450 B USH-FB UITS 



4. R. AMARUM, McClatchie. 



"Shrub 3-8 feet (1-3 meters) high, rigid stems and branches 

 beset with yellowish brown (commonly triple) spines, often 

 setose -hispid; leaves, inflorescence and young branches glandular- 

 pubescent and bitterish fragrant, leaves thin, /^-1% inches (15- 

 40 mm.) broad, 3-5 lobed and incised; peduncles 1- or 2-flowered, 

 3-5 lines (6-12 mm.) long; pedicels each with a round-ovate 

 2-4 (usually 3) lobed bract, about three lines (6 mm.) long; 

 flowers 3-4 inches long, calyx-tube oblong-campanulate, 3 lines 

 (6 mm.) long, segments purplish red, reflexed, 4 lines (8 mm.) 

 long, tips greenish, especially on back; petals pinkish white, 

 red-streaked near base on inside, 2 lines (4 mm.) long, strongly 

 involute, suborbicular when flattened out, rounded and erose- 

 toothed at summit; pinkish filaments equaling or slightly exceed- 

 ing the petals; anthers sagittate, ovate-oblong, mucronate, 

 purplish, ovary densely grandular hairy ; mature berry /2-% inch 

 (12-20 mm.) in diameter, densely covered with glandular bristles 

 which produce a very bitter secretion ; pulp sweet." — McClatchie, 

 Erythea, 2, 79. 



This is very closely related to B. suhvestitum, Hook. & Arn. 



Described from southern California. Found in shaded canons. 



5. R. Californicum, Hook. & Arn. (Fig. 83.) 



Shrub 2-4 feet (6-12 decimeters) high, with rigid, zigzag, 

 glabrous branches, thorns slender, brownish red like the branches, 

 mostly single; leaves small, X inch (12 mm.) in diameter, 3-5 

 lobed, roundish, not viscid nor heavy scented, glabrous when 

 mature ; peduncles short, 1-3 flowered, pedicels short, each with 

 a persistent, small, round-ovate bract at the base; calyx lobes 

 lurid purple, petals white, thick, strongly involute, truncate and 

 irregularly toothed at summit, reaching the base of the anthers; 

 anthers ovate-oblong, purple-red, prominent; ovary glandular- 

 hispid; berry large, prickly, not gummy. 



Found in California on bleak hills, blooming earlier than 

 other species, with a pleasant flowery odor. 



6. R. RoEZLi, Regel.* 



Low, much-branched shrub, branches glabrous, twigs pubes- 

 cent; leaves, 3-5 lobed, glabrous on both sides, lobes rounded, 

 doubly and coarsely dento-crenate toward the apex, petiole 

 pubescent, setose-ciliate at the base; spines 1-3, slender, spread- 

 ing; peduncles 1- to 2-flowered, puberulent, pedicels subtended 

 by a broad truncate bract, which is pubescent at the margins, 



*Gartenflora 1879 : 226. Tafel 982. 



