274 HTDROPHTLLACEAE 



48. P. vallicola Congdon. Stem simple or strictly branching, 6 to 12 inches 

 high, puberuleut and hispid, somewhat glandular; leaf -blades ovate or oblong- 

 elliptic, entire, strigose, prominently nerved, % to I14 inches long, on petioles V2 

 to nearly as long; racemes with the flowers a little discrete, becoming 2^^ to 3^/2 

 inches long; fruiting pedicels ascending, % to 1 line long; calyx-lobes spatulate 

 or narrowly obovate, exceeding the mature capsule; corolla lavender, tubular- 

 camijanulate, 2 to 2^/4 lines long, slightly longer than the calyx; scales narrowly 

 linear; stamens not exserted; style short, parted a little below the middle; ovules 

 12 to 15 in each cell ; capsule globose-ovate, shortly subulate-beaked ; seeds angular- 

 oblong, reticulate. 



Rocky outcrops on ridges and in mountain valleys, 1500 to 5300 feet : Sierra 

 Nevada from Tuolumne Co. to Mariposa Co. May. 



Locs.- — Long Barn, Tuolumne Co., Hoover 4398; Sugarpine Creek (head of), above Tosemite, 

 Bioletti; Hennessey Eanch, Mariposa Co., Lembcrt. 



Refs. — Phacelia VALLICOLA Congdon; Brand, Beitr. Hydroph. 7 (1911), typeloc. Hites Cove, 

 Mariposa Co., Congdon; Jepson, Man. 829 (1925). P. curvipes Torr. var. yosemitana Brand, Univ. 

 Cal. Pub!. Bot. 4:222 (1912), type loc. Tenaya TraU, Yosemite, Hall 8951. 



49. P. mohavensis Graj'. Stems slender, erect and usually strictly branched 

 or diffuse with many branches from the base, 2 to 7 (or 10) inches high; herbage 

 hispid and somewhat glandular-puberulent ; leaf -blades oblanceolate to linear, en- 

 tire or with 1 or 2 salient teeth or lobes on each side, ^'2 to IV2 inches long, narrowed 

 at base to a petiole 2 to 6 lines long ; racemes strict, at length 1 to 2 inches long, the 

 short pedicels erect; calyx-lobes spatulate or linear-spatulate ; corolla light blue or 

 pale purple with whitish center, campanulate, 2 to 2Y2 lines long; scales narrow 

 (semi-lanceolate), adnate, widely divergent from base of filament; stamens con- 

 spicuously exserted to included, the filaments mostly glabrous; style cleft about 

 % ; capsule globose, about % length of calyx ; seeds 4 to 8. 



Dry montane ridges or caiion sides, or moist flats or stream beds, 4000 to 7500 

 feet : southern Sierra Nevada in Tulare and Kern Cos. ; San Gabriel and San Ber- 

 nardino mountains on their desert slopes or northerly summits. May-June. 



Locs. — Southern Sierra Nevada: Trout Mdws., Little Kern River, Tulare Co., Jepson 4908 

 (det. R. F. Hoover) ; Piute Peak, Kern Co., Purpiis 5303. San Gabriel Mts.: betw. Pine Plata 

 and Chilao, Peirson 962; Big Pines (1 mi. vv. ), near Mescal Creek, Peirson 3164; Icehouse Canon, 

 San Antonio Mts., Parish 11,949. San Bernardino Mts.: Little Bear Valley, Hall 1003; Seeley's 

 Flat, Parish 2429; Bear Valley, Parish 3772. 



Refs. — Phacelia mohavensis Gray, Syn. Fl. 2:164 (1878), type loc. "se. Cal., on the Mohave 

 River" (that is, on the Mohave headwaters, n. slope of the San Bernardino Mts.), Palmer; Jepson, 

 Man. 827 (1925). P. mohavensis var. exilis Gray, I.e. 165, type loc. Bear Valley, San Bernardino 

 Mts., Parry 4" Lemmon. 



50. P. linearis Holz. Stems rigid, simple or racemosely or bushy-branched, 

 blue-glaucous, V2 to 1 or l^A feet high ; herbage puberulent and (usually) spreading- 

 hispid also; leaf -blades linear or linear-lanceolate, entire, rarely 2- toothed, or some- 

 times a few of them deeply 3 or 5-cleft into linear entire lobes, I/2 to 2V2 inches long, 

 mostly sessile ; racemes spike-like, disposed in a virgate or thyrsoid leafy panicle 

 (sometimes from base to summit of plant) ; calyx-lobes narrowly linear or spatulate- 

 linear, bristly-hirsute, exceeding the capsule; corolla violet or sometimes white, 

 open-campanulate, 3 to 5^2 lines long; scales long and narrow, free at the acute 

 apex, free from the filaments; stamens little or not at all exserted, the filaments 

 sparsely hairy near the middle ; style cleft about % ; capsule shortly beaked; ovules 

 12 to 16 ; seeds oblong, coarsely reticulate. 



Dry gravelly slopes or flats in the mountains, often abundant in sagebrush, 2000 

 to 4500 feet: northern Sierra Nevada (mostly transmontane) from Alpine Co. to 

 Modoc Co. and eastern Siskiyou Co. ; North Coast Ranges from Trinity Co. to west- 

 ern Siskiyou Co. East to Utah, north to Montana and British Columbia. June- Aug. 



Locs. — Sierra Nevada: Alpine Co. (Engler, Pflzr. 4=":110); Sierra Valley, e. Sierra Co., 

 S. B. Doten 36; Chat, Honey Lake Valley, Davy; Great Spr., Hat Creek, e. Shasta Co., Hall 4- 



