Ho9Actti. LEGUMINOS^. 323 



tU5e ; umbels G-S-flowcred ; bracts Ifoliolatc or none; teeth of the calyx half 

 as lon:^ as the tube. — Bunlh. in bol. reg. t. 1257, d^ in Linn. Irons. 17. p. 

 3tU; Hook. fi. Bar. -Am. 1. p. 134; Hook, i^ Am. hot. Uetchey^ 1. p. 137. 

 Lotu5 pinnatus, Hook. hot. ma<r. t. 2913. 



Low alluvial soils from the Rockv Mountains to the Pacific, alon<T the val- 

 ley and plains of the Ore::fon, Nuttall! Douglas. California, Bt'cclfy. — 1(7 

 Stems spreading, 1-2 feet long. Leaflets often an inch or more in length 

 and 3-5 lines wide. Stipules about 2 lines long. Flowers yellow, mixed 

 with while. Legumes 2-2i inches long. — Mr. Nuttall informs us that he 

 never found this species with bracts. 



2. II. stolonifera (Lindl.): glabrous, erect, stolon ifcrous; leaflets 11-15, 

 ovate or oblong, mucronate ; stipules ovate, herbaceous ; umbels many-flow- 

 ered, capitate; bracts l-S-ibliolatc ; teeth of the calyx very short. Lindl. 

 bot. Tccr. I. 1077. 



California, Douslas. — 11 Stem (in the cultivated plant) about 3 feet high. 

 Stipules about 2 lines long, acute. Flowers greenish, mixed "with purple. 

 Teeth of the calyx s -arcely one-fourth of the length of the tube. Legume 

 about 2 inches long, glabrous. Embryo sometimes with 3 cotjledons. Lindl. 

 — The largest species of the genus. 



3. //. gracilis (Benth.) : glabrous, decumbent ; lower leaflets obovate-cu- 

 ceate ; stipules large, membranaceous; bracts trifoliolate ; calyx somewhat 

 bilabiate, the teeth half as long as the tube. — Benth. in Linn, tranfi. 17. p. 365. 



California, Dousrlas. Moist places around Monterey, Nnllull ! — y Al- 

 lied to H. bicolor, but smaller and much more slender. Leaflets about 7, half 

 an inch long. Umbels 6-S-flowered. Vexillum yellow : wings and keel 

 pale rose-purple. 



4. II. platycarpa (Nutt ! mss.): "slightly pubescent, robust ; leaflets 7-9 

 pairs, mostly opposite, oblong-oval or obovate; stipules small, cordate-ovate, 

 membranaceous, obtuse; peduncles bracteate with a 2-1-foliolate leaf below 

 the umbel; calyx truncate, minutely-toothed; lesrume rather broad and flat. 



" 'Mountain woods,' Douglas ; probably the Blue Mountains of the Ore- 

 gon. — Legume 2 inches long and nearly i inch wide." Nultall ! This very- 

 distinct species was communicated to Mr. Nuttall by Dr. Gardner of Fort 

 Vancouver, who obtained specimens of it from the late Mr. Douglas. 



5. //. stipularis (Benth.) : stems and petioles hairy ; stipules foliaceous, 

 broadly semisagittate; bracts trifoliolate; teeth of the calyx shorter than the 

 tube. Benth. I. c. p. 365. 



California, Douglas. — Plant of the size and habit of H. bicolor. Benth, 



6. //. crassifolia (Benth.) : leaflets broadly obovate, somewhat fleshy ; 

 stipules scarious; bracts 3-foliolate; teeth of the calyx very short. Benth. I. c, 



California, Douglas.Size and habit of H. bicolor, but the flowers suiaU- 

 er. Benth. 



* * Stipules minute, blackish, gland-like. 



7. //. ochroleuca (Nutt. ! mss.) : "pubescent, nearly erect; leaves sessile; 

 leaflets 3-4 pairs, obovate or oblong, alternate ; stipules very minute ; umbels 

 bracteate with a single sessile leaflet; teeth of the calyx acuminate, as long 

 as the tube ; legume subterete. 



"Shady mountain woods near St. Barbara. March-April. — 1i Plant rath- 

 er robust ; the young leaves, stem and flower buds almost silky-pubescent. 

 Leallets nearly an inch long. Flowers ochroleucous, 6-7 lines long. — Allied 

 to H. grandirtora, Ben h." — Nuttall. 



-f~S. H. grnndi^ora (Benth.): stf>m slightly pubescent above ; leaflets about 

 7 ; peduncles elongated: bract l-folio!atp. sessile ; teeth of the calyx scarcely 

 shorter thaa the tuba. Benth. I. c. p. 366. 



