Ceatiothus. Itll A.MNAfK.K. 41| 



C. arboreus, Okkknk. Small tno. with at first angled prav-iiul.cruloiit at length glal.ns- 

 ifiit n(l(li>h iitid glossy twigs: Icavis oUiptic-ovaic, Mul>t:«r<luto or rouiidf<l at liiwe, or 

 alirnpilv short-iiiiieate along the lateral nerves, mostly ohtuse to suliacutc, dark green, dull 

 and glahrate or microscopically downy above, densely hut microscopicaily white-tonientoso 

 beneath, l^ to .'3 inches long; their stout canescent peticdes 4 lines long: pe<luncle8 <anes- 

 cent : Howers jjale blue : capsules suliglobose or depressed, 4 lines in diameter, wareely lolK?d, 

 wrinkled, strongly cristate. — Hull. Calif. Acad. Sci. ii. 144; TreleiUM-, 1. c. 110, 115; I'arrv, 

 1. c. 169, 187; Hramlegee, I'roc. Calif. Acail. Sci. ser. 2, i. 20H ; K. IJraudegee, 1. c. 192. 

 C. i-etiiliiiiis, var. iiiliiiniis, Sargent, (iard. & For. ii. 304, & Silv, ii. 4.5, t 0.5. — Islands off tho 

 Californian coast, Sta. Cruz, (intne, Sla. Calalina, AullnU, Lyon, Jhu-iilsmi, Bntudegte, 

 FriUhey, Mrs. Trask. 



■t— 4. Leaves medium-sized, rather thin, normally entire: inflorescence comj)OUhd, elon- 

 gated, on few-leaved branches : fruit 2 to 3 lines in diameter. 



-H- Twigs slightly angled when young, neither rigidly divaricate nor spinose: leaves decid- 

 uous, at least the largest 3-nerved, mostly ohtu.se : inflorescence commonly rather den.se. 

 C. parvifolius, Trki.e.vsk. slender and low, with olive glabrous flexible twigs: leaves 

 elliptical, acute at base, mostly mucronulate, glai)rous, 4 to 8 lines long: inflorescence 

 oblong, subsimjile, about an inch long ; the naked peduncle 2 or 3 inches long : flowers blue : 

 cai)sulcs 2^ lines iu diameter, nearly smooth and crestle.ss. — Proc. Calif. Acad. Sci. ser. 2, 

 i. 110. C. inti(jeirimus, var.? jxirvijionis, Wats. Proc. Am. Acad. x. 334. C. inteyerrimus, 

 var. '. parvifolius, Wats. Hot. Calif, i. 102; K. Hrandegce, 1. c. 183. ('. inteyerrimus. Parry, 

 1. c. 172, in part. — California, in the Yoseniite region. 



C. Andersoni, Parrv. Tall shrub, with green or at length ])urplisli glabrescent twigs: 

 leaves narrowly ellijitical or ellii)tic-oblong. mostly acute at base, usually very obtu.se, often 

 mucronulate, half inch to inch long: inflorescence from narrow to quite broad, 2 (when 

 simple) to 4 inches (when com])ound) long, or in fruit double this length, equalled by the 

 often nearly leafless at length rather stout peduncles: flowers white : capsules nearly gl<»- 

 bose, 2 lines in diameter, lobe,!, smooth and crestless. — Proc. Davenp. Acad. v. 172. 

 ('. iiitiyerrimiis, K. IJraudegee, 1. c. 181, in part. — Sta. Cruz Mountains, California. 



C. integerrimus, Hook. & Aus. Tall shrub with green or at length somewhat brown 

 glabrescent sometimes irregularly and sparlugly low-verruco.se rather stiff twigs : leaves 

 broadly ellii)tical to ovate, rounded at base, sometimes acute, somewhat loosely hairy above 

 at least when young, lighter green and glabrescent or with a few soft hairs beneath, 1 to 3 

 inches long, their very slender somewhat long-hairy petioles 3 or 4 lines long : inflorescence 

 3 or 4 to 6 or 7 inches long, 1 to 4 inches thick : flowers blue varying to white : capsules 

 sub])yriform, 2| to 3 lines in diameter, somewhat lobed at top, nearly smooth, and with low 

 but broad deeply dorsal evanescent crests. — Bot. Heccli. 329 ; Torr. & Gray, Fl. i. 686 ; 

 Wats. 1. c. 334 ; Trelea.se, 1. c. 109 ; Parry, 1. c. 172, in part; K. Brandegee, 1. c. 181, in part. 

 C. Californicus, Kellogg, Proc. Calif. Acad. Sci. i. 5.5. C. Nemdeiisis, Kellogg, 1. c. ii. 152, 

 f. 45. C. thyrslflorus, var. macrothyrsus, Torr. Bot. Wilkes Exped. 263. — Klikitat Co., 

 Wa^shington, Suksdorf, to the Yosemite region, California; S. E. Arizona, Smart, Leinmou, 

 Palmer. No characters have as yet been detected by which the specimens from Arizona cau 

 be separated, although far out of the usual range of the species. 



++ ++ Twigs usually angled, often twisted : leaves evergreen, rather firm or even cori- 

 aceous, most of them obscurely if at all 3-nerved : inflorescence lax. 



C. Palmeri, Trelease. Twigs green, glabrous, excei>tionally glauce.-^cent, neither rigi<lly 

 divaricate nor spinose: leaves elliptical or elliptic-lanceolate, rounded or sultacute at ba.se, 

 obtuse or emarginate, green, slightly glaucous on the lower surface, firm but rather thin, 

 soon nearly or (piite glabrous, 1 to Ii inches long, their slender petioles 2 to 4 lines long: 

 inflorescence 2 to 3 or at length 6 inches long, the stout peduncle few-leaved below : flowers 

 white: ca])sules about 3 lines in diameter, .somewhat roughened and narrowly crested. — 

 Proc. Calif. Acad. Sci. ser. 2, i. 109. C. intryrrimus. Parry, 1. c. 172, in part. — San Diego 

 Co.. California, about Cuiamaca, Palmer, Ornttt, lirandryee. 



C. spinosus, NiTT. Tall shrub or almost arl)ore.scent, with at length cinnamon-brown 

 more or less divariaite sparingly sleuder-spiny glabrous twigs: leaves elliptical (on vigorous 



