178 EEYTHEA. 



having been collected by the writer. Of this number about 

 one-half are recorded in the Botany of the State Survey, as 

 existing in the district or common to the Coast Range. The 

 others since discovered show in many instances a marked ex- 

 tension of their supposed natural range, in part due to more 

 accurate exploration and in part, perhaps, to the inherent 

 virility or power of adaptation to changed conditions of soil 

 and climate so characteristic of this order of plants. 

 The following appear worthy of record : 



Cardamine integrifolia, Greene. In wet grounds in the 

 Laurel and other canons of the Coast Range. 



Arahis Holhodlii^ Hornem. Extending from the San 

 Bernardino Mountains to the foot-hills of the Sierra Madre. 

 riowers very variable but the petals seldom three lines long. 



Arahis pulchra^ Jones, Frequent on the Mohave Desert 

 and surrounding mountains. 



Sirepianthus heterophylhcs, Nutt. Not uncommon in the 

 foot hills around Los Angeles. 



Streptanthus longirostris, Wats. A desert species common 

 at Lancaster; a few plants grow at Rubio Canon near 

 Pasadena. 



Streptanthus inflatus, Greene. Localized in low-lying 

 soils on the Mohave. 



Thelypodium tniegrifolhim, Endl. Somewhat rare at 

 Lancaster. 



Thelypodium proceritm, Greene. On the desert slope of 

 the Sierra Madre Mountains. 



Caiilanihtis amplexicaulis, Wats. Foot-hills of the Mo- 

 have Desert ; sparingly at San Fernando. 



soils of the higher mountains. 



fih'pes, Gray. In saline 



Nasturtium 



Garvanza and Santa Monica ; very rare. 



Wats. At 



Lepidium lattpes, Hook. In saline soils near Santa Monica 

 Lepidium dictyoium, Gray. Near Santa Monica. 



