324 LEGUMINOS^. Hosackia. 



California, Douglas. — 11 Size and habit of II. bicolor,but the flowers larg- 

 er. Yonng leaves and calyces pubescent. Stipules only observable in very 

 young leaves. Benlh. 



'§ 2. Umbels many- {rarely \-2-) flowered: corolla much longer than the 

 calyx : vexillam on a ra'her long and slender claw wli ich is distant from 

 those of the other petals : keel obtuse : legume rather terete, incurved, 

 rostrate xcith the upper and attenuated portion. Herbaceous or suffru- 

 ticose plants; leaves pinnately 5-7- {rarely 3-) foliolate : stipules mi- 

 nute, blackish, gland-like. — Drepanolobus, Nutt. 



^-^ 9. H. decumbens (Benth.) : herbaceous, softly pubescent, decumbent; 

 leaflets 4-5, alternate, oval-cuncate, or rhombic-ovate, mostly acute ; pedun- 

 cles scarcely longer than the I aves ; bracts 1-3-foliolate ; legume pubescent, 

 carinate. — t^enth. ! in hot. reg. I. c, ^ in Linn, trans. I. c. ; Hook..' fl. Bor.- 

 Am. 1. p. 34. Drepanolobus decumbens, Nutt. ! mss. 



P. glabriuscula : leaves smaller, verdigris-green Vi^hen dry. Hook. ^- Am. 

 hot. Beechey, \. p. 137. 



Dry open wood; on the Oregon, particularly about Fort Vancouver, Nut- 

 tall ! Douglas, Scolder.' P. California, Beechey. June. — U Stems 1-2 

 feet long, forming wide tufts. Leaflets half an inch long, sometimes distant. 

 Stipules resembling very minute spines, deciduous. Umbels numerous, 5-8- 

 flowered. Teeth of the calyx as long as the tube. Corolla yellow. Legume 

 about 2-seeded, falcate, the beak longer than the seed-bearing portion. 



10. H. tomentosa (Hook. & Arn.): herbaceous, canescently tomentose, 

 decumbent; leaflets 4-6, obovate, mostly obtuse; peduncles very short; 

 bracts 1-foliolate; teeth of the calyx shorter than the tube. — Hook. ^ Arn. 

 hot. Beechey, I. p. 137 ; Benth. ! in Linn, trans. I.e. Drepanolobus lanatus, 

 Nutt.! mss. 



Dry hiUs in the shade, near Monterey, California, Nutt all ! Douglas .' — • 

 21 Stem and young leaves very woolly and white. Branches spreading 

 on the ground forming a large patch. Leaflets half an inch long. Um- 

 bels on the upper part of the stem nearly sessile; lower ones on peduncles 

 half an inch or more in length. Flowers much smaller than in the preceding 

 species, yellow, with red wings. 



11. H. micra.nthus (Nutt.): "herbaceous, pubescent (particularly the 

 yonng shoots), prostrate; leaflets 4— 6, cuneate or obovate, obtuse ; umbels 

 almost sessile, few-flowered, without bracts, Nutt.! mss. (under Drepano- 

 lobus.) 



Near Monterey, California. March-April, Nutt all ! — ® Stems spread- 

 ing on the ground. Leaves smaller and more rounded than in the preced- 

 ing species. Umbels 3-6-flowered ; the flowers minute, yellow. Teeth of 

 the calyx short. VexiUum shorter than the keel. Legume pubescent, with 

 a very long involute point. 



12. H. cytisoides (Benth.): suflrutlcose, somewhat pubescent, decumbent; 

 branches angular; leaflets 3-6, cuneate-oblong ; petioles very short; umbels 

 many-flowerel, on short peduncles; bracts of 1-3 minute leaflets; teeth of 

 the calyx subulate, recurved. — Benth.! I. c. Drepanolobus cytisoides, Nutt.! 

 mss. 



P.rubescens : calyx whitish pubescent; umbels 10-15-flowered ; flowers 

 red mixed with yeUow ; bracts 1-foliolate. — Drepanolobus rubescens, A'utt. ! 

 mss. 



Near St. Barbara, California, Nuttall ! Douglas! /?. Near St. Diego, Nut' 

 tall .'— Stesn much branched. Leaflets rather thick, often somewhat acute, 

 •with a few short appressed hairs ca both surfaces. Stipules rather conspicu- 



