LEGUMINOSZ. 48 
tt t Flowers nearly sessile and mostly solitary, not bracteate (see 12): leaves with a broad 
rachis which bears 3 to 5 leaflets at the end and one side. 
15. H. subpinnata, T. &G. Much branched, usually decumbent or ascending and 
a few inches high: flowers yellow. Very common in Central Cal. 
Var. major. Erect, corymbosely branched above, 6 inches to 3 ft. high, flowers pinkish. 
Northern Cal. to Washington. 
16. H. brachycarpa, Benth. Soft-hairy: flowers yellow: hairy pod 2-4-seeded. 
§2. Pod with a long slender incurved beak, 1-2-seeded: claw of the standard remote from 
the rest: umbela sessile or on short peduncles (except Nos. 18, 20): flowers’ less-than 
6 lines long: stipules minute dark colored glands: leaflets 3 to 7. 
* Nearly glabrous: slender stems virgately branched: pod only slightly pubescent, 2-seeded. 
+ Somewhat woody at the base: stems angled: leaflets mostly 3. 
17. H. glabra, Torr. Stems very many erect or decumbent: leaves and fl’s crowded. | 
18. H. cytisoides, Benth. Similar: peduncles with a bract: calyx-teeth often recurved. 
19. H. juncea, Benth. Leaflets broader: some of the flowers pedunculate, 
+ + Not woody: stems terete: leaflets usually 5 to 7, and 2 or 8 lines long. 
20. H. prostrata, Nutt. Leaflets obovate, acute: flowers 2 or 3 lines long. 
21. H. micrantha, Nutt, Flowers smaller: peduncle naked: style hairy. 
* * Very silky or tomentose; herbaceous stems terete: pod hairy: mostly 1-seeded: leaflets 5 to 
(usually 3 in 22). 
22. H. sericea, Benth. Densely white-silky: umbels loosely few-flowered. 
23. H. argophylla, Gr. Umbels 6-10-flowered: flowers orange or yellow. Sierras. 
24. H. decumbens, Benth. Villous and tomentose: stems diffuse: lvs and fis crowded. 
25. H. tomentosa, H.& A. Very tomentose, prostrate: flowers 3 or 4 lines long. 
26. H,. Heermannii, D.& H. Less tomentose more branched: leaflets and fl’s smaller. 
8. PSORALEA, Linneu. ~~ 
Leaflets 3, orbicular on long petioles from creeping stem.....-......42--eene cece eeee 1 
Leaflets 3, rombic-ovate to narrowly ovate: stems erect............-..0+ee eee. 2, 3, 4 
Leaflets 5, rarely 7: clustered stems very Short.......... 0.66. : cece cence eee e ec eens 5 
1. P. obicularis, Lindl. Peduncles a foot or two long. In wet ground. Cal. 
2. P. strobilina, H. & A. Stems 2-3 ft. high: peduncles shorter than the leaves. Cal. 
3 P. macrostachys, DC. Often 6 ft. high or more: peduncles exceeding the leaves. 
4. P. physodes, Dougl. Stems numerous, | or 2 ft. high: flowers greenish. Coast. 
5. P. 
Californica, Watson. Silky-gray: leaves exceeding the close racemes. Rare. 
9. AMORPHA, Linneus. 
1. A. Californica, Nutt. Glandular, 3 to 10 ft. high: standard exceed by stamens, 
10. GLYCYRRHIZA, Linneus. 
1. G. lepidota, Nutt. var. glutinosa, Watson. Flowers white or pinkish, 6 lines long. 
o 
