84 LEGUMINOSJE. 



6. L. violacea Pers. : diffuse, much branched, somewhat pubescent ; leaves 

 on long petioles ; leafets elliptic-obtuse, somewhat hairy ; racemes subum- 

 belled, about as long as the leaves ; flowers in pairs, distinctly pedicellate ; 

 legume rhomboidal, reticulate and smooth. Hedysarum vwlaceum Linn. 



Dry woods. Can. to Flor. W. to Miss. July. 1\.. Stem long, slender. 

 Flowers violet. Lespedeza divergens of Pursh, is probably only a variety of the 

 above, although Mr. Elliott considers it very distinct. " It is, he says, distin- 

 guished by much larger leaves on much longer petioles, its stem is much more 

 diffusely branched, the peduncles long, with the flowers scattered and distinctly 

 racemose." Torrey and Gray include under this species L. divergens Pursh. 

 L. frustescens Linn, (not of ELI.) L. sessiliflora Mich., and L. reticutala Pers. 



Violet-flowered Lespedeza. 



7. L. procumbens Mich. : slender, procumbent, with the branches assur- 

 gent, everywhere pubescent ; leaves on long petioles ; leafets oval, obtuse, 

 mucronate j rapemes short, subumbellate, on long erect axillary peduncles, 

 few-flowered; legume orbicular-ovate, pubescent. Hedysarum Lespedeza 

 Lam. 



Sandy woods. Mass, to Flor. W. to Miss. Aug., Sept. 0|.. Stem 23 

 feet long, densely pubescent. Flowers purple, tinged with violet. 



Procumbent Lespedeza. 



8. L. repens Torr. fy Gr. : minutely pubescent or nearly smooth, dif- 

 fusely procumbent ; leafets oval or obovate-elliptical, the uppermost ones 

 emarginate ; petioles mostly very short ; peduncles axillary, elongated, few- 

 flowered ; legume nearly orbicular. L. repens Dart. L. prostrala Pursh. 

 Hedysarum repens Linn. 



Sandy fields. Can. to Geor. W. to Ken. July, Aug. 1\..Stem 2 feet or 

 more long, very slender. Flowers violet, smaller than in the last. 



Slender Lespedeza. 

 19. VICLA. Linn. Vetch. 



(A name derived from a Celtic term, signifying Vetch.) 

 Calyx tubular, 5-cleft or 5-toothed ; two upper teeth shorter. 

 Corolla papilionaceous. Stamens diadelphous. Style filiform, 

 bent at a right angle with the ovary, bearded beneath the stig- 

 ma, Legume oblong, many-seeded. 



* Flowers on peduncles. 



1. V. Caroliniana Walt. : smoothish; leafets 8 10, elliptical-lanceolate, 

 subalternate, obtuse, mucronate ; stipules ovate-lanceolate, entire ; pedun- 

 cles many-flowered, as long as or longer than the leaves ; flowers distant ; 

 teeth of the calyx short ; style villous at the top ; legume lanceolate, smooth, 

 obliquely veined. V. parviflora Mich. 



Borders of woods. Can. to Geor. W. to Ken. May, June. I}.. Stem long 

 and climbing. Flowers small, white or pale blue. Standard black at the tip. 



Carolina Vetch. 



2. V. Americana Muhl. : leafets 812, elliptic-lanceolate, obtuse, smooth, 

 mucronate ; stipules semisagittate, deeply toothed ; peduncles 4 8-flowered, 

 shorter than the leaves. 



Woods. Can. to Penn. W. to the Rocky Mountains. June. 'ZJ.. Stem 

 1 3 feet long, slender, somewhat 4-angled. Flowers pale purple, three-fourths 

 of an inch long. American Vetch. 



