BUCKWHEAT FAMILY 415 



base of Mt. Diablo (see type sheet in Gray Herbarium) and not "summit of the eastern 

 peak. ' ' 



30. E. saxatile Wats. Flowering stems erect, naked, paniculately 1 or 

 2-forked, tomentulose, % to 1 (or 2) feet high, arising from a woody caudex; 

 caudex simple or branched, 2 to 5 inches high, densely crowded or even im- 

 bricated with leaves; leaves covered with a dense silvery felt, roundish to 

 round-ovate, shortly acute, y to 1 (or l 1 /^) inches long, shortly petioled; 

 involucres tomentulose, iy 2 to 2 lines long, scattered along the branches of 

 the panicle; calyx white or pale yellowish, glabrous, 3 to 4 lines long, grad- 

 ually narrowed to a stipe-like 3-angled or 3-carinate base as long as the, 

 segments; inner calyx segments obovate, rather exceeding the narrower outer 

 ones; filaments hairy at very base. 



Mountain sides, 3000 to 8500 feet: Southern California, north in the Sierra 

 Nevada to the Kaweah River and in the Coast Ranges to the Santa Lucia Mts. 



Loes. Mt. San Jacinto, Hall 2324; San Bernardino Mts. (Little Bear Valley), Hall 1005, 

 1294; Pahute Peak, Purpus 5325; Kernville and Sequoia Mills, Brandegee; Big Arroyo, Kern 

 River, Jepson 4989; Santa Lucia Mts., Jepson 4737; Mt. Hamilton (Erythea, 1:84). 



Refs. ERIOGONUM SAXATILE Wats. Proc. Am. Acad. 12: 267 (1877), type specimens from 

 San Bernardino Mts., Parry, and Santa Lucia Mts., Palmer. Var. bloomeri Wats.; Parish, 

 Erythea, 6: 88 (1898), type loc. San Bernardino Mts., Parish 1664, 3785; E. bloomeri Parish, 

 1. c. 87. E. stokeseae Jones, Contrib. 8: 39 (1898), type loc. Pleasant Canon, Panamint Mts., 

 Jones. 



31. E. elongatum Benth. Flowering stems erect, slender, leafless, simple or 

 strictly branching, 1 to 4 feet high, arising from a branching base composed 

 of leafy stems 3 to 9 inches high; herbage whitish-tomentulose throughout, 

 the leaves beneath densely white-tomentose, above glabrate; leaves scattered 

 or congested, ovate to oblong-lanceolate, acute, the margin undulate, 1 to 

 iy 2 inches long, narrowed to a short petiole; involucres remotely scattered 

 along the elongated stems or branches, cylindric, 3y 2 lines long, truncate or 

 obscurely toothed; calyx white, glabrous save a little hairiness on midveins 

 inside, iy 2 lines long, its segments obovate, obtuse, the inner slightly longer 

 than the outer; filaments glabrous. 



Mountain sides and canons near the coast from Monterey Co. to San Diego 

 and east to Banning. Lower California. 



Locs. San Bernardino, Parish 4203; Claremont, Elizabeth Palmer; Leonis Valley, Davy; 

 Santa Lucia Mts., Jepson 2588 (Big Sur River), 4736 (Santa Lucia Peak). 



Ref. ERIOGONUM ELONGATUM Benth. Bot. Sulph. 45 (1844), type loc. San Pedro. 



32. E. wrightii Torr. Flowering stems several, 4 to 12 inches high, aris- 

 ing from a much-branched woody base with erect very leafy short branches; 

 leaves obovate or oblanceolate, acute, white-tomentose, 2 to 6 lines long, 

 short-petioled, often with smaller ones fascicled in the axils, or the lowermost 

 twice as long with longer petioles; peduncles short, once or twice di- or tri- 

 chotomous, the branches erect and rather strict; involucres scattered along 

 the branches or congested towards the ends, campanulate-tubular, prominently 

 but obtusely angled and woolly between the angles; calyx white or pink, 

 V/ 2 lines long, its segments obovate, rounded at apex, the inner longer than 

 the outer. 



Stream beds or mountain slopes : Sierra Nevada, Coast Ranges towards the 

 interior, and Southern California. East to Texas. 



Locs. Putah Creek, Jepson; Corral Hollow, Brewer 846; Donner Lake, Heller 7165; be- 

 tween Glenbrook and Carson, K. Brandegee; Silliman Creek, Tulare Co., K. Brandegee; Soda 

 Canon, Sawtooth Range, Jepson 1112; Little Kern, Purpus 2099; Lanfair, Mohave Desert, 

 Maye L. Tennent. 



Var. subscaposum Wats. Leafy branches short, forming a close dense mat 

 with short flowering stems; calyx smaller, with the segments less narrowed at 

 base. High montane. 





