PLANTS OF THE SAN BERNARDINO MOUNTAINS 259 



Hulsea vestita Gray, Proc. Am. Acad. 6: 547. 



Frequent in rocky and gravelly soil in the Upper Transition Zone, and in 



a depauperate form (var. pygmaea Gray) reaching the summit of San 



Gorgonio Mountain. 

 Helenium Bigelovii Gray, Pac. R. Rept. 4: 107. 



Occasional in meadows and along streams in the Upper Transition and 



Canadian Zones. 

 Achillea millefoliuvi Linn. var. lanulosa Piper, Mazama 2: 97. Yarrow. 



Frequent in meadows in the Transition Zone. 

 Artemisia albula Wooten, cont. Nat. Herb. 16: 193. 



Common on dry, open flats about Doble, at the upper end of Bear Valley. 

 Artemisia californica Less. Linnaea 6: 523. 



On dry hills in the Lower Transition Zone. 

 Artemisia dracunciiXoides Pursh, Fl. 2: 742. 



Occasional on hillsides in the Chaparral Zone and in dry meadows in the 



Transition Zone. 

 Artemisia Rothrockii Gray in Brew. & Wats. Bot. Cal. 1: 618. 



In the Upper Transition Zone, Vernon Bailey, ace. Hall, Univ. Cal. Publ. 



Bot. 3: 297. 

 Artemisia tridentata Nutt. Trans. Am. Philos. Soc. ser. 2, 7: 398. 



Abundant on dry open fiats at the upper end of Bear Valley. 

 Raillardella argentea Gray in Brew. & Wats. Bot. Cal. 1: 417. 



In gravelly soil at the summit of San Gorgonio Mountain. 

 Arnica bernardina Greene, Pitt. 4: 170. 



Frequent in meadows in the Upper Transition and Canadian Zones. The 



type was from Bear Valley. 

 Tetradymia glabrala Gray, Pac. R. Rept. 2, pt. 2: 122, t. 5. 



Occasional in dry soil at the upper end of Bear Valley. 

 Senecio ionophyllus Greene, Pitt. 2: 220. 



Occasional in dry soil in the Upper Transition Zone. 

 Senecio ionophyllus Greene var. bernardinus Hall, Univ. Cal. Publ. Bot. 3: 232. 



Frequent in open pine forest in the Upper Transition Zone. Bear Valley 



is this type station. 

 Senecio ionophyllus Greene var. sparsilobatus Hall, Univ. Cal. Publ. Bot. 3: 232. 



Occasional in coniferous forest in the Canadian Zone. Barton Flats is 



the type station. 

 Senecio serra Hook. var. sanctus Hall, Univ. Cal. Publ. Bot. 3: 230. 



Occasional on moist north slopes in the Canadian Zone. 

 Senecio triangularis Hook. Fl. Bor. Am. 1: 332, t. 115. 



Occasional by stream banks and in wet places in the Canadian and Hudson- 



ian Zones. 

 Carduus californicus Greene var. bernardinus Parish Hall, Univ. Cal. Publ. 

 Bot. 3:241. 



Frequent on dry hillsides in the Chaparral, and occasional in the Lower 



Transition Zone. Little Bear Valley is the type station. 

 Carduus Drummondii var. acaidescens Coville, Contr. Nat. Herb. 4: 142. 



Common and often abundant in dry meadows and flats in the Transition 



Zone. 



