VOL. IV.] Southern Extension of California Flora. 203 



Fremnntia Californica Torr. A single specimen was found 

 in the Salado Canon near Colnett. 



Lhuim perenne L- Common on San Pedro Martir. 



Geranium c.Tspitosiun James. San Pedro Martir. 



Rhus ovata Watson. Common on San Pedro Martir. 



Rhus intcgrifolia Nutt. This is usually a much branched 

 shrub, but in some localities it becomes a tree having a diameter 

 of more than a foot. It is known when large by the name 

 mahogany. 



Rhamnus Californica Ksch. A very common bush on San 

 Pedro Martir. 



Ceanothus cordulatus Kellogg. A bush forming thickets six 

 feet high. Flowers white and sometimes decidedly light purple 

 in color. Highest elevations of San Pedro Martir. 



Ceanothus Gregg ii Gray. Flowers white. San Pedro Martir. 



Ceanothus Palmeri Trelease. Twigs green, leaves more or 

 less dentate, flowers blue. The . most beautiful species of 

 Ceanothus on San Pedro Martir. 



Ceajiothus hirsutus Nutt. Slopes of San Pedro Martir. 



LupiNUS PALLiDUS. Annual, a few inches in height, branch- 

 ing from the base, often spreading and forming tufts nearly a foot 

 in diameter, densely strigose-pubescent and with some spreading 

 hairs, leaflets five or six, spatulate, rounded at apex, 10-15 mm. 

 long, usually much shorter than the petiole; stipules adnata for 

 half their length: racemes short-peduncled, terminating the 

 branches, capitate in flower, elongating but dense in fruit; bracts 

 much shorter than the calyx: upper lip of calyx, 3 mm. long, 

 deeply cleft into two divergent lobes; lower lip a third longer, 

 oblong, very shortly three-toothed at apex; bracteoles none: 

 corolla white without markings, about twice the length of the 

 calyx; entirely glabrous; standard shorteV than the wings and 

 shortly cleft keel: ovary four-ovulate; pod pubescent, three or 

 four seeded; seeds white marbled with black. 



Sands in the dry bed of the creek near the Mission of San 

 Vincente in northern Baja California, May, 1893. 



Lupimis trioicatiis Nutt. Slopes of San Pedro Martir. 



