PHACELIA FAMILY 287 



w. of Calico Mts., Jepson 6696; Barstow, Jepson 5367; Jim Grey sta., Jepson 15,565; Kramer, 

 Jepson 18,376; Lancaster (6% mi. w.), Jepson 17,051; Little Rock Creek, n. slope San Gabriel 

 Mts., Peirson 2415. Colorado Desert: Chuckwalla Bench, Schellenger; Cottonwood Spr., Eagle 

 Mts., Jepson 12,548; Andreas Cafion, Mt. San Jacinto, Newlon 447; Palm Carton of San Ysidro, 

 C. V. Meyer 58 ; Vallecito, e. San Diego Co., Jepson 8577 ; Cuyamaca Mts., Newlon 362. 



Kefs. — Nama demissdm Gray, Proc. Am. Acad. 8:283 (1870) ; type loc. deserts of Nevada, 

 Fremont; Jepson, Man. 832 (1925). Marilaunidium demissum Ktze., Rev. Gen. PI. 2:434 (1S91). 

 Conanthus demissus Hel., Cat. N. Am. PI. 6 (1898). N. demissum var. deserti Brand; Engler, 

 Pflzr. 4-^':159 (1913), type loc. VictorviUe, Mohave Desert, Grinnell; C. L. Hitchcock, Am. Jour. 

 Bot. 20 :531 (1933). N. demissum var. covillei Brand, I.e., type loc. Puneral Mts., Coville 4' Funston 

 453; leaf-blades rhombic-obovate. N. demissum var. lineare C. L. Hitehc, Am. Jour. Bot. 20:531 

 (1933), type loc. San Gregorio, L. Cal., T. Brandcgee; leaves linear, calyces grayish-pilose. 



6. N. pusillum Lemmon. Steins 3 to 5 from the base, prostrate, leafy, diebo- 

 tomously brancbing, % to 2% incbes long, endiug in cymose flower-clusters ; herb- 

 age hirsute-pubescent ; leaf -blades broadly ovate, 1 to 2i/^ lines long, rather abruptly 

 contracted into a petiole nearly or quite as long ; calyx-lobes linear, densely hirsute; 

 corolla white, cylindric with narrow abrupt limb, IV2 to 1% lines long; capsule 

 elliptic, IVs lines long, the cells 8 to 16-seeded. 



Stony desert mesas, 500 to 5000 feet : Inyo Co. ; Mohave Desert ; eastern Colo- 

 rado Desert. Apr.-May. 



Locs. — Inyo Co.: Emigrant Caiion, Death Valley, Parish 10,192. Mohave Desert: Amboy 

 Crater, Jepson 20,321; Baker (15 mi. n.), Peirson 9954; Ludlow, HaH 6110; Paradise Mts. (4 mi. 

 ne.), Jepson 17,253; Calico, Parish 9809; Kramer, K. Brandegee. Colorado Desert: Mule Sprs., 

 e. Riverside Co., Hall 5963. 



Refs. — Nama pusillum Lemmon; Gray, Proc. Am. Acad. 20:305 (1885), type loc. Fort 

 Mohave, se. border of Cal., Lemmon; Jepson, Man. 833 (1925). Conanthus pusillum Lemmon; 

 Hel., Cat. N. Am. PI. 6 (1898). 



7. N. depressum Lemmon. Stems 3 to 8, decumbent or ascending from the 

 basal rosette of leaves, naked or nearly so below the leafy dichotomous cyme, 1 to 

 3y2 inches long; herbage puberulent; leaf -blades linear-oblauceolate, 2 to 6 lines 

 long, gradually attenuate into a petiole 1 to 4 lines long; calj^-lobes linear, thinly 

 hirsute-ciliate ; corolla white, cylindric with narrow border, l^/^ to 2 lines long, its 

 lobes erenulate, the lower one with 2 dots ; capsule oblong, ll^ to l^/^ lines long, the 

 cells about 8 to 12-seeded. 



Sandy desert fiats or mesas, 2000 to 4000 feet : Inyo Co. ; Sierra Nevada in Kern 

 Co. ; central and eastern Mohave Desert. May-June. 



Locs. — Inyo Co.: Independence, Sail Sr Chandler 7293. Sierra Nevada in Kern Co.: Kern- 

 ville, T. Brandegee. Mohave Desert: Rabbit Sprs. (Am. Jour. Bot. 20:533); Barstow, Jepson 

 5424; Calico, Lemmon 3136; Amboy, Curran. 



Refs. — Nama depressum Lemmon; Gray, Proc. Am. Acad. 20:304 (1885), type loc. "se. 

 borders of Cal. in the Mohave Desert near Fort Mohave," Lemmon (Fort Mohave is in Arizona 

 on the Colorado River) ; Jepson, Man. 833 (1925). Conanthus depressus Lemmon; Hel., Cat. N. 

 Am. PI. 6 (1898). 



8. N. rothrockii Gray. Stems erect, simple, several from the branched root- 

 crown of a deep-seated perennial root, 6 to 8 inches high ; herbage glandular-pubes- 

 cent, the stems, petioles and especially the calyx with spreading bristles; leaves 

 somewhat thick, the blades narrowly oblong, regularly sinuate-dentate, 1 to 1% 

 inches long, sessile or nearly so; flowers numerous in a dense terminal head, the 

 heads globose, IV2 to 1% inches broad; calyx-lobes narrowly linear, 4 to 5 lines 

 long ; corolla lavender, 6 to 7^2 lines long ; ovary and lower part of styles hispidu- 

 lous; styles distinct; capsule 4 to 20-seeded, the seeds minutely reticulate-pitted. 



Sandy meadows or flats, 6500 to 10,000 feet: Sierra Nevada, east side in Mono 

 and Inyo Cos.; upper Kern River basin in the southern Sierra Nevada; San Ber- 

 nardino Mts. June-July. 



Field note. — Nama rothrockii multiplies by running rootstocks and tends to form colonies 

 in sandy flats. The parts of the perianth and androecium, normally 5, are often 6 or 7. 



Locs. — Sierra Nevada (east side); Mammoth (road to), w. Mono Co., Kennedy; Andrews 

 Camp, upper Bishop Creek, K. Brandegee ; betw. Hockett Trail summit (near Wonoga Peak) and 



