PLANE-TREE FAMILY 403 



23. Grossularia cruenta (Greene) Cov. & Britt. Coast Ranges Gooseberry. 



Fig. 2354. 



Ribes cruentum Greene, Pittonia 4:35. 1899. 



Ribes amictum var. cruentum Jancz. Mem. Soc. Geneve 35 : 366. 1907. 

 Grossularia cruenta Cov. & Britt. N. Amer. Fl. 22: 215. 1908. 

 Ribes Roeslii var. cruentum Jepson, Man. Fl. PI. Calif. 472. 1925. 



Shrub with spreading branches, mostly less than 1 m. long ; bristles none ; nodal spines 3, 

 acicular, IS mm. long or less; young shoots glabrous or puberulent. Leaves 2.5 cm. wide or 

 less, glabrous ; petioles slender, usually shorter than the blades, glabrous or sometimes puberu- 

 lent when young ; peduncles 1-2-flowered ; ovary bristly and sometimes with a few stalked 

 glands; hypanthium 5-7 mm. long, broadly cylindrical, reddish purple, glabrous or puberulent; 

 sepals lanceolate, reddish purple ; berry densely covered with spines, reddish. 



Wooded slopes, Arid Transition Zone; Siskiyou Mountains, southern Oregon, south through the Coast 

 Ranges to Sonoma County, California. Type locality: California Coast Ranges, from Sonoma County north- 

 ward. April-June. Bleeding Flower. 



24. Grossularia Roezlii (Regel) Cov. & Britt. Sierra Gooseberry. Fig. 2355. 



Ribes Roeslii Regel, Gartenfl. 28: 226. 1879. 



Ribes amictum Greene, Pittonia 1 : 69. 1887. 



Ribes Wilsonianum Greene, Erythea 3: 70. 1895. 



Grossularia Roezlii Cov. & Britt. N. Amer. Fl. 22: 215. 1908. 



Shrub mostly less than 1 m. high, the branches spreading ; bristles none ; nodal spines 

 acicular, 15 mm. long or less, brownish; young twigs slender, pubescent. Leaves 2.5 cm. wide 

 or less, thin, short-pubescent on both surfaces or sometimes nearly glabrous above; petioles 

 slender, short-pubescent and sometimes with a few short-stalked glands ; peduncles 1-3-flow- 

 ered, short-pubescent and with a few short-stalked glands ; ovary white-hairy and bristly ; 

 hypanthium 5-7 mm. long, pubescent, purple ; sepals lanceolate, 7-10 mm. long, purple ; berry 

 globose, light reddish purple, clothed with stout spines, these and the body of the fruit 

 pubescent. 



Open coniferous forests, Arid Transition Zone; Trinity Mountains and Mount Shasta region south through 

 the Sierra Nevada to southern California. Type locality: western North America. May-June. 



25. Grossularia amara (McClatchie) Cov. & Britt. Bitter Gooseberry. Fig. 2356. 



Ribes amarum McClatchie, Erythea 2:79. 1894. 



Ribes mariposanum Congdon, Erythea 7: 183. 1900. 



Ribes Mensiesii var. amarum Jancz. Mem. Soc. Geneve 35: 363. 1907. 



Grossularia amara Cov. & Britt. N. Amer. Fl. 22: 216. 1908. 



Shrub 2 m. high or less, the young twigs pubescent or puberulent and glandular, the 

 older ones smooth and brown ; nodal spines 1 cm. long or less, brown. Leaves 4 cm. wide 

 or less, pubescent and more or less glandular-puberulent on both surfaces ; petioles and 

 peduncles glandular-pubescent ; ovary densely glandular-bristly ; hypanthium 5-6 mm. long, 

 purplish, pubescent and with stalked glands ; sepals lanceolate, purple, pubescent, about half 

 as long as the hypanthium ; berry densely covered with short gland-tipped bristles, sub- 

 globose, 15-20 mm. in diameter. 



Wooded canyons, mainly Upper Sonoran Zone; Sierra Nevada, Mariposa County, south to southern Cali- 

 fornia. Type locality: canyons of the San Gabriel Mountains, California. March-April. 



26. Grossularia speciosa (Pursh) Cov. & Britt. Garnet Gooseberry. Fig. 2357. 



Ribes speciosum Pursh, Fl. Amer. Sept. 731. 1814. 



Ribes stamineum Smith in Rees, Cycl. 30: No. 30. 1815. 



Ribes fuchsioides Moc. & Sesse ex Berland. Mem. Soc. Geneve 32: 58. 1826. 



Robsonia speciosa Spach, Hist. Veg. 6: 181. 1838. 



Grossularia speciosa Cov. & Britt. N. Amer. Fl. 22: 212. 1908. 



Shrub 3 m. high or less, the branches bristly; nodal spines 3, stout and rigid, 1-2 cm. long. 



Leaves coriaceous, dark glossy green, semi-evergreen, glabrous or sparingly glandular, 1-4 cm. 



long ; peduncles drooping ; pedicels slender, glandular-bristly ; hypanthium 2-3 mm. long, 



glandular-bristly; sepals 4, not reflexed, 6-10 mm. long, bright red; filaments 2-4 times as 



long as the sepals, red ; berry glandular-bristly. 



Wooded canyons and hillsides, Upper Sonoran Zone; Coast Ranges from Santa Clara County to San Diego 

 County, California. Type locality: California. March-May. 



Family 62. PLATANACEAE. 



Plane-tree Family. 



Large trees, with thin exfoliating bark and watery sap. Leaves alternate, de- 

 ciduous, petioled, palmately lobed. Stipules thin sheathing, entire or toothed. 

 Flowers minute, bracted, monoecious, in dense pedunculate heads. Calyx minute, 

 of 3-8 minute scale-like sepals. Petals minute, 3-6. those of the pistillate flowers 



