VOL. IV.] Tj'ees of Southern California. 3 



3000 feet altitude, on the southern slope of the San Bernardino 

 Range to the Coast. A tree growing in sandy loam at San 

 Bernardino measures 9>4 feet in circumferance at 3^ feet from 

 the ground; height about 60 feet. Another similarly situated is 

 13 feet 3 inches in circumference; broken off about 25 feet from 

 the ground. 



Jug Jans rupestris Kngelm. in Torr., Sitgs. Rep. 171 t. 15; 

 Sargent, loth Census ix, 131. /. Californica Wats., Bot. 

 Calif, ii, 93; Greene, Fl. Fr. 74. Arborescent shrub 15 feet 

 high, growing in clumps, or rarely a tree 30 feet high, the trunk 

 a foot in diameter. In canons on the southern slope of the San 

 Bernardino Range up to 3000 feet altitude, and occasionally along 

 washes at some distance from the foot of the mountains. 



Myrica Californica, Cham. Arborescent, in clumps, 12 feet 

 high. Collected only in Rustic Canon near Santa Monica, 

 where, according to Dr. Hasse, it is scarce, and grows in shady, 

 springy places. 



Oiierciis lobata Nee. Fort Tejon, a few miles over the L,os 

 Angeles boundary, in Kern County, is situated in a grove of 

 magnificent oaks of this species, some of them 7 and 8 feet in 

 diameter. Within our limits it has been reported from La 

 lyiebre Rancho in Antelope Valley.* A single tree has been 

 observed by Dr. Hasse at Santa Monica. It may be expected in 

 the intervening mountains. 



Onercus Douglasii H & A. This species barely reaches lyOS 

 Angeles County on the desert side of the L,iebre Mountains 



{Covillc). 



Quercus Engelmaruii Greene, W. Am. Oak. 33, t. 17. 0. 

 oblongifolia Ungelm., Bot. Calif, ii. 96. Rather spreading tree, 40 

 feet high, the trunk 3 feet in diameter. Coast mountains of San 

 Diego County, 15-20 miles from the sea, where it covers the hills 

 in open groves; Pala; Fallbrook; etc. Rare on the interior 

 slope of the same mountains; Marietta. Reported in the Bot- 



*Merriam, N. A. Fauna vii, 333, Sargent's reference to the "San 

 Bernardino Mountains" (loth Census ix, 138), probably applies to the 

 same region, as no other station is known. 



