78 ]Muhlenbergia, Volume 7 



Hall in Univ. Cal. Publ. Bot. 1 : 93, is the same. He found a 

 single specimen near Round valley at between 7500 to 8000 feet 

 altitude. The Snow canyon station is a Hudsonian "island," 

 and the species properly belongs, no doubt, at higher altitudes, 

 and is rare. 



Acer Negundo L. var. californicum Sargent, Gard. and For. 

 4: 148. 

 Along streams in canyons near Yucaipe, east of Redlands; 

 Live Oak canyon, Oak Glen canyon. 



Aesculus califorxica Nutt. in Torr. & Gray, Fl. N. A. 1 : 



251- 

 Abundant at Fort Tejon, and a few scattering trees in An- 

 telope valley as far as La Liebre rancho, Davidson, Parish. 



Rhus integrifoua B. & H. 

 Extends inland to the hills near Declez, a little west of 

 Colton. 



Rhus i^aurina Nutt. 

 This has the same inland extension as the preceding species. 



Ceanothus arboreus Greene, Bull. Cal. Acad. 2: 144. 

 Santa Cata^ina islan^i, Lyon, McClatchie, Gra7it. 



Ceanothus perplexans Trelease, in Gray, Syn. Fl. 1: part i. 

 147. 

 Potrero, San Diego county, April 6, 1889, Orcutt; Coahuilla, 

 May, 1899, Hall; abundant at Eden Hot Springs, near Beau- 

 mont, April 8. 1908, Greata; Banning, May, 1892, Davidson; 

 Thomas valley, according to Hall, Univ. Cal. Publ. Bot. 1: 84. 



Ayexia pusilla L. Act. Stock. 1756: 23.//. 2. 

 Usually indicated as suffrutescent, but in our region it has 

 perennial woody stems a foot or more long. Andreas canyon, 

 Palm Springs, xApril, 1882, Parish 122^;. 



Sphaeralcea ambigua Gray, Proc. Am. Acad. 23: 292. 

 Often low and only suffrutescent, but sometimes with woody 

 .stems three to four feet long. Palm Springs, Parish 410S; Cush- 

 enberry Springs, Parish 492J. 



