Ceanothus. Kl lA.M XACK.i:. 4()9 



9. CEANOTHUS, L. Niw .Ikkskv Tka, Cai.ih.kma Lii.ac. (Kca- 

 voi^os, u nauic applii^l by Tlicopliiastus to soinu prickly plant, and lranKf«Tre<l to 

 this <,'eiius l)y Liiiiiii'iis.) — Slirui)s or rarely small trt-es with often divaricate 

 sometimes spiny t\vi<,'s, alternate or opposite fre.juently serrate .'i-nerved or pin- 

 nately veined usually ample leaves with minute or spon<,'y-thickened stijtules, and 

 small but showy white, blue, or j.urplish flowers in often lon;r-peduncled dense 

 axillary or terminal clusters. — Act. Soc. Upsal. 1741, 77, & Gen. ed. f). no. 2G7 ; 

 Brongn. Mem. Hliamn. G2, & Ann. Sci. Nat. .\. 'MV,) ; (Jray. (Jen. 111. ii. 181 ; 

 Benth. ifc Hook. Gen. i. 378 ; Wats. Proc. Am. Acad. x. .'i.J.'J ; Haill. Hist. PI. 

 vi. 80 ; Trelease, Proc. Calif. Acad. Sci. ser. 2, i. lOG, & Trans. St. Louis Acad. 

 V. 301; Parry, Proc. Davenp. Acad. v. 102, 185; K. lirandegee, Proc. Calif, 

 Acad. Sci. ser. 2, iv. 174; Weberbauer in Engl. & Prantl, Nat. PHanzenf. iii. 

 Ab. 5, 412. — Chiefly of the Western United States, a few in Mexico and the 

 Atlantic States. 



* Leaves alternate, not pungent, entire or mostly ghindular-tootlied ; stipulfs thin ami 

 mostly fugacious: fruit sometimes keeled or crested on the back of the carpels, but with- 

 out dorsal \\OTns. — Euceanothus. 

 ■^ 1. Leaves amitle in all but the last, thin, 3-nerved, toothed, deciduous : twigs subterete, 

 neither rigidl.v divaricate nor spinose: inflorescence rather simjile and mosth- c<mipacti 

 at the ends of leaHess or nearly leafless peduncles : flowers white : fruit about 2 lines in 

 diameter. 



++ Peduncles often rather stout, usually from lateral buds of the old w 1. 



C. sanguineus, I'irsu. Tall shrub, with puqde or reddish glabn.us twigs: leaves broadly 

 ellij.tical, varying to ovate obovate or orbicui.-vr, nninded or cordulnte at ba.se, very obtuse, 

 palir beneath, socm glabrous or with a few long hairs on the veins beneath, serrate, 1 to .3 

 inches long, their freijuently somewhat villous petioles about a third as long: peduncles 

 4 or 5 inches long, pale, fngaciously villous, tloriferous on the upper half or occiusionally 

 bearing scattered corymbs from the b.ase up: capsules obovoid, somewhat lobed at top, 

 nearly smooth and c rest less. — Fl. i. 167; Nutt. Gen. i. 153; Torr. & Gray, Fl. i. 26.5, in 

 part; Hook. Fl. IJor.-Am. i. 125; Wats. Proc. Am. Acad. x. 334; Trelease, Proc. Calif. 

 Acad. Sci. ser. 2, i. 107, 114; I'arry, Proc. Davenp. Acad. v. 168; K. firandegee, Proc. Calif. 

 Acad. Sci. ser. 2, iv. 180. (J. Oref/ami.i, Nutt. in Torr. & Gray, Fl. i. 265; Hook. Bot. Mag. 

 t. 5177. — Brit. Columbia to N. California, Vreka, Greene, and Idaho. 



++ ++ Peduncles slender, from leafy shoots of the present season. 

 C. ovatus, Desk. Low shrub, with at length brownish or purplish tomentose or puberulent 

 glabnscent twigs: leaves rather narrowly elliptical, rounded or mostly acute at base, obtuse 

 to acute, scarcely paler beneath, becoming glabrous and glossy, crenate-serrulate, 1 to 2 

 inches long ; their petioles mostly 2 or 3 lines long : flowers in a single often short-pedun- 

 cled corymb terminating the branch, or a few additional similar or longer-pedunded clus- 

 ters from the upper leaf-axils : capsules nearly globo.se, somewhat lobod at top. smooth and 

 cre.>itle.«»s. — Hist. Arbr. & Arbris. ii. 381 ; Wats. 1. c. ; Trele:use. 1. c. 108; Parrv, 1. c. ; K. 

 Brandegee, 1. c. 179, 180. C. ova/is, Bigol. Fl. Bo.st. ed. 2, 92; Torr. & Grav, Fl. i. 265. 

 686 : Torr. Fl. N. Y. i. 145, t. 20. C. ffl,in,l,il„sus, Raf. New Fl. Am. iii. 57. — New England 

 to Manitoba, Color.ado, Texas, and Alabama. In the Southwest the larger leaves are not 

 infre(|uently ovate, but <leep green on both surf.ices and of the texture usual in C. oratns. 



Var. pubescens, Tokr. & Ghav. Persistently dingy villous-tomento.-ie : the dull leaves 

 usually very iiroadly elliptical : inflorescence of two or three corymbs near the top of the 

 often more elongated peduncle. —Torr. & (Jray, ace. to W.ats. Bibl. Index, 166; Trelea>*e, 

 I.e. 108. C.mollissimiis, Torr. in Fremont, Rep. 88. — Western limits of the species. A|>- 

 proaching the next. 



C. Anaericanus, L. (Nkw .Ikrsey Tka.) Low shrub with green or at length dull pur- 

 plish tomentose, puberulent or glabrous twigs: leaves ovate, rounded at baj^e, or rounded to 



