114 RHAMNACEA;. ceanothus. 



season's growth. 



C. sang:uiueus Pursh Fl. 167. A stout shrub 4-12 feet high with 

 terete reddish branches: leaves thin, 1-4 inches long, ovate to elliptical, 

 finely serrate, pubescent beneath, on slender petioles 6-lS lines long, decid- 

 uous: whole inflorescence, white, 1-4 inches long, pubescent, the numerous 

 flowers fascicled on the sides and at the ends of the short lateral branches: 

 style shorter than the stamens, 3-lobed. Common on rocky hillsides, Brit. 

 Columbia to northern California and Montana. 



■** Inflorescence on lateral shoots of the previous year's growth or 

 terminal on leafy shoots of the present season's growth. 



C. -relutinns Dougl: hook. Fl. i, 125, t. 45, (Mountain Balm). A 

 smooth shrub 2 — 6 feet high, with terete green branches, cespitose, often 

 decumbent at base, the branches somewhat pendulous; leaves orbicu- 

 lar-elliptical or elliptical-ovate, obtuse, subcordate, glandularly crenate 

 above, serrulate, coriaceous, glabrous and shining above, (as if varnished 

 and exuding a fragrant balsamic substance). velvety-canescent and strongly 

 3-ribbed beneath, 2—3 Inches long, on petioles,- "6— 8 lines long, persis- 

 tent; panicles axillary, xhrice compound, elongated, on rather long 

 peduncles; flowers white; styles as long or longer than the stamens. 

 Common in mountainous districts, Brit. Columtoia to eastern Oregon 

 and the Rocky Mountains. 



C. laevigatus. C. vehitinus var. Isevigatus T. & G. Fl. i, 686. 

 (Smooth Mountain Balm). A large shrub 8—15 feet high with smooth 

 terete green erect branches: leaves orbicular to elliptical, 2—4 inches 

 long, subcordate, finely glandular-seiTate, dark green and shining 

 above the whole upper surface glandular and exuding a balsamic fra- 

 grant substance, paler but smooth and prominently 3-ribbed beneath, 

 thick-coriaceous, persistent: panicles axillary, compound, rather small' 

 the peduncles but little if any longer than the leaves: flowers white' 

 In forests, Vancouver Island to Northern California, near the coast. 



C. Calif ornicus Kell. Proe. Cal. Acad. i. 55. C inteaerrinnit of re- 

 cent authors not of H. & A. Bot. Beech. 329: C. thmlfl'i^mmr mllo- 

 thyrsus Torr. Bot Wilkes 263. A slender branching shi-ub 2—10 feet 

 high, young branches more or less angled and pubescent: leaves thin 

 oblong to broaaly lanceolate, 1-3 inches long, more or less sen-ulate 

 toward the apex, pubescent with minute appressed hairs on^leriXr 

 petioles 2-6 lines long, deciduous: , flowers bLI to whfte 'ficicled on 

 terminal and axillai-y peduncles from wood of the present season's 

 growth; bracts ovate, shortly . acuminate, 1-2 lines Ion- pedicels 

 slender, 4-C lines long: styles shorter than the stamens ,,ni;^rH-„ 

 the^summit. On dry open hillsides, fi-orthe' clZTa rlvlt'to" SaT 



sh?ib*o^^s^St'ree .^^l^feeTh'l^bltitif I^^^^^^ An erect 



lanceolate, finely dentate, 1-2 inches Ions on ..hnrt!,^'^^'''^ '^''^^^ 

 flowers blue, in dense subcompound Tol'm^. ?. ^ Petioles, deciduous: 



elongated and somewhat lea?y°pedunclePu^et^^^^^^^^^^ *!^^"«"«"y 

 near the coast. psuuncie. Puget Sound to California, 



-1- H- Erect shrubs, the brauclieo ii<ninii,r >.f„-j 

 leaves rather small: flowers Ts^m^'^^n^llVclJ^T'- 

 C. divaricatns Nutt. T. & (i pi i noo . j. 

 terete, often pruinose branches- leaves ohlnL-!'"''F'l"^ ^^^''^ ^^'tJi 

 lines long, rounded at base, ucid somewiTnhf^*'' ^"^ ?^^*^' ^^^ 

 glandularly serrulate, Pt»bescent VnTtr somPwW ' '"'.'^"^ely and 

 petioles about 2 lines long, persistent- fln^^av^K, 'I* coriaceous, on 

 Simple Often elongated rSj.elT'^\nZTl!nT%o^Z'i^\i::Cio 



