124 



Ceanothus cordulatus, (Kellogg). — Fig. 39 — A shrub four or 

 five feet in height ; branches erect, flexuose ; branchlets numer- 

 ous, very short, divaricate, leafy at the base, terminating in a 

 stout thorn ; whitish glaucous ; stems strictly terete. 



Leaves small, (i. e., one-quarter to one-half an inch long, 

 rarely three-eighths broad) three-ribbed, (with two other outer 

 obscure nerves) ovate-cordate, entire, often emarginate, reticu- 

 late, with translucent* veins, short hirsute above and below, 

 especially conspicuous along the nerves beneath ; petioles short, 

 hirsute, in the mature state stout, seldom one-sixteenth of an 

 inch long, in the young state two to three times that length 

 and very slender, minutely pubescent ; lamina becoming thick- 

 ened and coriaceous, persistent. • 



Stipules cubulate, hirsute. Leaves alternate in fasiculate 

 •clusters, somewhat canescent beneath. 



Flowers in thyrsoid panicles one to two inches in length, 

 springing from the summit or approximate lateral branchlets ; 

 peduncle and pedicels sub-glabrous. 



Fig. 39. 



