LEGUMINOS-E. 47 



21. A. Anderson!, Gr. Densely white-hairy: leaflets 13-25 pairs: pods falcate. 



22. A. Congdoni, Watson. Less hairy: leaflets 8-10 pairs: pod narrower. 



23. A. Gibbsii, Kellogg. Soft-hairy: pod much curved, an inch or more long. 



24. A. collinus, Dougl. Hoary: pod slightly curved, erect, less than 1 inch long. 



25. A. Californicus, Greene. .Stouter: pod straight, purple-bloched, 1 inches long. 



26. A. Antiselli, Gr. Ashy-hairy; leaflets 21-29: straight pod, 8-9 lines long. 



27. A. Bolanderi, Gr. Scarious stipules united: pcd ovoid, curved, veiny. 



28. A. Webberi, Gr. Silvery-silky: pods thick-walled, glabrous, sutures prominent 



29. A. pychnostachyus, Gr. Stout, hoary: pods reticulated, thin- walled, acute. 



30. A. Lemmoni, Gr. Slender, procumbent, green: leaflets 9-11, mucronate. 



31. A. Austinse, Gr. Tufted, silvery-silky: flowers in a close head, whitish. 



32. A Kentrophyta, Gr. Flowers 1-3 on very short peduncles, 2 lines long. 



12. VICIA, Tournefort. 



Perennials: peduncles 4-18-flowered 1, 2 



Annuals: peduncles short, 1-2-flowered 3, 4 



1. V. gigantea, Hooker. Stout, 5-10 ft. high: petals dull-purplish. 



2. V. Americana, Muhl. Glabrous, 1-4 ft. high: leaflets 8-16, variable. 

 Var. truncata, Brewer. Leaflets truncate or toothed at apex, somewhat hairy. 

 Var. linearis, Watson. Leaflets linear: mostly low and slender. 



3. V. exigua, Nutt. Mostly low: leaflets about 8: flowers 3 lines long, purplish. 



4. V. sativa, Linn. Stouter: flowers nearly sessile, 1 inch long, "violet. 



13. LATHYBT7S, Linnaeus. 

 Leaves with tendrils: racemes several many-flowered. 



Pod not on a stipe. Stipules large: glabrous 1, 2, 3 



Stipules narrow: more or less pubescent. 7, 8 



Pod on a short stipe. Stems stout, tall 4, 5, 6 



Leaves without tendrils, or rarely with them: pods on short stipes 9, 10, 11 



1. L. maritimus, Bigelow. Leaflets 3-5 pairs, close flowers purple. 



2. L. polyphyllus, Nutt. Similar: leaflets 6-10 pairs, thin, not sessile. 



3. Ij. sulphurous, Brewer. Flowers sulphur or dull yellow, 5-7 lines long. 



4. I*. Nuttallii, Watson. Loosely woolly-hairy: petals red-purple, 6-8 lines long. 



5. L. Californicus, Watson. Stem winged: leaflets soft-pubescent: petals 7-9 linei 

 long, yellowish or pinkish. This and next under L. venosus, in Bot. Cal., etc. 



6. Li. Bolanderi, Watson. Stems wingless: glabrous: flowers purple. 



7. L. vestitus, Nutt. Slender: stems wingless: flowers pale rose or violet. 



8. Tt. palustris, L. Leaflets 2-4 pairs, linear: flowers few, purplish, small 



9. L. litoralis, Endl. Densely silky: a small terminal leaflet: pod hairy. 



10. L. Nevadensis, Watson. Slender: standard purplish; wings and keel yellowish, 



