464 



RHAMNACEAE 



5. C. papillosus T. & G. Bexxie Busii. (Fig. 228.) Open irregularly .spread- 

 ing shrub. 4 t() G feet high; foliage and inflorescence usually crowded on the 

 branches; stems and peduncles hir.sutulo.se; leaf-blades oblong to linear, or even 

 narrowly linear by the strong revolution of the margin, i/2 ^o 21/4 inches long, ob- 

 tuse at base, rounded or truncate at summit, the upper surface deep green, mi- 

 nutely hirsutulose, usually corrugated or roughened and thickly sprinkled with 

 glandular-papillate protuberances, the lower surface pale pubescent or more com- 

 monly densely whitish felt-like and often in addition hispidulose; panicles simple, 

 eylindric or veiy short-cylindric, usually dense, I/2 to 1% inches long, the peduncles 

 naked, solitary or clustered, as long or often much longer; flowers blue; capsules 

 distinctly 3-lobed with low narrow or lineate 



crests, IV2 lines broad. 



Dry hill slopes, 25 to 3250 feet : near the 

 coast from Santa Cruz Co. to IMonterey Co.; 

 Santa Ana Mts., Orange Co. May-June. 



Locs. — Santa Cruz (11. of), Jepson 9776a; Monte- 

 rey, E. K. Abiott; Cold Spr. near Posts, Monterey 

 coast, Jepson 2600 ; Tassajara Hot Sprs., Elmer 3342 ; 

 Arroyo Seco, Santa Lucia Mts., E. K. Abbott 3 ; Santa 

 Lucia Peak, Jepson 4741; Holy Jim Canon, Santa 

 Ana Mts., Peirson 3492. Var. regius Jepson, the 

 leaves less papillose, is a form in southern San Mateo 

 Co. 



Eefs. — Ceanothus papilix)sus T. & G. Fl. N. 

 Am. 1:268 (1838), type from Cal., Douglas; Jepson, 

 Fl. W. Mid. Cal. 257 (1901), ed. 2, 254 (1911), Man. 



617 (1925) ; Paxton's Fl. Gard. 1:74, fig. 50 (1851). 

 C. dentaius var. papillosus K. Bdg. Proc. Cal. Acad, 

 ser. 2, 4:203 (1894). Var. regius Jepson, Man. 618 

 (1925), type loc. Kings Mt., San Mateo Co., C. F. 

 Baker 804'. 



6. C. dentatus T. & G. Sand Scrub. 

 Low densely branched shrub 1 to 3 feet high ; 

 branchlets and peduncles tomentulose or pi- 

 lose; leaf -blades obovate or elliptical, becom- 

 ing strongly or irregularly revolute and 

 therefore narrow or irregular in outline, usu- 

 ally truncate or retuse at apex, the infolding 



of the margin often such as to increase the prominence of the apical notch, pubes- 

 cent on both surfaces and pale or whitened below, glandular-papillate on the (ap- 

 parent) margin, 3 to 5 (or 12) lines long but of very unequal size; panicles simple, 

 eylindric to globose, I/2 to I14 inches long, on leafy peduncles nearly as long; 

 flowers blue; capsules 2 lines broad, with prominent thin crests. 



Sandy hills and mountain slopes, 20 to 2500 feet : along the coast from Mon- 

 terey Co. to San Luis Obispo Co. Apr.-June. 



Locs. — Pajaro Hills, Chandler 401; Monterey, Jepson 2994, 9768; San Simeon, K. Bran- 

 degee. 



Var. floribundus Trel. Flowers in. dense globose subsessile clusters which closely crowd 

 the branches. — Monterey. 



Var. impressus Trel. Prostrate; leaf -blades roundish, with deep straight furrows or im- 

 pressions on the upper surface over the veins. — Along the northern Santa Barbara and southern 

 San Luis Obispo coasts: Surf, Elmer 3870; Nipomo mesa, McMinn 4339. 



Eefs.— Ceanothus dentatus T. & G. Fl. 1:268 (1838), tvpe from Cal., Douglas; Torr. 

 Bot. Mex. Bound. 46, pi. 10 (1859) ; Jepson, Fl. W. Mid. Cal. 257 (1901), ed. 2, 254 (1911), Man. 



618 (1925). Var. floribundus Trel.; Gray, Syn. Fl. r:415 (1897) ; Jepson, Man. 618 (1925). 

 C. floribundus Hook. Bot. Mag. t. 4806 (1854), collected in Cal. (TFm. Lobb 23), doubtless in the 

 South Coast Eanges. Var. impressus Trel.; Gray, Syn. Fl. 1^:415 (1897); Jepson, Man. 618 



Fig. 228. Ceanothus papillosus T. 

 & G. a, flowering branch, X % ; &, fl., 

 X 21/2; c, capsule, X 21/0. 



