LEGUMINOS^. 47 



Andersoni, Gr. Densely white-hairy: leaflets 13-25 pairs: pods falcata 

 Congdoni, Watson. Less hairj^: leaflets 8-10 pairs: pod narrower. 

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

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

 Califomicus, Greene. Stouter: pod straight, purple-bloched, li inches long. 

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

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

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

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

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

 Austinae, Gr. Tufted, silvery-silky: flowers in a close iiead, whitish. 

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



12. VICIA, Tournefort. 



Perennials: peduncles 4-18-flowcred 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-lG, 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. IjATHYRUS, Linnaeus. 

 Leaves with^endrils: 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 loithout tendrils, or rarely with them: pods on short stipes 9, 10, 11 



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



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



3. L. sulphureus, Brewer. Flowers sulphur or dull yellow, 5-7 lines long. 



4. li. Nuttallii, Watson. Loosely woolly-hairy: petals red-purple, G-8 lines long. 



5. Li. Californicus, Watson. Stem winged: leaflets soft-pubescent: petals 7-9 lines 

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



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



7. li. vestitus, Nutt. Slender: steins wingless: flowers pale rose or violet. 



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



9. Ii. litoralis, Endl. Densely silky: a small terminal leaflet: pod liairy. 



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



