INDEX 



319 



tridentata, Purshia, 1 1, 121, 128, 133, velutinus, Ceanothus, 150, / 263, 273 



150, 155, 167, / 261-263, 265- 

 269, 273-275, 278, 279 



trUobata, Rhus, / 264, 267, 268 



tupelo gum, 89 



turbinella, Quercus dumosa, 107, / 

 257 



virens, Prunus, 121, 131, 176, / 263, 



264, 280 

 virginiana, Prunus. See Prunus vir- 



giniana. 

 Quercus, 107, / 255, 257 



wild plum, 114, 115, 116, 162, / 258, 

 259, 276, 277 



undulata, Quercus, 107, / 257, 264 



utahensis, Amelanchier, 120, 121, / willows. 6"!?^ SalLx. 



263, 265, 266, 267, 269, 279 wislizenii, Quercus, 97, / 256 



