324 LEGUMINOSAE 



Locs. — Cismontane S. Cal.: San Diego, Jones 3162; Witch Creek, San Diego Co., Alderson; 

 Upland, Parish 11.169; Arroyo Scco, Pas.adena, Ottlcy 636; Santa Monira, Barber; Santa Bar- 

 bara. Eastwood : Prisoners Ilarbor, Santa Cruz Isl., Jepson 12,0(),'^; Purisinia Hills, Santa Bar- 

 bara Co., Jepson 12,6.50. Tehacliapi Mts. : Lobee near Tejon Pass, Jcpson 12,424. Coast Ranges: 

 Cambria, San Luis Obispo Co., Gondii : Carniel Kiver, Ottle;/ 1281; San Juan, San Benito Co., 

 Elmer 5024; Coyote, Santa Clara Co., Davij 106; Belmont, San Mateo Co., Elmer 4741; Liver- 

 more Valley, Davj/; Mt. Diablo, Jep.son 13,796; San Francisco, .Jepson 13,792; North Berkeley 

 Plills, Jepson 9636; Mt. Tamalpais, Jepson 7559; Fairfax, Marin Co., Ottlcy 360; Bodega Bay, 

 Chandler 719; Ukiah, Piirdy : Ilydesville, Humboldt Co., Tracy 2521; Trinidad, Humboldt Co., 

 Tracy 2697. Great Valley: Bakersfield, Davy 1754; Patterson, w. Stanislaus Co., Jepson 11,569; 

 Sacramento, Shockley 399; South Peak, Miuysville Buttes, Jepson 13,793; Red Bluff, Jepson 

 13,794. Sierra Nevada: Lindsay, Tulare Co., Mnnz 9080; Badger, Tulare Co., Ottley 1413; 

 Knights Ferrv, Stanislaus Co. (Univ. Cal. Publ. Bot. 10:223) ; French Flat, Tuolumne Co. (Univ. 

 Cal. Publ. Bot. 10:223); Mokelumne Hill, Calaveras Co. (Univ. Cal. Tubl. Bot. 10:223); Oro- 

 ville (foothills n.),ZfeZ?er 11,238. 



Refs. — Lotus subpinnatus Lag. Gen. et Sp. PI. 23 (1816), type loc. Talcahuano, Chile; Jep- 

 son, Man. 552, fig. 544 (1925). Hosackia subpinnata T. & G. Fl. 1 :326 (1838). L. wrangelianus 

 F. & M. Ind. Sem. Hort. Petrop. 41:16 (1835), type loc. Bodega Bay. Hosackia wrangeliana 

 T. & G. I.e. (herbage sparselv hirsute). L. suhpinnatus var. icrangelianus Jepson, Fl. W. Mid. 

 Cal. 303 (1901), ed. 2, 231 (1911). 



20. L. nuttallianus Greene. Wire Lotus. Stems several to man^' from the 

 root-crown, wiry, prostrate, V^ to 21/3 feet long; tips of the branchlets hoary, the 

 stems soon glabrate and the leaves nearly so; leaves 3 to 7 lines long; leaflets 5 to 

 7. enneate- to oblong-oblanceolate, acute or obtuse, 1 to 21/2 lines long; peduncles 

 2 to 6 lines long, equaling or exceeding the leaves, becoming 5 to 17 lines in fruit; 

 umbels 3 to 7-flowered; bract mostly of 1 small leaflet, rarely none; flowers 2^/2 to 

 3I/2 lines long, the calyx less than half as long; calj'x-teeth triangular, about V?, as 

 long as the tube; corolla yellow, turning reddish; pods several times as long as the 

 calyx, slender, eccentrically sickle-shaped, the ho&y about 3 to 5 lines long, above 

 the middle tapering into the cui*\'ed style which is 1 to 1^/2 lines long, constricted 

 between the two seeds, slightly canescent. 



Sandy lands, 50 to 100 feet : along the coast, San Diego Co. South to Lower 

 California. Apr.-June. 



Locs. — La Jolla, Jepson 11,865; Del Mar, Jepson 1602a; Coronado Beach, Berg. 



Refs. — Lotus nuttallianus Greene, Pitt. 2:150 (1890); Jepson, Man. 555 (1925). Bo- 

 sackia prostrata Nutt. ; T. & G. Fl. 1:325 (1838), type loc. "San Diego and Santa Barbara," 

 Kuttall; not Lotus prostratus L. (1762). Syrmatium prostratum Greene, Bull. Cal. Acad. 2:147 

 (1886). Hosackia decumbens var. glabriuscula H. & A. Bot. Beech. 137 (1832), type from 

 Cal., Douglas. 



21. L. hamatus Greene. Grab Lotus. Stems prostrate or trailing, several 

 from the base, simple or sparingly branched, I/2 to I14 feet long; herbage glabrous 

 or the leaves and young parts puberulent; leaves 4 to 6 lines long; leaflets 4 to 6, 

 oblanceolate to obovate, often mucronate, 2 to 3% lines long; umbels sessile or 

 nearly so, bractless; flowers I14 to 2^4 lines long; calyx-teeth subulate, I/2 as long 

 as tube; pods slender, abruptly upturned above the base and attenuate into the 

 coiled style (hooked beak) , the body about 3 to 4 lines long, the beak nearly as long; 

 pericarp with wavy v-shaped markings. 



Washes, clay flats or dry mesas, 50 to 1500 feet: cismontane Southern Califor- 

 nia. South to Lower California. May-June. 



Locs. — Santa Catalina Isl., Davidson; Tujunga Wash, Peirson 2117; San Bernardino Val- 

 ley, Parish 11,211; Jamacha, San Diego Co., Chandler 5271; San Diego, Will S. Wright 37, 132. 



Refs.— Lotus hamatus Greene, Pitt. 2:150 (1890); Jepson, Man. 555, fig. 546 (1925). 

 Hosackia micrantha Nutt.; T. & G. Fl. 1:324 (1838), type loc. Monterey, N^ittall; not L. micran- 

 thus Benth. (1837). There are also two isotypes of Hosackia micrantha Nutt. in the Kew 

 Herbarium (Herb. Hook.), with labels in Nuttall's hand, one from Santa Barbara, Nuttall, 

 the other from Santa Catalina Isl.; cf. Jepson, Californian Types at Kew, 76 (ms.). 



22. L. leucophyllus Greene. Hoar Lotus. Stems ascending, decumbent or 

 prostrate, much-branched, rigid, 8 to 22 inches long, slightly woody at base; herb- 

 age whitish-pubescent or the leaves white-silky; leaves 4 to 9 lines long; leaflets 3, 



