134 LEGU MINOS 48. TRIFOLIUM. 
slender, 8-16 inches high, from a stout perennial root, erect or ascending: 
stipules linear-lanceolate, acuminate, adnate to above the middle: leaflets 
narrowly oblong to linear, 1-2 inches long, acuminate, denticulate: flowers 
white, in dense oblong or ovate spikes, 6 lines long, reHexed; tube of the 
calyx very villous, a line or less long, the subulate-setaceous teeth about 
half as long as the petals, silky-plumose: ovary 4-oyuled, In open places 
that are wet in spring, Oregon to California. 
T. Harneyensis Howell P.C. Pl. Coll. of 1887. Glabrous or nearly so; 
stems erect; 6-18 inches high, from a creeping perennial root: stipules linear 
to lanceolate, entire or dentate, an inch or more long; leaflets linear to ob- 
lanceolate; irregularly dentate, 1-5 inches long, appressed pubescent be- 
neath; flowers in dense oblong heads, on rather xe pedicels, at length 
reflexed: tube of the calyx appressed-pubescent, less than a line long, 
the subulate teeth 2-3 lines long, less than half as long as the petais: ovary 
densely tomentose. In alluvial prairies, Harney yalley southeastern 
Oregon. 
T. Oreganum Howell Eryth. i, 110. Perennial; stems decumbent or 
ascending, 6-8 inches long; herbage glabrous or the petioles and peduncles 
appressed-silky ; stipules linear or the upper ones lanceolate, acute, entire 
or serrate above the middle; leaflets linear-oblong to lanceolate, entire or 
denticulate, 6-12 lines long; flowers pinkish or light red in loose subumbel- 
late heads, the short pedicels reflexed in age; tube of the calyx minntely 
villous, a line long, the subulate-setaceous teeth twice longer: ovary 
smooth, stipitate, 3-4-ovuled. In moist places, eastern base of the Coast 
Mountains, near Waldo, Josephine Co., Oregon. 
* * Glabrous perennials: teeth of the calyx. subulate, rigid, con- 
torted, twice longer than the tube: flowers sessile, not reflexed: sti- 
pules lanceolate, acuminate. 
T. altissimum Dougl. Hook. Fl. i, 130, t, 48. Erect, stout, a foot or 
more high: stipules very long, toothed; leaflets narrowly oblanceolate, 
very acute, 2 inches long, strongly veined, the veins excurrent: flowers in 
dense oblong or ovate spikes, 6-8 lines long; lower tooth of the calyx 
straight, the others curved or twisted: petals red: ovary smooth, 2-oyuled. 
Eastern Oregon and Washington to Idaho. / 
* * * Glabrous throughout: teeth of the calyx straight, scarcely — 
longer than the tube: stipules lanceolate to ovate: flowers on very 
short pedicels, at length reflexed: perennials. 
T. Beckwithii Brewer Watson Proc. Am. Acad, xi, 128. Stout: leaflets 
oblong to oblanceolate, obtuse or acute, 1-2 inches long, coarsely veined 
and toothel: flowers 7-9 lines long, in dense globose heads; teeth of the 
calyx linear-subulate: ovary 2-6-ovuled. Southern Idaho to northern 
California. . 
1. Kingii Watson Bot. King, 59. Slender, 6-8 inches high: stipules 
lanceolate to ovate, entire or the upper ones dentate; lower leaflets round- 
vvate to oblong, obtuse, upper ones linear-oblong to lanceolate, acute, all 
serrate: flowers in oblong spikes, the rachis often produced aboye the 
head with a few spinescent bracts; teeth of the calyx thin, subulate, a 
line long, but little if any longer than the tube, about one-third the 
length of the purplish corolla. In moist places, eastern base of the Cas- 
cade Mountains at Camp Polk, Oregon, to California, Utah and Montana. 
T. Howellii Watson Proc. Am. Acad. xxiii, 262. Stems stout, erect, 1-3 
feet high: stipules of the lower leaves narrowly lanceolate, of the upper 
~ ones ovate, all entire: petioles short; leaflets mostly cuneate-oblanceolate, 
1-8 inches long irregularly-toothed peduncles axillary, longer than the 
leaves; flowers white, in rather dense ovate or. oblong heads, 4-6 lines 
long; teeth of the calyx subulate, about as long as the tube; upper petal 
oblong, (-7 lines long, much longer than the others, free; ovary 2-ovuled ; 
