CBANOTHUS. VITACE^. 113 



southern California. 



C. oordulatus Kell. Proc. Cal. Acad, ii, 124, fig. 39. A densely ces- 

 pitose erect shrub with intricate branches and spinose branchlets, 4—6 

 feet high, hlrsutely pubescent with short erect or spreading hairs and 

 cinereous: leaves oval tO elliptical or oblong, 6—12 lines long, rounded 

 or subcordate at base, finely glandular-serrulate, densely tomentose 

 beneath, somewhat coriaceous on slender petioles 3—6 lines long, de- 

 ciduous: flowers white, in racemes or fascicles: styles united to 

 near the summit, shorter than the stamens. In the mountains of 

 southern Oregon and California. 



§ 2 Cerastes Watson 1. c. Leaves mostly opposite, l-ribbed, 

 with numerous straight parallel veins, very thick and coriace- 

 ous, spinosely toothed or entire. Flowers in sessile or short-ped- 

 uncled axillary clusters. Fruit large, with 3 horn-like or warty 

 processes below the summit. 



C. cuneatns Nutt. 1. c. An erect shrub 2 — 12 feet high with rigid 

 intricate branches; the young branches white with a Villous tomen- 

 tum, at length smooth and whitish: leaves cuneate-obovate or ob- 

 long, rounded or retuse above, entii* or rarely few-toothed, minutely 

 tomentose beheath, on 'short rather slender petioles: flowers white or 

 rarely light blue, in rather loose axillary fascicles. On dry hillsides, 

 from the lower Willamette (the original localit.y,) to Lower California. 



C. pniuilis Greene Eryth. i, 149. A rigid depi-essed -much branched 

 under shrub: branches 6—18 inches long, rooting at the nodes and • 

 forming mats 1 — 3 feet in diameter: leaves cuneate-oblong to obo- 

 vate, 2—6 lines long, entire to spinose-dentate, but mostly 3-toothed at 

 the apex, very minutely white-tomentose between the veins beneath, 

 very short petioled: flowers bright blue to white, fascicled at the ends 

 of short lateral branches; pedicels filiform, 6—8 lines long; sepals 

 ovate, spreading, nearly a line long; styles united to the top, shorter 

 than the stamens. On dry hillsides, about Waldo, Josephine Co., Ore- 

 gon. 



C. prostratus Benth. PI. Hartw. 302. (Mahala Mats). Glabrous, 

 prostrate, the branches rooting and repeatedly subdivided, the whole 

 forming a close mat 2—8 feet in diameter: leaves 3 — 12 lines long, ob- 

 ovate or oblong-cimeiform, obtuse or truncate, with 2 or 3 pairs of 

 coarse spinose teeth above the middle, on short slender petioles: flow- 

 ers dark blue to white, clustered at the ends of short stout peduncles: 

 fruit large, with erect horns. In open pine forests, Washington to Cal- 

 ifornia. 



Order XXIII VIT.\CE^ Lindl. Nat. Syst. ed. 2, 30. 



Mostly climbing shrubs with simple or compound leaves, 

 the upper ones opposite the racemes or thyrsoid panicles of 

 small flowers, or tendrils. Calyx minute, nearly entire or 5- 

 toothed. Petals 4 or 5, inserted upon the outside of an annu- 

 lar disk, inflexed, valvate in the bud, caducous. Stamens as 

 many as petals and opposite them, inserted on the surface of 

 the disk. Ovary 2 celled, with two collateral ovules in each 

 cell. Style short or none : stigma simple. Fruit a globose, 

 mostly pulpy berry, often by abortion 1-celled. Seeds anatro- 

 pous, erect, with a hard testa. Embryo much shorter than the 

 norny or fleshy albumen : radicle slender. Cotyledons lanceo- 

 late or subulate. 



