Ceanothus. Rll A.MN ACK.K. 41^ 



til-ill to ovate, roninlfcl at base ami soniPtiiiios slif^litly ciuieato ajonj; tlic strong lateral 

 inTvcs, vcrv ohtiisf, u.-iually oiitiro or iiearlv so, iiiicro(*co|ii(ally toiinMitiilow; to ^'lalin-sci-iit 

 ami (lull aliove, iiiiiiutcly toriifiitulose-iaiii-sieiit bciicalli, I to ocriusionally 2A iiiclic.H lonj^, 

 tlifir slender sligliily villous |)Otioles sometimes half iiieli lonj; : iiitlores<eiue linelv velvetv, 

 the siiort dense axillary clusters searccly j)edumled ami ag;;rej;ated into a nitlier denMJ 

 thyrsus 2 to ;{ inches lonjj : flowers white : eapsules -2^ linfs in diameter, depn-ssfd, verru- 

 eosely roughened, sliallowly lobed at top. — Fl. i. 205 ; Wats 1. c. .3.{fi ; 'irele;i>e, 1. c. 110; 

 Parry, 1. c. 168; K. Hramlegee, 1. c. 187. — t'alifornia, in the Middle Coast Haiige region. 

 In foliage and intloreseenee smaller specimens approach C. corditlalus, while larger ones 

 reiall the thicker-leaved C. relitliiiiis. 



C. Fendleri, (iUAV. Low and dense often jirostrate shrub, with greenish verv canesi-ent 

 sometimes glaucous slender twigs ; the spines slender and sharp: leaves ellijitical, rounded 

 or subacute at both ends, finely denticulate-serrulate or nearly entire, thin, green and spar- 

 ingly appressed-silky upou the upper surface, densely but microsoipically gray-tomentulose 

 beneath, half inch to occasionally an inch long, their slender petioles 2 or ."J lines long : inHo- 

 rescence very short, mostly few-Howered : flowers white : capsules 2 lines in diameter, 

 smooth, somewhat acutely keeled at first, scarcely lobed at top. — I'l. Fendl. 29; Wats. 

 1. c. 337; Trelease, 1. c. Ill ; Parry, 1. c. 1G8; K. Brandegee, 1. c. IHlt.— S. Dakota, liull 

 Springs, Riidberg, no. 390. to New Mexico and Arizona. (Northern Mex.) With nearly 

 glabrous green twigs, red spines, and small broad leaves, it is var. vfRiKis, Gray iu Tre 

 lease, 1. c. Ill, of S. K. Arizona, Lcmmon, Greene, 7'ouiiiei/. With leaves tliicker, broadly 

 elliptical, rounded at both ends, finely tonieutose on both surfixces and with veins very 

 prominent beneath, it is var. venosi s, Trelease, n. var., w hich closely resembles some small- 

 leaved Oregon specimens referred to C. cordulatus, and occurs iu Texiis, IJmjtia Mts. 

 Uuvard, and Arizona, Ft. Whipple, Vones & Palmer, Sta. Catalina Mts., Lemmon. (Northern 

 Mex.) Specimens somewhat resembling C. ovatus occur in Colorado, Parry, 1864, Coal 

 Creek, Brunde<jec, 1881. 



-»— 6. Leaves medium sized or small, firm but rather thin, nearly all 3-nerved ; the margin 

 conspicuously glanduliferous rather than toothed : inflorescence subsimjde, oblong, mod- 

 erately large : twigs terete, usually intricately branched and occasionally rigid but scarcely 

 sjjinose or pruinose. 



C. tomentosUS, Parry. Medium-sized shrub, with slender gray or reddish at first tomen- 

 tose mostly densely verrucose twigs: leaves elliptical to usually round-ovate, commonly 

 rounded at base and apex, very conspicuously glanduliferous on the margin, dull microscopi- 

 cally velvety and drying dark on the up])er surface, densely brown- or commonly white- 

 tomentose beneath, 4 to 10 lines long (on suckers, and usually i:i the San Hernardino form, 

 1 to 1 ii inches long and nearly as wide, and very coarsely dentate), short-j)etioled : inflorescence 

 loosely tomentose, I or 2 inches long ; flowers deep blue or exceptionally white : capsules 2 

 lines in diameter, somewhat depressed, smooth, slightly crested, evidently lobed. — Parry, 

 1. c. 190. C. oliffanthus, var. tnmentosus, K. Brandegee, 1. c. 198. C. azarriis. Kellogg. Proc. 

 Calif. Acad. Sci. i. 5.5. C. sorediatus, Trelease, 1. c. 1 1 1 , in part ; Parry, 1. c. 1 69. — California, 

 from the Sierras of Amador Co. to San Diego. (Lower Calif.) A])parently uncommon in 

 the middle region. 



C. sorediatus, Hook. & Arn. Bather low densely branched shrub, with olive orat length 

 purplish minutely tomentose and somewhat villous sparingly and finely red-warty commonly 

 \ery rigid twigs : leaves narrowly ovate to elliptic-lanceolate, rounded at base. fre<|uently 

 acute. 4 to 10 lines long ; the margin about as in the last ; the convex tipper surface mostly 

 at first with a few rather short hairs, soon glnbrescent, dull but looking as if waxed : lower 

 surface <larker green or gray and minutely ajijtressed-silky ; the short petioles (like the 

 princijial veins beneath) ap])ressed-hairy : inflorescence nearly as in tiie last or smaller, at 

 first loosely villous: flowers deep blue: capsules globo-^e, 2 lines in dianu-ter, smooth or 

 somewhat wrinkled, neither crested nor <leeply lobed. — B<it. Beech. 328 ; Torr. & Gray, Fl. 

 i. 686. in part ; Wats. 1. c. 336, in j)art ; Trelease, 1. c. Ill, in i)art ; Parry. 1. c. 189. ('. in- 

 tririitiis. Parry. 1. c 168. C. olifjmil/ius, var. hirsuliis, K. Brandegee, 1. c. 197, in part. — 

 California, Mendocino Co. to Santa Barbara. Somewhat aberrant specimens from San 

 Diego Co., Orcutt. 



