Vicia. LEGUM1N0SJ5. J 57 



Var. elatus, Watson (Bot. King Exp. 77) ; a form with erect and less- branched 

 stems, 6 to 18 inches high. 



Mount Dana, near the aummit, nt 13,000 feet, Brewer. Also in W. Nevada, with the taller 

 variety ( Watson), S. Utah {Parry), and through the dry interior to Idaho, Wyoming, and New 

 Mexico. 



14. OLNEYA, Gray. 

 Calyx campanulate ; the teeth nearly equal, the two upper ones united. Petals 

 free, equal: standard orbicidar, deeply oiuarginato, rcfloxod ; wings oblong; kool 

 broad, obtuse, incurved. Stamens 10, diadolphous : anthers uniform. Ovary scveral- 

 ovuled : style incurved, bearded above. Pod thick, with coriaceous valves, 1-2- 

 seeded, broadly linear. Seeds ovate. — A small tree, often armed with spines 

 below the leaves ; leaves equally or unequally i)innate ; leaflets thick, entire ; 

 stipules none ; flowers white or purplish in short axillary racemes. 



1. O. Tesota, Gray. Fifteen to twenty feet high or more, canescent with 

 minute liairs : spines short and stout, in pairs near the base of the petioles : leaflets 

 5 to 7 pairs, cuneate-oblong, 2 to 8 lines long, obtuse : flowers 3 or 4 in a loose 

 racemose cluster, 4 lines long : calyx half as long : pod linear-oblong, an inch or 

 two long, 4 or 5 lines broad, rough with short glandular hairs. — PI. Thurb. 313 & 

 328 ; Torrey, Pacif. R. Pep. vii. 10, t. 5. • 



In dry valleys near the Colorado River and eastward in Arizona. The Arbol de hicrro or Iron- 

 wood of that region. 



15. VICIA, Tourn. Vr/rcn. Tark,. 

 ('alyx r)-cloft or toothed, usually unequal. Wings adherent to the middle of the 

 abort keel. Stamens diadelphous or nearly so ; the mouth of the sheath oblique ; 

 anthers uniform. Ovary 2-many-ovuled : stylo filiform, inflexcd, the apex sur- 

 rounded by hairs or hairy upon the back. Pod flat, 2-valved, shortly stipitate (in 

 Californian species). Seeds globular ; the stalk expanded above to cover the linear 

 hilum. — Herbs, with angular stems, more or less climbing by branched tendrils 

 terminating the pinnate leaves ; leaflets entire or toothed at the apex ; stipules 

 semisagittato ; flowers solitary or in loose pedunclcd axillary racemes. 



A genus of 100 species or more, in the temperate regions of the northern hemisphere and in 

 South America. There are ten species indigenous in the United States and a few others Mexican. 



« Perennials : flotvers in pedunculate racemes. 



1. V, gigantea, Hook. Stout and tall, climbing several feet high, somewhat 

 pubescent: leaflets 10 to 15 pairs, oblong, obtuse, raucronate, an inch or two long; 

 stipules large: peduncles 5 - 18-flowered : calyx short, somewhat villous; lower 

 teeth about equalling the tube : corolla G or 7 lines long, pale purple : pod broadly 

 oblong, 1^ inches long or more, glabrous, 3-4-seeded. — Fl. i. 157 ; Torr. cfe Gray, 

 Fl. i. 270. V. Sitckensis, Bongard, Veg. Sitcha, 129. V. Ilookeriana, Walpers, 

 Pep. i. 715. 



In woods and moist places from about San Francisco Ray northward to Oregon and Sitka. 

 The seeds are as large as peas and eatable when young : the plant turns blackish on drying. 



2, V. Americana, Muhl. TTstially rather stout, 1 to 4 feet high, glabrous : 

 leaflets 4 to 8 pairs, very variable, linear to ovato-oblong, truncate to acute (more 

 usually oblong and obtuse, mucroinilate), j to 2 itK^hes long: ])ednncIos 4-8- 

 flowered : flowers purplish, (5 to 9 lines long : calyx sliglitly pubescent ; teeth 

 broadly subulate, the lower narrower and not half as long as the petals : style very 

 villous at the top : pods oblong, glabrous, an inch long or more, 3- G-seeded : seeds 



