222 S. B. PARISH 



RHAMNACEAE 



Rhamnus californica Esch. Mem. Acad. St. Petersb. VI, 10: 285. 



Frequent along the sides of canons in the Upper Chaparral Zone. 

 Rhamnus californica Esch. var. tomenlella Brew. & Wats. Bot. Cal. 1: 101. 



With the species but much less abundant. 

 Rhamnus crocca Nutt. ; T. & G. Fl. 1: 261. 



Infrequent on dry hills in the Lower Chaparral Zone. 

 Ceanothus cordulatus Kellogg, Proc. Cal. Acad. 2: 124, t. 39. 



Abundant, forming dense thickets, on open slopes in the Upper Transition 

 Zone. 

 Ceanothus crassifolius Torr. Pac. R. Rept. 4: 75. 



Frequent on dry hillsides in the Lower Chaparral Zone. 

 Ceanothus cuneatus Nutt.; T. & G. Fl. 1: 267. 



Occasional on bushy slopes in the Lower Chaparral Zone. 

 Ceanothus divaricatus T. & G. Fl. 1: 266. California Lilac 



Abundant on canon sides in the Lower Chaparral Zone. 

 Ceanothus Greggii Gray, PI. Wright, 2: 28. 



Frequent on bushy slopes and ridges in the Piilon Zone, extending to Gold 

 Hill, at the upper end of Bear Valley. 

 Ceanothus integerrimus H. & A. Bot. Beechey 329. 



Frequent on bushy slopes in canons of the Upper Chaparral Zone. 

 Ceanothus tomentosus Parry, Proc. Davenp. Acad. 5: 190. 



Locally abundant about the mouth of Mill Creek Canon, in the Lower 

 Chaparral Zone. 



VITACEAE 



Vitis girdiana Proc. Soc. Prom. Agr. Sci. 1887, 59. Wild Grape 



Frequent near streams and springs in the Lower Chaparral and Lower 

 Pinon Zones. 



CHERANTHODENDBACEAE 



Fremontia californica Torr. PI. Frem. 5, t. 2. 

 Abundant in canons in the Pinon Zone. 



MALVACEAE 



Sidalcea Hickmani Greene var. Parishii Robins, Syn. Fl. 1, pt. 1: 307. 



Dry mountain side above Seven Oaks, type station. Not otherwise known. 

 Sidalcea malvaeflora Gray, Proc. Am. Acad. 21: 409. 



Frequent in meadows in the Lower Transition Zone. 

 Sidalcea pedata Gray, Proc, Am. Acad. 22: 288. 



Frequent in meadows in Bear Valley, type station. Not otherwise known. 

 Malvastrum Davidsonii Robins, Syn. Fl. 1, pt. 1: 312. 



Infrequent on dry slopes, Cushenberry Canon, in the Upper Pinon Zone. 



ELATINACEAE 



Elatine americana Arn. Edinb. Jour. Nat. & Geog. Sci. 1: 431. 



Rare, in shallow water and on the borders of it, in the Transition Zone. 



