-- 'PRIFOLIUM,. LEGUMINOS 4. 138 
appressed hoary pubescence throughout: leaflets 3-5, obovate to oblanceo- 
late, coarsely serrate, 5-6 lines long: stipules mostly scarious and inflated : 
peduneles shorter than the leaves; flowers few, 3-4 lines long, on short 
pedicels: tveth of the calyx linear, but little longer than the tube, a third 
shorter than the petals :ovary densely villous, 2-ovuled. In open forests, 
Blue Mountains of Oregon. ; 
§ 2. Eurrirotium. Heads not involucrate: peduncles termi- 
nal or apparently so: flowers sessile or nearly so. 
* More or less pubescent: teeth: ofthe calyx longer than the tube, 
very. narrow : stipules linear or lanceolate, acuminate. 
+ Teeth of the calyx plumose or hairy. 
++ Flowers never reflexed. 
T. albopurpureum T. & G. FI. i, 318. 7. Macrei of authors not H. & 
A. Somewhat villous, with appressed or spreading hairs: stems slender, 
branching, 6-12 inches high: from an annual root: stipules ovate to lanceo- 
late, long-acuminate: leaflets obovate to narrowly oblong, obtuse or re- 
tuse, serrulate above the middle, 2-6 lines long: flowers in dense, ovate 
slender-peduncled heads, sessile, dark purple; calyx very villous, the 
straight filiform plumose teeth as long as the petals, somewhat spreading : 
petals scarcely connected: ovary pubescent: pods |-seeded. On dry hill- 
sides, western Washington to California. 
T. PRATENSE L. Sp. 1082. (Rep Clover). Perennial: stems ascending, 
somewhat hairy, 1-3 feet long: stipules broadly lanceolate, membrana- 
ceous, nerved, setaceously acu™inate: leaflets obcordate or oblong-oyate, 
often emarginate, nearly entire, glabrous above, 1-2 inches long: heads of 
flowers ovate, dense, nearly sessile, bracteate ; teeth of the calyx setaceous, 
hairy, the lower one much longer than the other four, which are equal 
and about half as long as the corolla; petals purplish-red, all united into a 
tube at the base. Roadsides and cultivated fields, common, 
_T. longipes Nutt. T. & G. Fl.i,314. Glabrous or nearly so: stems 
erect or ascending from spreading perennial roots, 6-20 inches high, stout: 
stipules mostly narrow, entire or sparsely toothed, apiculate: leaves long- 
petioled; leaflets lanceolate to ovate, entire or minutely denticulate, 1-2 
inches long, acute or obtuse, apiculate, strongly veined: flowers white, in 
dense ovate long-peduncled heads, sessile or nearly so; tube of the calyx 
sparingly villous, a line long, the setaceous teeth minutely plumose ; 5-7 
lines long, nearly equalling the corolla; upper petal free, the others united 
with the staminal tube: ovary pubescent at the apex, shortly stipitate, 
2-4-ovuled. In wet places and about springs, Brit. Columbia to California 
and the Rocky Mountains. 
Var. latifolium Hook. Lond. Journ. Bot. vi, 209. Often low: leaflets 
broad: flowers pedicillate, in loose heads. From the Rocky Mountains to 
the Pacific. 
‘ ++ +* Flowers at length reflexed. 
_T. eriocephalum—Nuit. |. ¢. 315. Villous with spreading hairs, stems), 0 
erect, 6-10 inches high or more, from astout perennial root: stipules linear 
to lanceolate, entire or repand; 12-18 lines long: leaflets oblong to lanceo--( Uqe 
late, 1-2 inches long, acutely and minutely serrulate: flowers in dense &“-~* ‘"’ 
ovate spikes, yellowish'or white, 4-8 lines long; tube of the calyx very 
short, its filiform plumose teeth abruptly narrowed from a broad base, 
nearly equalling the petals; claws of the petals united to the staminal 
tube; ovary hairy, 2—4-ovuled. Common in open places, western Wash- 
ington and Oregon to northern California. 
4 
3 
T. plumosum Dougl. Hook. Fl. i, 130, t. 49. Silky-pubescent: stems 
