316 LEGUMINOSAE 



5. L. formosissimus (Irccno. Witch's Tkktii. Stems (Iccumlx'nt, 1/2 to 2 

 feet. long; herbage glabrous, light green; leaves 1 to 2^4 inches long; basal leaves 

 with 3 to 5 obovate retuse leaflets 2 1/0 to 4 lines long, upper leaves with 5 or 7 (or 

 9) oblanceolate to elliptical acute leaflets 5 to TY) lines long; peduncles % to 2V2 

 inches long; umbels 4 to 6-flowered, subtended by a petioled bract of 1 to 3 (or 7) 

 leaflets; flowers GY^ to 10 lines long; calyx slightly 2-lipped, its teeth lanceolate, 

 acuminate, ^ -5 to Y2 ^s long as the tube; banner yellow, oblong, reflexed; keel and 

 spreading wings crimson-lilac; claws of the keel longer than the bluntly beaked 

 blades; pods straight, 1 to lY-t inches long, Y2 to V^ lines wide. 



]\Ioist ground or springy places, 10 to 1500 feet: mostly near the coast from 

 IMonterey Co. to Del Norte Co. North to Washington. Mar.-June. 



Locs. — Carmel, Ottley 1310; Pacific Grove, Tidcstroin ; Lake San Andreas, San Mateo Co., 

 Davy 1030; Bolinas Bar, Chesnut 4" Drew; Mt. Tamalpais, Newlon 96; Olema, Marin Co., Jep- 

 son 8286; Bodega, Sonoma Co., Chandler 674; Del Mar, nw. Sonoma Co., R. P. Brandt; Lost 

 Valley, Mayacamas Range, Jepson 3028; Sherwood Valley, Mendocino Co., Davy 5190; betw. 

 Eureka and Areata, Jepson 1922 ; Eequa, Del Norte Co., Davy 5903. 



Refs.— Lotus formosissimus Greene, Pitt. 2:147 (1890); Jepson, Fl. W. Mid. Cal, 301 

 (1901), ed. 2, 229 (1911), Man. 549, fig. 540 (1925). HosacMa gracilis Benth. Trans. Linn. 

 Soc. 17:365 (1837), type from Cal., Douglas; not Lotus gracilis Salisb. (1796). A7iisolotus 

 formosissimus Armstrong & Thornber, Field Book Western Wild Fls. 242 (1915). 



6. L. pinnatus Hook. Meadow Lotus. Stems several, erect, arising from 

 creeping rootstocks, 1 to 1% feet high; herbage glabrous; leaves large (1 to 3 

 inches long), remote; leaflets 5 to 9, oval or obovate, obtuse or acute, somewhat 

 mucronulate, 4 to 15 lines long; peduncles 1 to 5% inches long; umbels 3 to 

 7-flowered, not usually leafy-bracteate, but with an involucre of short scarious 

 bractlets; flowers 6 to 7% lines long, more or less reflexed in anthesis; calyx 

 2-lipped; banner and keel yellow, the wings white; pods IY2 to 2Y2 inches long, 

 % to IY2 lines wide. 



]\Ioist flats, 3000 to 6000 feet : Trinity Co.; Sierra Nevada from Calaveras Co. 

 to Shasta Co. North to Washington. Apr.-July. 



Locs. — Coast Ranges: Weaverville (ne. of), H. S. Yates 344; Redding (Univ. Cal. Publ. 

 Bot. 10:203). Sierra Nevada: Pooles Mdw., Calaveras Co., Davy 1435; Emigrant Gap, Placer 

 Co., Jones 3282; Donner Lake, Sonne; Quincy, Jepson 4141; Montgomery Creek, ne. Shasta Co. 

 (Univ. Cal. Publ. Bot. 10:203) ; Stillwater Creek, Shasta Co., BlanMnship. 



Refs. — Lotus pinnatus Hook. Bot. Mag. t. 2913 (1829), type loc. "between Fort Van- 

 couver and the grand Rapids upon the Columbia", Douglas ; Jepson, Man. 549 (1925). Hosackia 

 bicolor Dougl.; Benth. in Lindl. Bot. Reg. t. 1257 (1829), based on Lotus pinnatus Hook. L. 

 bicolor Frye & Eigg, Elem. Fl. of the Northwest 140 (1914). 



7. L. oblongifolius Greene. Stream Lotus. Stems erect, 6 to 12 inches high, 

 bright green, arising from running rootstocks; herbage hirsutulose, often thinly 

 so; leaves li/4 to 2%^ inches long; leaflets 7 to 11, linear-lanceolate to elliptical, 

 acute at both ends, 5 to 15 lines long; peduncles 1 to 4% inches long; umbels 1 to 

 5-flowered; flowers 4 to 1Y2 lines long; calyx-tube turbinate-campanulate, some- 

 what hirsutulose; banner yellow or red-orange, ovate, erect; wings and keel white, 

 claws of the keel shorter than the broad rounded limb; pods straight, 1^/4 to 2 inches 

 long, % to 1 line wide. 



Along streams in the foothills and mountains, 1000 to 6500 feet : cismontane 

 Southern California; north to the Tehachapi Mts. Frequent. May-Oct. 



Locs. — San Diego, Palmer 61 ; Mesa Grande, e. San Diego Co., E. Ferguson 96 ; Palomar Mt., 

 T. Brandegee ; Snow Creek, Mt. San Jacinto, Clary 18a; Strawberry Valley, Mt. San Jacinto, 

 Jepson 2258a; San Bernardino, Parish; Little Bear Valley, San Bernardino Mts., C. M. Wilder 

 347; Lytle Creek Canon, San Antonio Mts., Ahrams 2628; Arroyo Seco, Pasadena, Peirson 100; 

 Santa Monica, Barber 193 ; Rock Creek, San Gabriel Mts., Peirson 501 ; Victorville, Jepson 5606 ; 

 Mt. Pinos, n. Ventura Co., Hall 6645; Bisses sta., Tehachapi Mts., Dudley 407; Kernville, T. 

 Brandegee. 



Var. torresd Ottley. Sierra Lotus. Herbage subappressed-pubescent, becoming glabrate; 

 leaves 1^4 to 2% inches long; leaflets oblanceolate or obovate, mostly obtuse, those of the upper- 



