320 LEGUMINOSAE 



species. — Arid situations, mainly in the pine belt on ridges, 3000 to 6000 feet: Tuolumne Co. to 

 coastal Southern California. South to Lower California. Apr. -Oct. 



Loes. — Iletch-IIetchy ; Snow Creek trail, Yosemite, Jcpson 10,501; San Antonio trail near 

 Twin Peak, Santa Lucia Mts., Jcpson 1G58; Richardson Canon, Antelope Valley, Davy 2500; 

 Newhall, Jrp.ww 892.S ; Mt. Lowe, San Gabriel lUs., Oitlcy 644; Mt. Wilson, Ottley 649; Chalk 

 Hill, Mt. San Jacinto, Jepson 1314 ; Vandeventer Ranch, Santa Rosa Mts., Jepson 1426a ; Palomar 

 Mt., Esther Hewlett 2. 



Refs.— Lotus strigosus Greene, Pitt. 2:141 (1890) ; Jepson, Fl. W. Mid. Cal. 302 (1901), 

 ed. 2, 230 (1911), Man. 551 (1925). EosacMa strigom Nutt. ; T. & G. Fl. 1:326 (1838), type 

 loc. near Monterey, NnttaU. Anisolotus strif/osus Ilel. Muhl. 3:101 (1907). Hosaclcia nudiflora 

 Nutt. I.e. type loc. near Monterey, NnttaU (dwarf form). L. midiflorus Greene, I.e. L. strigosus 

 var. nudiflorits Jepson, Fl. W. Mid. Cal. 302 (1901), ed. 2, 230 (1911). Anisolotus nudiflorus 

 Hel. I.e. Hosaclcia rubella Nutt. I.e., type loc. near Monterey, Nuttall (small-flowered). L. 

 rubellus Greene, I.e. Anisolotus rubellus Hel. Muhl. 7:139 (1912). Var. hirtellus Ottley, Univ. 

 Cal. Publ. Bot. 10:214 (1923) ; Jepson, Man. 551 (1925). L. hirtellus Greene, I.e. 142, type loc. 

 mts. n. of Heteh-Hetchy Valley, Chesnut 4~ Drew. Hosaclcia strigosa var. hirtella Hall, Univ. Cal. 

 Publ. Bot. 4:199 (1912). Anisolotus hirtellus Hel. Muhl. 8:60 (1912). 



13. L. tomentellus Greene. Desert Lotus. Stems branching; from the base, 

 prostrate, 3 to 9 inches long; herbage pubescent or subglabrous, the young parts 

 villous-canescent; leaves a little succulent, 5 to 7 (or 11) lines long; leaflets 4 to 6, 

 obovate or orbicular-spatulate, 2 to 5 lines long; peduncles 1 to 10 lines long; umbels 

 1 or 2-flowerecI; flowers 3 to 4 lines long; calyx villous, its teeth lanceolate, i/g to % 

 as long as the tube; corolla lemon-yellow; pods a little curved, 7 to 10 lines long, 

 1 line wide, puberulent; seeds globose or oblong. 



"Washes and mesas, 100 to 4000 feet: Death Valley region; eastern Mohave 

 Desert; Colorado Desert. East to Arizona, south to Lower California. Mar.-May. 



Lotus tomentellus is very close in both aspect and technical character to L. strigosus Greene. 

 It seems probable that its sounder disposition will finally be found as a varietal subordinate of 

 that species. 



Locs. — Hanaupah Canon, Panamint Range, Jepson 7061; Goffs, e. Mohave Desert, Newlon 

 539; Canon Sprs., Colorado Desert, Hall 5853; Painted Canon, n. of Mecca, Jepson 11,639; 

 Borrego Sprs., w. Colorado Desert, T. Brandegee; Vallecito, e. San Diego Co., Jepson 8543; 

 Coyote Well, sw. Colorado Desert, Newlon 395. 



Refs. — Lotus tomentellus Greene, Pitt. 2:140 (1890), type loc. Los Angeles Bay, L. CaL, 

 Palmer 602; Jepson, Man. 551, fig. 542 (1925). 



14. L. salsuginosus Greene. Alkali Lotus. Stems many from the root- 

 crown, decumbent, spreading or suberect, 4 to 14 inches long; herbage scantily 

 strigulose; leaves slightly succulent, % to 1% inches long, the rachis flattened; 

 leaflets 5 to 8, obovate to orbicular, 2 to 6 lines long; peduncles % to 1% inches 

 long; umbels 2 to 5-flowered, with a bract of 1 to 3 ovate or orbicular leaflets; flow- 

 ers 3 to 5 lines long; calyx-teeth broadly subulate or linear-lanceolate, 1 to 2 times 

 as long as tube; corolla yellow; keel obtuse; pods slender, 10 to 12 lines long, % 

 line wide. 



Alkaline flats or clay hills, 500 to 3200 feet : near the coast from Santa Clara Co. 

 to San Diego Co. South to Lower California. Mar.-July. 



Locs. — South Coast Ranges: Lime Kiln Creek, Santa Lucia Mts., Jepson 1677; Cuyama 

 Valley, s. San Luis Obispo Co., Jepson 12,160. Southern California: Pelican Bay, Santa Cruz 

 IsL, Jepson 12,090; Castaic Creek (mts. above), Los Angeles Co., Jepson 8934; Santa Catalina 

 Isl. (Erythea 7:144) ; Rubio Canon, San Gabriel Mts., Peirson 94; Fish Caiion, San Gabriel Mts., 

 Ottley 605. 



Var. brevivexillus Ottley. Small, prostrate; peduncles shorter than the leaves; flowers 1^^ 

 to 2 lines long ; banner and wings shorter than the keel ; pods 5 to 6 lines long, constricted between 

 the seeds. — Sandy and gravelly mesas, detrital fans or washes: Death Valley; Colorado Desert. 

 Arizona to Mexico and Lower California. Mar.-May. 



Locs. — Hanaupah Caiion, Panamint Range, Jepson 7061a; San Francisquito Canon, w. side 

 Mohave Desert, Parish 1891 (flowers 3 lines long) ; Painted Canon, n. of Mecca, Jepson 11,640. 

 Eastern San Diego Co.: San Felipe Narrows, Jepson 12,528; Wagon Wash near Sentenac Canon, 

 Jepson 8771a; Vallecito, Jepson 8545; Myers Creek bridge, foot of Mountain Sprs. grade, Jep- 

 son 11,790. 



