VOL. III.] Botany of Mariposa. 37 



the foothills, which are found in this zone, so far as they are known 

 to me, they will be found in the next list, which follows the same 

 rule as the former one, except that items of supposed interest 

 in regard to rare or new species are more freely introduced. 



Isopyrum occidentale H. & A. Shaded hillsides. Mariposa. 



Delphinium decorum F. & M., var. patens Gray. Same local- 

 ities. C. 



Arabis arcuata Gray. Face of cliffs. Mariposa. Hite's Cove. C. 



Streptanthus barbatus Wats.? Sepals not bearded. Rocky 

 places. Mariposa. Agua Fria. 

 polygaloides Gray. Rocky sidehills. Mariposa. 



Nasturtium palustre DC. Banks Lower Merced. 



Lepidium Menziesii DC. The common species here. 



Thysanocarpus radians Benth. Hornitos. 



Viola aurea Kell. The only yellow violet proper here. C. S. 



chrysantha Hook. This beautiful representative of the 

 tricolor type is not rare in open grassy places in March. 



Folygala Californica Nutt. Rocky cliffs. Merced River. 



Hypericum Scouleri Hook. Stream banks. C. 



Sidalcea Hartwegi Gray. Thickets and open grounds. 



Fremontia Californica Torr. Chaparral- covered hillsides. May. 

 C. 



Linum micranthum Gray. Rocky places. 



Trifolium bifidum Gray. Differs from T. graciie?itutn in its strict- 

 ly upright growth. Open woods. 



Hosackia stipularis Benth. Chemisal. Agua Fria. 



grandiflora Benth. Shaded spots. Mariposa. April and 

 May. 



Hosackia argophylla Gray. Cliffs. Hite's Cove. 



Astragalus Congdoni Wats. Chemisal. Hite's Cove. 



Lathyrus sulphureus Wats. Thickets and stream banks. Com- 

 mon. C. 



Cercis occidentalis Torr. Rocky places. A white variety oc- 

 curs. March and April. 



Cercocarpus parviflorus Nutt. Frequent. March. 



Calycanthus occidentalis W. & A. Rocky beds of streams. 

 Hite's Cove, etc. C. 



