Vol.1] Hall. — Botanical Survey of San Jacinto Mountain. 81 



PAPAVERACE^. 



Argemone platyceras Link tO Otto. Prickly Poppy. 



Extending into the pine belt near Kenwortliy, bnt normally 

 confined to the Upper Sonoran Zone. 



Dendromecon rigidum Benth. Tree Poppy. 



Patches of this elegant shrub are frequently found in the 

 chaparral belt of the west side and on Chalk Hill. It belongs 

 to the Upper Sonoran Zone. 



DIcentra chrysantha H. & A. Dutchman's Breeches. 



Same range as the last and equally connnon. (No. 2630.) 



Eschscholtzia Californica CJumi. "California Poppy." Copa 



de Oro. 



Yevy typical, perennial specimens of this species were col- 

 lected on Chalk Hill and also on the north-west side, near the 

 lower limit of the pines. (No. 2063.) 



Platystemon Californicus Benth. Cream-cups. 



This occasionally enters the lower part of the pine belt on the 

 south and west sides. . (Nos. 1144, 2189.) 



CRUCIFER^. 



Arabis arcuata Gray. 



Gathered only on the south side where it is occasionally seen 

 below the 8000-foot contour. (Nos. 2981, 2221.) 



Arabis perfoliata 7yf/w?. A.^/«Z>n/ (L.) Bernh. Tower Mustard. 

 Strawberry Valley . ( No . 654 . ) 



Arabis perennans Wats. 



On ridges near Tahquitz Peak, above 8000 ft. alt. (No. 2316, 

 2425.) 



Arabis repanda ^yats. 



Lower part of Tahquitz Valley. (No. 2449.) 



Brassica nigra (Iv.) A'oc/i. Black Mustard. 



Introduced in Strawberry Valley. (No. 2282.) 



