum, 449 

 " villosum, 450 

 Yitacese, 265 

 Yitis Californica, 265 



" Caribsea, 265 

 Wigandia $ Californica, 421 

 Wyethia amplexicaulis, 351 



" angustifolia, 351 

 Xanthium echinatum, 351 



" Btrumarium, 351 



Xerobotrys cordifolius, 379 

 " glaucus, 380 



" tomentosus, 379 



" venulosus, 380 



Zauschneria Californica, 296 

 Zizia cordata, 320 



