Vor, II.J PEA FAMILY. 325 
11. Lespedeza leptostachya Engelm. 
Prairie Bush-clover. (Fig. 2202.) 
Lespedeza leplostachvya Engelm.; A. Gray, Proc. Am. 
Acad, 12: 57. 1876. 
Erect, simple or branched, 1°-3° high, silvery-pu- 
bescent with appressed hairs. Stipules subulate; 
petioles shorter than the leaves; leaflets linear, 1/—1 4’ 
long, 1//-2’’ wide; spikes slender, interrupted and 
loosely flowered, on peduncles equalling or exceeding 
the leaves; corolla as in the preceding species; 
flowers all complete; pod ovate, pubescent, about 
14’ long, nearly equalling the calyx. 
Prairies, Illinois to Iowa, Wisconsin and Minnesota. 
Aug.-Sept. 
12. Lespedeza striata (Thunb.) H. & 
A. Japan Clover. (Fig. 2203.) 
Hedysarum striatum Thunb. FI. Jap. 289. 1784. 
Lespedeza striata H. & A. Bot. Beechey, 262. 1841. 
Annual, diffuse or ascending, branched, 
tufted, sparingly appressed-pubescent, 6/—12/ 
long. Stipules ovate, acute or acuminate, 1//- 
2/’ long; petioles much shorter than the leaves; 
leaflets oblong or oblong-obovate, 4//-9’’ long, 
1//-4/ wide, obtuse at the apex, narrowed at the 
base, their margins usually sparingly ciliate; 
flowers 1-3 together, both petaliferous and apet- 
alous, sessile or nearly so in the axils; corolla 
pink or purple, about %/’ long; calyx-lobes 
ovate; pod oval, acute, exceeding the calyx- 
lobes. 
In fields, Virginia to Illinois, Missouri, and 
very common in the Southern States. Naturalized 
from eastern Asia. Hoopkoop-plant. July-Aug. 
36. VICIA L, Sos AG Gee ISB} 
Climbing or trailing, herbaceous vines, with pinnate tendril-bearing leaves, half-sagit- 
tate or entire stipules, and axillary sessile or racemose, blue violet or yellowish flowers. 
Calyx-tube somewhat oblique, obtuse at the base, its teeth about equal, or the two upper 
ones slightly longer. Standard obovate or oblong, emarginate, clawed; wings obliquely 
oblong, adherent to the shorter oblong curved keel. Stamens diadelphous (9 and 1), or 
monadelphous below; anthers all alike. Ovary sessile or stipitate; ovules w; style 
very slender, with a tuft or ring of hairs at its summit. Pod flat, dehiscent, 2-valved, con- 
tinuous between the seeds. [The classical Latin name of the Vetch. ] 
About 120 species of wide geographic distribution. In addition to the following, about 12 
others occur in the southern and western parts of North America. 
Flowers racemed or spicate; peduncles elongated. 
Indigenous perennials. 
Spike-like racemes dense, 1-sided, 15-40-flowered. 1. V. Cracca. 
Racemes loose, 1-20-flowered. 
Flowers 7'’-10'' long. 
Leaflets elliptic, or ovate-oblong. 2. V. Americana. 
Leaflets narrowly linear; western. 3. V. linearis. 
Flowers 2''-5'' long. 
Racemes 8-20-flowered; flowers 4'’-5'’ long. 4. V. Caroliniana, 
Racemes 1-6-flowered; flowers 2'’-4'’ long. 
Leaflets 2-5 pairs, linear, or those of the lower leaves oval or obovate. 
5. V. micrantha. 
Leaflets 4 or 5 pairs, all oval, elliptic or obovate. 6. V. Ludoviciana, 
Introduced annuals; flowers few, 2'’-3'' long. 
Pod glabrous, 3-6-seeded. 7. V. telrasperma. 
Pod pubescent, 2-seeded. 8. V. hirsuta. 
