106 LEGUMINOSJB. 



Leafy: petioles and peduncles mostly short: bracts deciduous: ovules 3 to 5 . . 17, 18, 19 



D. Dwarf alpine perennials, mostly tufted: lower calyx-lip S-toolhed: keel ciliate? pod 

 hairy, S-4- seeded 20 to 23 



E. Annuals: leaflets mostly 6 to 7 (8 to 10 in No. 89): bracts falling with or before the 

 petals: upper calyx-lip 2-parted or bifid: pod 4-8-8cedcd. 



Bracts deciduous: flowers in whorls, 5 or 6 lines long 24, 25 



2 or 3 lines long 26 to 28 



Bracts deciduous or persistent for a while: flowers scattered 29 to 35 



F. Annuals: teafiet* cuncatc-oblong or obovate: bracts conspicuous, persistent in fruit: ovules 

 and seeds 2 36 to 38 



1. Ii arboreus, Sims. A shrub: flowers yellow, rarely purplish, fragrant. Cal. 



2. L, Chamissonis, Esch. A low shrub: flowers blue, rarely violet, pink or white. 



3. L. Douglasii, Agardh. Woody at base: much like forms of the last. Cal. 



4. I. Ludovicianus, Greene. Shrubby: very villous: flowers purple: pod 5-seeded 



5. Xi. polyphyllus, Lindl. Leaflets numerous, large: raceme purple, long. 



6. L. rivularis, Dougl. Stipules very slender: leaflets 7 to 10: petioles short. 



7. L. littoralis, Dougl. Leaflets 6 to 12 lines long: racemes short: ovules 10 to 12. 



8. L. Sabinii, Dougl. Stipules long, setaceous: flowers bright yellow. Blue Mts. 



9. L. albicaulis, Dougl. Refiexed margin of the acute standard coherent at apex. 



10. L. ornatus, Dougl. 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. I*, lepidus, Dougl. Low, slender, silky: peduncle and raceme long: petals violet. 



15. ti. confertus, Kell. Similar but bracts persistent: corolla blue to rose. 



16. L. onustus, Watson. Decumbent woody base: flowers deep blue, scattered. 



17. I. parviflorus, Nutt. Stems slender, 2 or 3 ft. high, strict, glabrous above. 

 18 L. Anderson!, Watson. Appressed-pubescent, much branched: racemes short. 



19. L. laxifioms, 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. I*, nanus, Dougl. Slender: bracts long: petals broad, purple and white. Cal. 



26. Li. micranth.us, Dougl. Slender, branched, decumbent, villous: racemes short. 



27. L. trifidus, Torr. Similar: lower calyx-lip 3-cleft: pod 5-6-seeded. SanF'coBay. 



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^ sparsifiorus, Benth. Similar: bracts short, persisting longer: petals violet. 



31. L. truncatus, Nutt. Linear leaflets truncate or 3-toothed, smooth above: petals 



