656 FABACEAE 



3. Vicia Cracca L. Perennial, usually finely pubescent. Stems 3-12 dm. long, 

 sometimes tufted, climbing or trailing, mostly simple : leaves 5-10 cm. long ; blades ses- 

 sile or nearly so ; stipules linear-subulate ; leaflets 18-24, the blades linear or oblong- 

 linear, 1-2 cm. long, acute or mucronulate : peduncles sometimes surpassing the subtend- 

 ing leaves : racemes 3-10 cm. long, dense, 15-40-flowered, 1-sided : calyx about 5 mm. 

 long, reflexed : corolla bluish purple, 10-12 mm. long: pods linear, 2-2.5 cm. long, 

 5-8-seeded. 



In dry soil or cultivated grounds, Newfoundland to British Columbia, North Carolina, Kentucky 

 and Iowa. Also in Europe and Asia. Summer. 



4. Vicia Carolinian a Walt. Perennial, glabrous or strigillose. Stems branched 

 at the base, the branches spreading or climbing, 4-12 dm. long : leaf-rachis termi- 

 nating in a simple or forking tendril ; leaflets 8-16, the blades oblong or oval-oblong, 

 mucronate, short-stalked : peduncles becoming longer than the subtending leaves, many- 

 flowered : pedicels 1-2 mm. long, curved : calyx glabrous or nearly so ; tube thin, cam- 

 panulate ; lobes triangular, much shorter than the tube : corolla white or bluish ; keel- 

 petals about 1 cm. long : pods oblong, 2.5-3 cm. long, oblique at each end. 



In open woods, Ontario to Minnesota, Georgia and Kansas. Spring and summer. 



5. Vicia Hugeri Small. Perennial, very slender, bright green, minutely and sparsely 

 pubescent or glabrate in age. Stems ascending, decumbent or reclining, solitary or several 

 together, 3-7 dm. long, more or less angled, sometimes branched above, rarely branched 

 below: leaves 4-8 cm. long, the tendril simple or forked ; leaflets usually 10-12, the blades 

 linear, 2-3.5 cm. long, mucronulate, straight or slightly curved, short-petioled : peduncles 

 5-8 cm. long, ascending : flowers 10-14 in secund racemes : pedicels 1.5-2 mm. long : 

 calyx campanulate, 1.5 mm. long ; lobes triangular, ^ J- as long as the tube, acute : corolla 

 white or pale blue ; keel-petals about 5 mm. long : pods linear-oblong, 2 cm. long. 



In open woods, Georgia and Alabama. Spring. 



6. Vicia acutifolia Ell. Perennial, glabrous or nearly so. Stems branched at the 

 base, the branches spreading or climbing, 5-12 dm. long, more or less branched : leaves 

 2-6 cm. long ; rachis terminating in a simple or forking tendril ; leaflets 2-6, usually 4, the 

 blades linear to linear-oblong, 1.5-4 cm. long, acute or mucronate, short-stalked : pe- 

 duncles surpassing the leaves, few-flowered : pedicels 1-2 mm. long : calyx often minutely 

 pubescent ; tube oblique ; lobes triangular, shorter than the tube : corolla pale blue ; keel- 

 petals about 6 mm. long ; standard tipped with purple: pods linear, 2.8-3 cm. long, ob- 

 lique and acute at both ends, 4-8-seeded. 



In sandy soil, -mostly near the coast, Georgia, Florida and Alabama. Spring to fall. 



7. Vicia Reverchonii S. Wats. Annual, tomentose when young. Stems branched 

 at the base, the branches ascending, decumbent or reclining, simple or branched : leaves 

 numerous, terminating in simple or usually branching tendrils ; leaflets 4-10, the blades 

 elliptic, oblanceolate or oblong-cuneate, 5-12 mm. long, emarginate and mucronate at the 

 apex : peduncles stout, shorter than the subtending leaves : pedicels 2-3 mm. long : calyx 

 firm ; tube densely pubescent, turbinate-campanulate ; lobes lanceolate, the longer about as 

 long as the tube : corolla blue or bluish ; keel-petals 6-7 mm. long : pods linear-oblong, 

 nearly 3 cm. long. 



On dry prairies, Texas. Spring. 



8. Vicia Floridana S. Wats. Perennial, glabrous or nearly so, delicate. Steins 

 weak, reclining, simple or sparingly branched, 3-8 dm. long : leaves 3-5 cm. long, ending 

 in very slender tendrils; leaflets 4-6, the blades thin, oblong to oblong-oblanceolate, 

 0.5-1.5 cm. long, mucronulate, very short-stalked : peduncles shorter than the subtending 

 leaves, 1-2-flowered, sparingly glandular above : pedicels 1 mm. long: calyx more or less 

 glandular ; tube campanulate ; lobes triangular-acuminate, shorter than the tube : corolla 

 white or bluish ; keel-petals about 5 mm. long : pods linear-oblong, about 1.5 cm. long. 



In sandy soil, Florida. Spring to fall. 



9. Vicia Texana (T. & G. ) Small. Perennial, more or less densely strigillose. 

 Stems branched at the base, the branches spreading or climbing, angled, 2-4 dm. long, 

 branching : leaves 2-8 cm. long ; rachis terminating in a forking tendril ; leaflets 6-10, the 

 blades linear, 8-15 mm. long, mucronulate, short-stalked : peduncles about as long as the 

 subtending leaves, few-flowered : pedicels 1 mm. long : calyx rather densely pubescent ; 

 tube turbinate-campanulate, 1 mm. long ; lobes filiform-subulate, longer than the tube : 

 corolla bluish ; keel-petals 5-6 mm. long : pods 2-2.5 cm. long. \_V. Caroliniana (3 Texana 

 T. &G.1 



On plains and prairies, Arkansas to Mississippi and Texas. Spring and summer. 



10. Vicia Leaven wdrthii T. &G. Perennial, with strigillose young foliage. Stems 

 reclining or climbing, 3-6 dm. long, branching : leaves 3-6 era. long, ending in branching 



