Pimo. LEGUiiraos^;. 157 



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

 stems. 6 to 18 inches high. 



Mount Dana, mar the summit, at 13,000 feet, Bracer. Also in W. Nevada, with the taller 

 variety {Watson), 8. 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 orbicular, deeply emarginate, reflexed ; wings oblong ; keel 

 broad, obtuse, incurved. Stamens 10, diadelphous : anthers uniform. Ovary several- 

 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 pinnate ; 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 hairs : spines short and stout, in pau-s near the base of the petioles : leaflets 

 5 to 7 pairs, cuneate-oblong, 2 to S 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 

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

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



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

 wood of that region. 



15. VICIA, Tourn. Vetch. Tare. 



Calyx 5-cleft or toothed, usually unequal. "Wings adherent to the middle of the 

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

 anthers uniform. Ovary 2-many-ovuled : style filiform, inflexed, the apex sur- 

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

 Califurnian 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 

 semisagittate ; flowers solitary or in loose peduncled axillary racemes. 



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

 Smith Ann lira. Time are ten species indigenous in the United States and a few others Mexican. 



* Perennials : jJ^wers in pedunculate racemes. 



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

 pubescent: leaflets in to 15 pairs, oblong, obtuse, mucronate, an inch or two long; 

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

 teeth about equalling the tube ; corolla 6 or 7 lines long, pile purple : pod broadly 

 oblong, \\ inches long or more, glabrous, 3- t-seeded. — I'l. i. 1">7 ; Ton-, a- Gray, 

 Fl. i. 2"o. I'. Sitcltensis, Bongard, Veg. Sitcha, 129. I'. Hookeriana, Warpers, 

 Kep. i. 7 15. 



In woods and moisl places from about San Francisco Bay northward to Oregon and Sitka. 

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



2. V. Americana, Mithl. Usually rather stout, 1 to I feet high, glabrous: 

 leaflets l to 8 paii . very variable, linear to ovate-oblong, truncate to acute (more 

 usually oblong and obtuse, mucronulate), .'. to 2 inches long: peduncles 4 — 8- 

 Howered i Mowers purplish, G to :i lines long : calyx slightly pubescent : tooth 

 bro idly subulate, the lower narrower and not half as long as the petals : styli 

 villous at the top : pods oblong, glabrous, an inch long or more, 3 6 seeded : 



