‘ 
Vot.. IT.] PEA FAMILY. 291 
6. Kuhnistera tenuifolia (A. Gray) Kuntze. Silky Prairie-clover. 
(ig. 2173... 
Petalosiemon tenuifolius A. Gray, Proc. Am. Acad. 
II: 73. 1876. 
ara tenuifolia Kuntze, Rev. Gen. Pl. 192. 
More or less pubescent, erect, branching, 1°-2° 
high. Leaves short-petioled; leaflets 3-5, linear, 
obtuse, somewhat involute, dotted with sessile 
glands, 3/’-5’’ long, 14’’-1’’ wide, very short- 
stalked or sessile; peduncles terminal, elongated, 
bracted; spikes oblong or cylindric, %4’—1%4/ long, 
about 5’’ thick, the rachis pubescent; flowers 
rose-purple, about 214’’ long; bracts ovate, aris- 
tate, silky-pubescent, slightly exceeding the very 
silky-pubescent calyx; standard nearly orbicular, 
cordate, cucullate. 
In dry soil, Kansas? Arkansas to New Mexico. 
July—Aug. 
7. Kuhnistera foliosa (A. Gray) Kuntze. 
Leafy Prairie-clover. (Fig. 2114.) 
Petalostemon foliosus A. Gray, Proc. Am. Acad. 7: 336. 
1868 
Kuhnistera foliosa Kuntze, Rev. Gen. Pl. 192. 1891. 
Erect, branching, or sometimes simple, glabrous 
throughout, 1°-3° high. Leaves numerous, peti- 
oled; leaflets 13-31, close together, short-stalked, 
linear-oblong or slightly oblanceolate, 4’’—7’’ long, 
1//-1%4/’ wide, acute or obtuse, mucronate at the 
apex, narrowed at the base; spikes terminal, long- 
ovoid or cylindric, 1/2’ long, 5/’-6’’ thick, densely- 
flowered; peduncles short, bracted; bracts lanceo- 
late, awn-pointed, longer than the glabrous calyx; 
flowers rose-purple, about 2’” long; standard broad, 
nearly orbicular; wings and keel-petals oval; calyx- 
teeth finely ciliate. 
Along rivers, Illinois and Kentucky. July—Aug. 
8. Kuhnistera villosa (Nutt. ) Kuntze. 
Hairy Prairie-clover. (Fig. 2115.) 
Petalostemon villosus Nutt. Gen. 2:85. 1818. 
Dalea villosa Spreng. Syst. Veg. 3: 326. 1826. 
oo villosa Kuntze, Rev. Gen. Pl. 192. 
Ascending or decumbent from a deep root, 
branching at the base, densely villous or silky- 
pubescent all over, 1°-2° high. Leaves short- 
petioled or nearly sessile; leaflets 9-17, ap- 
proximate, linear-oblong, or slightly oblanceo- 
late, acute or obtuse and often aristate at the 
apex, narrowed at the base, 3//-5’” long, 1//— 
2/’ wide; spikes terminal, clustered or solitary, 
short-peduncled, cylindric, 1/-3/ long, 5’’-6’’ 
thick, very dense; bracts lanceolate, acumin- 
ate, exceeding the densely villous calyx; co- 
rolla rose-purple or rarely white, standard ob- 
long; wings and keel-petals oblong-obovate. 
Prairies, Wisconsin to the Saskatchawan 
Tegion, south to Missouri and Montana. Ag. 
