290 PAPILIONACEAE. [Vor II. 
3. Kuhnistera oligophylla (Torr.) Heller. Slender White Prairie-clover. 
4. Kuhnistera multiflora (Nutt. ) Heller. 
Round-headed Prairie-clover. (Fig. 2111.) 
Petalostemon multifiorus Nutt. Journ. Phil. Acad. 7: 
AO 
(Fig. 2110.) 
Petalostemon gracile var. oligophyllum Torr. Em- 
ory’s Mil. Rec. 139. 1848. 
Kuhnistera PEE var. occidentalis Rydberg, 
Contr. Nat. Herb, 3: 154. 1895. 
Kuhnistera oligophylla Heller, Bull. Torr. Club, 
23: 122. 1896 
Glabrous, stem slender, erect or ascending, 
usually much branched, 1°-2 4° tall, the branches 
straight, ascending. Leaves short-petioled; leaf- 
lets about 7 (5-9), linear, linear-oblong or some- 
what oblanceolate, firm, varying from less than 
1/’ wide to 2’ wide, mostly less than 10’” long, 
or those of the lower leaves larger; spikes ob- 
long or short-cylindric, blunt, less densely flow- 
ered than those of the preceding species; bracts 
lanceolate, acuminate, equalling the calyx, or 
longer, early deciduous; calyx-teeth usually 
pubescent; corolla white. 
Prairies, South Dakota to Wyoming, Texas, Ari- 
zona and Mexico. Root sometimes over 1° long. 
June-Sept. 
92. 1834. 
eee multiflora Heller Mem. Torr. Club, 5: 197. 
Glabrous, erect, corymbosely much branched, 
1°-2° high. Leaves short-petioled, often clustered; 
leaflets 3-9, linear or somewhat oblanceolate, ob- 
tuse or obtusish at the apex, cuneate or narrowed 
at the base, short-stalked, 4’/-6’” long, (//-1// 
wide; peduncles elongated; heads globose, 4//-6’” 
in diameter; bracts subulate, shorter than the 
calyx; calyx-teeth slightly pubescent; corolla 
white, about 2’” long; wings and keel-petals ovate, 
oval, or slightly cordate. 
Prairies, Kansas to Texas. Summer. 
5. Kuhnistera purpurea (Vent.) MacM. 
Violet Prairie-clover. (Fig. 2112.) 
Dalea purpurea Vent. Hort. Cels, fl. go. 1800. 
Peialostemon violaceus Michx. F1. Bor. Am.2:50. 1803. 
Dalea violacea Willd. Sp. P1. 3: 1337. 1803. 
Kuhnistera purpurea MacM. Met. Minn. 329. 1892. 
Glabrous or slightly pubescent, erect, 14°-3° high, 
branching above. Leaves short-petioled, more or 
less clustered; leaflets 3-5, narrowly linear, 3/’-9/’ 
long, 4’/-1’’ wide, acutish and often mucronate at the 
apex, narrowed at the base, very short-stalked; spikes 
peduncled, oblong or finally cylindric, %’-2’ long, 
about 5’ thick; bracts obovate, mucronate, nearly 
glabrous, equalling the silky-pubescent calyx or 
shorter; corolla violet or purple, about 2’’ long; 
standard cordate; wings and keel-petals oblong. 
Prairies, Indiana to the Northwest Territory, Texas and 
Colorado. Often grows with A. candida. July-Aug. 
