238 Universitij of California Publications in Botany [Vol. 10 



Var. ornithopus Ottley n. comb. (pi. 82, figs. 12 and L3). Erect 

 (according to Greene), less pubescent than the others, the herbage 

 somewhat silky, the stem becoming glabrate ; leaves 7 mm. to 1.9 cm, 

 long; leaflets mostly 4 or 5 (3 to 7), 6 to 12 mm. long, oblanceolate to 

 oblong, acute; umbels long-peduncled, extending along the branches; 

 legumes conspicuously exserted beyond the calyx and curved upward. 

 2-seeded, otherwise much as var. frcmontH. — Islands off the coast of 

 southern California. April- June. 



Localities. — Guadalupe Island, Greene in 1885 (type of Ilosackia 

 ornithopus); Guadalupe Island, Palmer 853; Santa Catalina Island, 

 Cox, March 31, 190S; Davidson 5; Jepson 3066; Condit 12; Grant and 

 Wlxeeler, April 21-26, 1904; K. Branclegee, May, 1889; Trask, May, 

 1896; San Nicholas Island, Trask, April, 1897 (type of Eastwood's 

 Hosackia venusta) ; Santa Barbara Island, Trask. 



References. — Lotus argophyllus Greene, Pitt., vol. 2. 1890, p. 

 149. Hosackia argophylJa Gray, Mem. Am. Acad, n.s., vol. 5, 1854, 

 p. 316, tj'pe loc, San Isabel, May, 1852. Syrmatium argophyllum 

 Greene, Bull. Calif. Acad., vol. 2, 1886, p. 147. Hosackia argentea 

 Kellogg, Proc. Calif. Acad., vol, 3, 1863, p. 38, pi. 8, type loc, Kern 

 Kiver, Hutchings. Var. fremontii Ottley. Hosackia argophylla var, 

 f fremonti Gray, Proc. Acad. Phila., vol. 15, 1863, p. 347. Lotus 

 fremonti Heller, Cat. N. Am. PI., ed. 2, 1900, p. 7. Syrmatium 

 fremontii Heller, Muhl., vol. 9, 1913, p. 67. Var. decorus Ottley. 

 Hosackia argophylla var. decora Johnston, Bull. S. Calif. Acad., vol. 

 17, part 2, 1918, p. 63, type loc. Cascade Caiion, Fork of San Antonio 

 Caiion. Var. niveus Ottley. Syrmatium niveum Greene, Bull. Calif. 

 Acad., vol. 2, 1886, p. 148, type loc, Santa Cruz Island, Greene. Lotus 

 niveus Greene, Pitt., vol. 2, 1890, p. 148. Var. ornithopus Ottley. 

 Hosackia ornithopus Greene, Bull. Calif. Acad., vol. 1, 1885, p. 185, 

 type loc. Guadalupe Island. Syrmatium ornithopum Greene, Bull. 

 Calif. Acad., vol. 2, 1886, p. 148. Lotus ornithopus Greene, Pitt., 

 vol. 2, 1890, p. 149. Hosackia venusta Eastwood, Proc. Calif. Acad., 

 ser. 3, vol. 1, 1898, p. 103, pi. 8, type loc, San Nicholas Island, Trask. 

 Lotus venustus Heller, Cat. N. A. PI., ed. 2, 1900. p. 7, 



29. L. davldsonii Greene (pi. 82, figs. 14-21), A species closely 

 resembling L. douglasii Greene var. nevadensis on the one side and 

 L. argophyllus Greene var. decorus on the other, but always differing 

 from either in the character of its corolla. Herbage either silvery or 

 bluish-green ; flowers 5 to 8 mm. long ; calyx teeth linear-subulate, 

 one-half as long as the tube or approaching it in length ; the short 

 obovate banner blade erect, making a right angle with the wings, or 

 reflexed ; keel slightly angled on its upper surface. 



Pine belt of the mountains of southern California. Distribution 

 Map 10. May-August. 



Localities. — Griffins, Mt. Pinos, Elmer 3977; Mt. Pinos, North 

 Creek (alt. 6700 ft.), Ventura County, Hall 6537; Mt. Gleason Sum- 

 mit, southern California, Barber 260; Mt. Wilson, Davidson, August, 

 1892 (type of Lotus sulphureus Greene) ; Mt. Wilson, Geo. B. Grant, 

 June 16, 1906 and June 10, 1907; Mt. Wilson, Abrams 1880; Sierra 

 Madre trail, Mt. Wilson, Abrayns 2604; Kelly's cabin, Ontario Peak, 

 San Antonio Mountains, Johnston 1552; Baldy Lookout, Johnston 



