GROSSULARIACEAE. 173 



many-flowered. Pedicels jointed below the ovary, 

 usually with a pair of bractlets just below the joint. 

 Ovary not spiny. Fruit disarticulating from the pedicel. 



Stems bristly; calyx saucer-shaped. 1. R. mofitigenum. 



Stems not bristly. 



Calyx smooth, yellow; leaves involute in 



the bud. 2. R. gracillimum. 



Calyx pubescent, not yellow; leaves plicate 

 in bud. 

 Leaves evergreen, holly-like. 3. R. viburnifolium. 



Leaves deciduous, not holly-like. 



Bracts herbaceous, toothed. 4. R. cereiim. 



Bracts scarious, entire or ciliate. 



Style glabrous; ovary with only 



gland-tipped hairs. 5. R. nevadense. 



Style villous below; ovary canes- 

 cent. 

 Flowers pink or purple, 8-10 



mm. long. 6. R. malvaceum. 



Flowers white or greenish- 

 white, 3-4 mm. long. 7. R. indecorum. 



\. R. montigenum McClatchie. A spreading shrub, 3-6 dm. 

 high, the stems more or less bristly, with short nodal spines; leaves 

 usually about 2 cm, wide, deeply 5-lobed or cleft, the lobes incised 

 serrate, more or less pubescent and glandular; racemes short, few- 

 flowered; calyx-tube saucershaped, glandular bristly; the lobes 

 3-4 mm. long; berries red, glandular-bristly. 



Widely distributed through the mountains of western America, 

 usually at high altitudes; summit of Mt. San Antonio. 



2. R. gracillimum Coville & Britton. Shrub, 8-15 dm. high, 

 nearly glabrous, glandless; leaves ovate to rounded in outline, 

 about 2 cm. wide, 3-lobed and sparingly dentate; racemes 5-15- 

 flowered; 5 cm. long; calyx yellow, the tube 6-8 mm. long, the 

 lobes oval, 3-4 mm. long; petals obovate, 2-3 mm. long. 



On partially wooded slopes and ravines; central and southern 

 California; Eaton's Wash near Pasadena; Los Angeles River, San 

 Fernando Valley. 



3. R. viburnifolium Gray. An evergreen, staggling shrub with 

 resinous-glandular twigs; leaves thick, resinous dotted beneath, 

 ovate to obovate, sparingly repand dentate or sometimes entire; 

 racemes few-several-flowered; pedicels filiform; calyx tube turbinate, 

 the lobes oval, rose-colored, spreading; petals greenish, very small. 



On the islands off the coast of southern California and on the 

 mainland in San Diego County, and Lower California. 



4. R. cereum Dougl. An erect much branched unarmed shrub, 

 4-10 dm. high, minutely pubescent and usually resinous-dotted; 

 leaves rounded or reniform, 15-25 mm. wide, more or less 3-lobed, 

 crenately toothed, of rather firm texture; racemes drooping, closely 



