VOL. IV.] Sierra Nevada Plants in Coast Range. 175 



Casta leiaviiniata'Dongl. Pubescent form. Cobb Mountain, 

 C. F. Leithold; Snow Mountain; Yolo Bolo. 



Cordylanthus Pringlei Gray. Lower slopes of Snow Moun- 

 tain. Flowering in August and September. 



Pediailaris semibarbata Gray. Bartlett Mountain; Snow 

 Mountain. 



Monardella odoratissima Benth. Snow Mountain. 



Lophanthus urticifolius Benth. Snow Mountain. Growing in 

 thickets of Ceanothus, Ribes, etc., the purplish heads surmounting 

 them. 



Polygonum Bistorta L,. Meadows and banks of streamlets, 

 Snow Mountain. 



Polygonicm Davisics Brewer. High rocky peaks, Snow 

 Mountain. 



Eriogoniim 2cmbellatum Torr. High rocky ridges, Snow 

 Mountain; Yolo Bolo. 



Erio^omim compositiim Dougl. Snow Mountain; Yolo Bolo. 



Eriogonum Lobbii T. & G. High rocky ridges near the 

 monument, Snow Mountain. Flowers forming larger heads and 

 of deeper rose-color than those seen in the Sierra Nevada. 



Eriogonum ovalifolium Nutt. Abundant and forming dense 

 tufts often a foot in diameter, the snowy mass of small 

 leaves surmounted by short peduncles, bearing heads of whitish 

 flowers which become at length rose-colored. vSnow Mountain. 



Eriogomini spergulinum Gray. Snow Mountain. Common 

 about the borders of meadows. 



Eriogonum hirtiflorum Gray. Common in Lake County. 

 Dwarf at high elevations, but about Hough's Springs and on the 

 lower slopes of Snow Mountain reaching so great a size that 

 a single individual would fill several sheets of collecting paper. 



Quercus chrysolcpis Liebm. on Snow Mountain reaches an 

 elevation of about 4000 feet, above that level dwarfing rapidly 

 into its subalpine form, var. vaccmifolia. The ascent of the 

 mountain is so abrupt that the phases of transition can be readily 

 followed. 



