LEGUMINOSA, 41 
Leafy: petioles and peduncles mostly short: bracts deciduous: ovules 3to5.. 17, 18, 19 
D. Dwarf alpine perennials, mostly tufted: lower calyx-lip 8-toothed: keel ciliate: pod 
PART) Boh BOOM a5. ws ssarntsrsseso:aenleveinyeiera aheiaiatuynsesanstesaielono-dientcasni ovo cede OTR 20 to 23 
E. Annuals: leajleta mostly 5 to? (8 to 10 in No. 29): bracts falling with or before the 
petals: upper calyx-lip 2-parted or bifid: pod 4-8-seeded. 
Bracts deciduous: flowers in whorls, 5 or 6 lines long...... ss esdsbitNuyevaeiave siatase nets . 24, 25 
2 or 3 lines long...... gi desi sitaes bvauscorayaners 26 to 28 
Bracts deciduous or persistent for a while: flowers scattered...............+- 29 to 35 
F. Annuals: teaflets cuneate-oblong or obovate: bracts conspicuous, persistent in fruit: ovules 
ANG BOCD SID res iericcrancntslereiatpcinsaraneear aaa es coihde Sane ueibiase wisiniose © + Sn wm abr Se 36 to 38 
1, L. arboreus, Sims. A shrub: flowers yellow, rarely purplish, fragrant. Cal. 
2. L. Chamissonis, Esch. A low shrub: flowers blue, rarely violet, pink or white. 
ei Douglasii, Agardh. Woody at base: much like forms of the last. Cal. 
Ludovicianus, Greene. Shrubby: very villous: flowers purple: pod 5-seeded. 
polyphyllus, Lindl. Leaflets numerous, large: raceme purple, long. 
rivularis, Dougl. Stipules very slender: leaflets 7 to 10: petioles short. 
littoralis, Dougl. Leaflets 6 to 12 lines long: racemes short: ovules 10 to 12. 
Sabinii, Dougl. Stipules long, setaceous: flowers bright yellow. Blue Mts, 
Pe 
9 L. albicaulis, Dougl. Reflexed margin of the acute standard coherent at apex. 
10. L. ornatus, Doug!. Standard silky: keel ciliate: stipules setaceous: seeds white. 
11. L. sericeus, Pursh. Bracts long: calyx densely silky, gibbous: pod densely hairy. 
12, L. leucophyllus, Dougl. Densely silky: dense racemes sessile: standard hairy 
13, L. Grayi, Watson. A span high: very hoary-tomentose: racemes short, loose, 
14. L. lepidus, Dougl. Low, slender, silky: peduncle and raceme long: petals violew. 
15. L. confertus, Kell. Similar but bracts persistent: corolla blue to rose. 
16. L. onustus, Watson. Decumbent woody base: flowers deep blue, scattered. 
17. L. parviflorus, Nutt. Stems slender, 2 or 3 ft. high, strict, glabrous above. 
18. L. Andersoni, Watson. Appressed-pubescent, much branched: racemes short, 
19. L. laxiflorus, Dougl. Silky: raceme slender: calyx saccate or spurred. 
20. L. aridus, Dougl. Raceme dense, 2 or 3 inches long: peduncle short: petals purple. 
21. L. minimus, Dougl. Similar, more silky: peduncles longer: standard broader. 
22, L. Breweri, Gr. Stems from spreading woody base: densely silky: leaflets obovate. 
23, L. Lyallii, Gr. Similar: petioles longer: standard narrower: petals violet. Or. 
24. L. affinis, Agardh. A foot high: leaflets broadly obovate: bracts short. Cal. 
25, L. nanus, Dougl. Slender: bracts long: petals broad, purple and white. Cal. 
26. L. micranthus, Dougl. Slender, branched, decumbent, villous: racemes short, 
27. L. trifidus, Torr. Similar: lower calyx-lip 3-cleft: pod 5-6-seeded. San I'’co Bay. 
28. L. citrinus, Kell. Similar: calyx-lip 3-toothed: flowers orange or yellow. Fresno. 
29. L. leptophyllus, Benth. Bracts very long: standard with a crimson spot. Cal. 
30. L. sparsiflorus, Benth. Similar: bracts short, persisting longer: petals violet. 
L. 
truncatus, Nutt. Linear leaflets truncate or 3-toothed, smooth above: petale 
