80 Coville Neiv Plants from Southern California, 



The species undoubtedly is confined to the Lower Sonoran 

 zone of the desert region. gnaphaloide# belongs to the intra- 

 montane region of California.* 



*The word " intramontane " is applied here to that portion of Califor- 

 nia west of a line of mountains made up of the Sierra Nevada, San Ber- 

 nardino, and San Jacinto ranges, together with their connecting ridges. 

 That area is thus distinguished from the ultramontane or desert and Groat 

 Basin portions of the state. The two regions are marked by distinct char- 

 acteristic floras. North of the Sierra Nevada and south of the San Jacinto 

 Mountains the precise location of the dividing line has not been clearly 

 determined. 



