152 SAXIFRAGACEAE 



Lnsson Co., Xutting; Twclve-milo Creek, e. of Mt. Birlwell, Manning; Warner Eiver, Modoc Co., 

 Manning 96; Taylor Creek, Forestdale, Modoc Co., M. S. Baker 546; Goose Valley, Shasta Co., 

 M. S. Bakrr: Yreka Creek, Siskiyou Co., Butler 1362; Potter Valley, Mendocino Co., Piirpns 

 (loaves a little more pubescent than usual). 



Var. klamathense Jepson. Leaves villous; calyx thinly hirsute; berry black. — Humboldt 

 Co. to Siskivou Co.: Twin Valleys, Shasta Co., M. S. Bal-er 295; Goose Valley, Shasta Co., Nut- 

 ting; Yrokn, Butler 641, 1160 ; Sisson, Siskiyou Co., Jepson 13,509 ; Hupa, Chandler 1320. North 

 to southern Oregon. The following are intergrades towards K. divaricatum Dougl.: Hupa, Hum- 

 boldt Co., Manning; Buck Mt., Humboldt Co., Tranj 2767. 



Kefs.— RiBES INI31ME Rydb. Mem. N. Y. Bot. Card. 1:202 (1900), type loc. Slough Creek, 

 Yellowstone Park, Tweedy 830; Jepson, Man. 471 (1925). Grossularia inermis Cov. & Britt. 

 N. Am. Fl. 22:224 (1908). li. oxyacanthoides var. saxosum Cov. Contrib. U. S. Nat. Herb. 4:100 

 (1893). B. oxyacanthoides var. nevadense Jancz. Mem. Soc. Gen5ve 35:387 (1907), type loc 

 Mt. Moses. Var. klamathense Jepson, Man. 472 (1925). Groasidaria Mamathensis Cov. N. 

 Am. Fl. 22:225 (1908), type loc. Keno, Klamath Co., Ore., Applegate 2008. 



14. R. leptanthum Gray var. lasianthum Jepson. Alpine Gooseberry. 

 Freely, intricately and rigidly branched, forming low round bushes 1 to 3 feet 

 high ; bark white, shreddy ; stems with 1 to 3 slender spines at the nodes, rarely 

 with prickles; leaves minutely puberulent or nearly glabrous, 4 to 6 lines wide, 

 roundish, deeply cleft, the petioles pubescent ; racemes 1 or 2 (rarely 3 or 4) -flow- 

 ered; calyx yellow, its tube cylindrical, 3 to 4 lines long (2 to 3 times as long as 

 broad), hairy-pubescent, often annular-dilated above the ovary; petals white, 

 equaling the stamens; ovary glabrous; berry glabrous, smooth, crimson, 3 lines in 

 diameter. 



High mountains, 7000 to 10,000 feet : Sierra Nevada. June- Aug. 



Locs. — Castle Peak, Nevada Co., Keller 7088; Keith Dome, Glen Alpine, Eldorado Co., 

 Pendleton tf Heed 1057 ; Lake Merced, Merced River, Jepson 3199 ; Farewell Gap, Jepson 996. 



Refs. — RiBES LEPTAi^THUM Gray, Mem. Am. Acad. ser. 2, 4:53 (1849), Rio del Norte near 

 Santa Fe, Fendler 254. Var. lasianthum Jepson, Man. 472 (1925). E. lasianthum Greene, 

 Pitt. 3:22 (1896), type loc Castle Peak, Greene. Grossularia lasiantha Cov. & Britt., N. Am. 

 Fl. 22:219 (1908). 



15. R. quercetorum Greene. Rock Gooseberry. Rounded shrub 2 to 5 feet 

 high, verj' densely involved on account of the horizontally spreading or recurving 

 branches; stems not at all or only sparingly bristly; spines mostly solitary'; leaf- 

 blades deeply cleft and incised-toothed, finely puberulent, rarely subglabrous, 

 usually minutely glandular, 4 to 6 (or 9) lines broad; flowers 3 to 4 lines long; 

 calyx-lobes little longer than the petals ; calyx yellow, puberulent, its tube nearly 

 as broad as long in earlj' anthesis; petals yellow, narrowly oblong-spatulate, a 

 little longer than the stamens; style glabrous, undivided or nearly so; ovary and 

 berry glabrous and smooth; berry 2^/^ to 3 lines in diameter. 



Foothills, on open oak-covered or rocky slopes, 800 to 3000 feet : Sierra Nevada 

 from Tuolumne Co. to Kern Co. ; South Coast Ranges from Alameda Co. to San 

 Luis Obispo Co.; Tehachapi Mts.; in or near the San Jacinto Range and southward. 

 Lower California, Arizona. Feb. -Mar. 



Habit note. — In the Mt. Hamilton Range the quite erect stems are frequently many from 

 the base, their branches recurving or drooping, so that the outline of the bush is, in a way, vase- 

 shape but exaggerated in breadth. 



Locs. — Sierra Nevada foothills: near Mountain Pass, Tuolumne Co., A. L. Grant 624; 

 "White Rock and Mormon Bar, Mariposa Co., Congdon; Middle Tule River, Purpus 5073. South 

 Coast Ranges: Arroyo Mocho, Mt. Hamilton Range, Jepson 10,672; Priest Valley, San Carlos 

 Range, Jepson 2669; Paso Robles, Barber; near Mustang Peak, se. Monterey Co., Jepson 16,169; 

 Palo Prieto Canon, San Luis Obispo Co., Jepson. Tehachapi Mts.: Girard sta., Kern Co., Heller 

 7708; Keene, Kern Co., K. Brandegee. S. Cal.: San Bernardino, Parish 3630; Box Springs Mt., 

 Riverside, F. M. Reed 2245; Warner Ranch, San Diego Co., T. Brandegee; Grapevine Spr., w. 

 Colorado Desert, T. Brandegee. 



Refs. — RiBES QUERCETORUM Greene, Bull. Cal. Acad. 1:83 (1885), type loc. Paso Robles, 

 Greene; Jepson, Man. 472 (1925). E. leptanthum var. quercetorum Jancz. Mem. Soc. Geneve 

 35:380 (1907). E. congdonii Hel. Muhl. 1:101 (1904). E. velutinum var. congdonii Jancz. I.e. 

 381 (1907). 



