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, tomeutulose, 14 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, 14 to 1 (or li/o) inches long, shortly petioled; 

 involucres tomentulose, IV2 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 th(j 

 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. 



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

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

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



Refs. — Erio<!ONUm 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 Caiion, 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 

 11/2 inches long, narrowed to a short petiole; involucres remotely scattered 

 along the elongated stems or branches, cylindric, 31/. lines long, truncate or 

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

 inside, li/-. 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; (Jlaremont, Elizabeth Palmer; Leonis Valley, Davy; 

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



Ref. — ERioiiONTM 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, 

 11/2 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; Ponner Lake, Heller 7165; be- 

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

 Caiion, 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 fiowering stems; calyx smaller, with the segments less narrowed at 

 base. — High montane. 



