35 



ulate teeth shorter: pod thickish, sub- 

 terete, 1 in. long-. Baja and southern 

 Cal. (to Monterey?). 



Variety ARGYREA S. Watson. 



Hosackia argyraea Greene, Cal ac f 1: 

 184. Lotus argyraeus Greene, pitt 2:144. 



Slender and diffuse, leaflets acute. 

 San Bernardino (Parish) into Baja Cal. 

 HOSACKIA CRASS'IFOLIA Bth. 



Pis dull purple marked with green; 

 the largest species. Baja Cal. to he 

 Columbia river, in the mts. 

 HOSACKIA GRANDIFOLIA Bth. 



Tall, slender, almost glabrous, long 

 internodes, e.longated peduncles, bear- 

 ing umbels of bright yellow fls; co- 

 rolla about 1 in. long. Cal. 



Variety ANTHYLOIDES Gray. 



Lotus leucophaeus Greene, pitt 2-145. 

 "A low velvety pubescent plant with 

 short peduncles and short internodes, 

 the handsome fls y 2 in. long, 'ochro- 

 leucous, changing to red-purple." 

 Pine and manzanita belt, San Diego to 

 Solano counties, Cal. 

 HOSACKIA MAR1TTMA Nutt. 



Ascending or depressed, sparsely 

 strigose, somewhat succulent, branches 

 8-18 in. long: peduncles 1 in. long, 1-3- 

 fl'd, naked or with a conspicuous 1-3- 

 foliolate bract: corolla yellow, 14 in. 

 long, banner and wings equalling the 

 straight keel: pod iittle compressed: 

 seeds obliquely oval, compressed, 

 smooth. Monterey, Cal. to Baja Cal. 

 HOSACKIA STRIGOSA Nutt. 



Strigosely pubescent, much branch- 

 ed, decumbent or prostrate: peduncles 

 elongated, 1-3-fl'd, 3-foliolate-bracted: 

 corolla ye'.low, 4 or 5 lines long: pod 

 pubescent, slightly curved upwards at 

 the apex: seeds quadrate, somewhat 

 cruciform, deeply notched at each end 

 and at the hilum, surface closely sin- 

 uate-rugose. Baja Cal. to Mt. Diablo. 



THERMOPSIS VELUTINA Greene. 

 T. californica var. ve.utina Greene, Ery- 

 thea 1:81. 



"Stouter than T. Californica and 

 much smaller, in maturity densely vil- 

 lous-tomentose throughout, the pu- 

 bescence of only the younger or grow- 

 ing parts more appressed and some- 

 what silvery silky: stipules often larg- 

 er than the leaflets, l l / 2 in- long, ob- 

 liquely ovate and obtusish or ovate- 

 lanceolate: leaflets from narrowly to 

 broadly and somewhat rhomboidly 

 ovate, mostly acutish: racemes short 



and short-peduncled: ovaries densely 

 white tomentose." Greene, Erythea 3: 

 19. Mt. Hamilton to the Cuyamaca 

 mts., San Diego Co., Calif. 



LOTUS TRISPEiRMUS Greene. 



"Near L. humistratus, rather small- 

 er, decidedly less conspicuously villous: 

 calyx-lobes subulate rather than lin- 

 ear, hardly longer thar the tube: pods 

 linear-oblong, 3-seeded: seeds obscure- 

 ly quadrangular, thick in the middle, 

 thin and acute at the edges but not at 

 the ends. Common on hills bordering 

 the Mohave desert, Calif., thence east- 

 v\ard and southeastward in Arizona." 

 --Greene, Erythia 1:258. 

 short 2-or 3-seed'ed pod. Baja Cal. 

 LOTUS CONFINIS Greene. 



"Perennial: stems tufted, decumbent, 

 barely a foot lomg; herbage velvety- 

 lubescent: leaflets 5-7, obovate, acut- 

 ish. 6 or 8 lines l - ong: internodes about 

 equalling the leaves: peduncles twio^ 

 ar long, bearing an unifoliate-bracted 

 umbel of 3-7 large fls: calyx-teeth sub- 

 ulate from a broad base, l / 2 as lorg as 

 the campanulate tube: corolla 9 or 10 

 lines lorg. of a rich reel-purple; petals 

 not very unequal: legume unknown." 

 ^Greene, Erythea 1:258. Mts. of San Di- 

 ego Co., Cal. near Mexican boundary 

 (R. D. Alderson, 1893). 



LOTUS SULPHUREUS Greene. 



"Suffrutescent at the very base, the 

 slender branches 1 or 2 ft. long, only 

 sparsely leafy, floriferous chiefly near 

 the ends: herbage canescent with an 

 appressed silky pubescence: leaflets 3- 

 5. cuneate-obovate, obtuse or acutish, 

 2-4 lire's lcng:umbel unifoliate-bracted, 

 many-flowered, on a s'.ender peduncle 

 about an inch long, exceeding the 

 leaves: calyx a line long, the slender 

 teeth % line: coro'la twice the length 

 of the calyx, sulphur-yelow (deep red 

 when withered with age) : pod strongly 

 arcuate, the slender beak equalling the 

 body, th's 1-seeded. Wilson Peak, Los 

 Avgeles Co.. Cal. (Davidson)." Greene, 

 pitt 2:293. 



TRIFOLIUM FLAVULUM Greene. 



"Pple green and glaucescent, stout- 

 ish, often larger than T. fucatum 

 (branches not rarely 2 ft. long), but 

 heads not half as large: leaflets V 2 -% 

 in. long, broadly obovate, from pectin- 

 ate-denticulate to entire: heads y 2 -l in. 

 broad, 5-12-fl'd: fl seldom % in. long: 



