PLANTS OF THE SAN BERNARDINO MOUNTAINS 249 



Gentiana simplex Gray, Proc. Am. Acad. 6: 87, t. 16. 



Occasional in meadows in the Transition and Canadian Zones. 

 Frasera neglecta Hall, Bot. Gaz. 31: 388. 



Frequent on open forested flats and hillsides in Upper Holcomb Valley. 



APOCYNACEAE 



Amsonia brevifolia Gray, Proc. Am. Acad. 12: 64. 



In dry soil at Cactus Flat in the Pifion Zone. 

 Amsonia tomentosa Torr. Frem. 2d Rept. 316. 



Growing with the foregoing species. 

 Apocynum androsaemifolium Linn. Sp. PI. 213. 



Frequent in rocky places in the Transition Zone. 



ASCLEPIADACEAE 



Asclepias eriocarpa Benth. PI. Hartw. 323. 



Occasional in dry soil in the Lower Transition Zone. 

 Asclepias mexicana Cav. Ic. 1: 42, t. 58. 



Infrequent in damp soil in the Lower Chaparral Zone. 



CONVOLVULACEAE 



Convolvxdus occidentalis Gray, Proc. Am. Acad. 11: 89. 



Occasional among bushes in the Lower Chaparral Zone. 

 Convolvulus luteolus var. Julcratus Gray, Proc. Am. Acad. 11: 90. 



Occasional on dry open slopes in the Lower Transition Zone. 

 Cuscuta californica Choisy, Cusc. 183. 



Very abundant, infesting shrubs, on dry hills in the Lower Chaparral 

 Zone. 



POLEMONIACEAE 



Polemonium coeruleum Linn. Sp. PI. 162. 



Bear Valley, Hall and L^pper Meadows on the South Fork of Santa Ana 

 River, Mrs. Wilder, in each instance only a single plant. 

 Collomia grandifiora Dougl.; Lindl. Bot. Reg. 14, t. 1166. 



Frequent in open pine forest in the Transition Zone. 

 Collomia heterophylla Hook. Bot. Mag. 56, t. 2895. 



Frequent on dry slopes in the Lower Chaparral Zone. 

 Collomia linearis Nutt. Gen. 1: 126. 



In meadows. Bear Valley. 

 Phlox austromontana Coville, Contr. Nat. Herb. 4: 151. 



In dense mats, in dry soil, at the upper end of Bear Valley. 

 Phlox dolichantha Gray, Proc. Am. Acad. 22: 310. 



Common in open pine forest in Bear Valley. 

 Gilia achilleifolia Benth. Bot. Reg. 19: t. 1622. 



Common on sheltered banks in canons of the Lower Chaparral Zone. 

 Gilia californica Benth.; DC. Prodr. 9: 316. 



Abundant on dry banks in the Lower Chaparral Zone. 



