184 CALIFORNIA ACADEMY OF SCIENCES. 



the typical form is ordinarily entire and glandless, with 

 the exception of the single one terminating the midrib, 

 but in var. Parry i and forms approaching it the margin is 

 often dentate-glandular. Some examples otherwise near- 

 ly typical are tridentate at the apex, each tooth terminated 

 by a gland. The pubescence is commonly of straight 

 hairs and most abundant beneath, but in a specimen from 

 Forest Ranch, Butte County, otherwise typical, the hairs 

 are crisped as is usual in var. Parryi. The lateral nerves 

 of the leaves are often wanting in the narrower forms, 

 but not constantly so in any; the texture is sometimes 

 nearly as coriaceous as in C spiiwsus, which some of the 

 forms approach rather closel}^ in the nearl}^ smooth pro- 

 fusely resinous fruit as well as in the shape of the leaves 

 and the absence of glands. The flowers are either blue 

 or white in all the forms excepting var. Parryi, which, 

 so far as known, has only deep blue flowers. The range 

 of the species is from Washington to southern Arizona. 

 Var. parvifo/ius in its extreme form has been collected 

 only in the Sierra Nevada, but variations connecting it 

 with typical integer rim us abound in the Coast Range. 

 All the forms are conspicuously absent from Southern 

 and from Baja California. 



Var. Parryi was described from the vicinity of Calis- 

 toga, at the foot of Mt. St. Helena. It abounds at eleva- 

 tions of 2000-2500 feet on that mountain and the adja- 

 cent ranges, and has been found at various places about 

 Russian River, much nearer the seacoast. It seems to 

 occur onl}^ in connection with C. iutegerrimus and C . 

 foliosas, and may be a hybrid. In this case the question 

 can be best determined b}^ direct experiment. 



