OL. IV. ] Trees of Southern California. 341 
waters of Mill Creek, San Bernardino Mountains, at 6000 feet 
Acer macrophyllum Pursh. Small tree, 20 feet high, with 
slender trunk; often in small clumps from a common root. FIs. 
March; Fr. May. Common but not abundant in cafions 
on the southern slope of the San Bernardino Range, from San 
Gorgonio Pass to Los Angeles, at about 2500 feet altitude. 
Negundo Californicum T & G., Fl. i, 250. MN. aceroides 
Meench., var. Californicum Sargent, Gard. & For. ii, 364. 
Acer Californicum Greene Fl. Fr. 76. A. Negundo, 1,., Coville, 
l, c. 81. Tree 30 feet high, the trunk a foot in diameter. Leaves 
pinnately 3-5 foliate. Fils. March. Rare. San Bernardino 
ountain, on a wet, rocky flat in a cafion above Yucaipe, at 
3500 feet altitude. 
Dalea arborescens Torr. The type is a fragment in the Torrey 
Herbarium at Columbia College, ticketed, ‘‘ Fremont’s 2d Exped., 
April 15, 1844. Mountains of San Fernando, a Southern continua- 
tion of the Sierra Nevada. A smalltree.’’ According to Fremont’s 
Journal he was at that date in or near what is now known as 
Antelope Valley. It has not been met with since, although the 
region passed over by Fremont has been carefully examined with 
a view to its rediscovery by Mr. Pringle and by the writer. 
A low shrub, 3-4 feet high (645 Parish, May, 1882, distributed 
as D. Californica,) growing in ravines of the Mojave Desert 
at Fishponds, about 80 miles further east, agrees with the 
description of the species except as to size and the numerous 
deciduous yellow glands of the young shoots. The original 
character given is ‘‘/ere cglandulosa,” but the deciduous glands 
might easily have been absent in the insufficient type specimen. 
Prof. Sargent indicates in the Sylva that this is probably identi- 
cal with the Fremontian plant. 
Dalea spinosa Gray. Small tree 25 feet high, with intricate, 
bushy top;. nearly leafless; the trunk, 10 inches in diameter, 
of an ash-gray color, as are the branches and slender twigs. 
Fls. June. Common in the dry washes of the Colorado Desert. 
gua Caliente, (Palm Springs;) Indio; Vallecito; Carriso; etc. 
Oineya Tesota Gray. Rough, spreading tree, 20 feet high, the 
