131 LEOCMIXosj;. trifolium. 



slender, s.-li> 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, refiexed; tube of the 

 calyx very villous, a line or less long, the subulate-setaceous teeth about 

 half aa long as the petals, silky-plumose: ovary 4-ovuled, In open places 

 that are wet in spring, Oregon to California. 



T. Harueyeiisis Howell P.C. PL Coll. of 1887. Glabrous or nearly so; 

 sterna erect; tt-lS 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, 1-3 inches long, appressed pubescent be- 

 neath ; (lowers in dense oblong heads, on rather long pedicels, at length 

 refiexed: 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 petals : ovary 

 densely tomentose. In alluvial prairies, Harney valley southeastern 

 I Oregon. 



T. Oreganuni 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 refiexed in age; tube of the calyx minutely 

 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- 

 toiled, twice longer than the tube: flowers sessile, not refiexed: sti- 

 pules lanceolate, acuminate. % 



T. a His si mum 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 exeunvnt: flowers in 

 dense oblong or ovate spikes, 0-8 lines long; lower tooth of the calyx 

 straight, the others curved or twisted : petals red: ovary smooth, 2-ovuled. 

 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 refiexed: perennials. 



T. Beckwithii Brewer Watson Proc. Am. Acad. xi. 128. Stout: leaflets 

 oblong to oblanceolate, obtuse or acute, 1-2 inches long, coarsely veined 

 arid toothed: flowers 7-9 lines long, in dense globose heads; teeth of the 

 calyx linear-subulate: ovary 2-6-ovuled. Southern Idaho to northern 

 ( 'liilornia. 



'I 1 . Kingii Watson Bot. King. oil. Slender, 6-8 inches high: stipules 

 lanceolate to ovate, entire or the upper ones dentate ; lower leaflets round- 

 ovate to oblong, obtuse, upper ones linear-oblong to lanceolate, acute, all 

 serrate: Mowers in oblong spikes, the rachis often produced above 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 M mntains 'at Camp Polk, Oregon, to California, Utah and Montana. 



T. Howellil Watson Proc. Am. Acad, xxiii, 2(12. 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-:; inches long irregularly-toothed peduncles axillary, longer than the 

 leaves: Mowers 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;* (1-7 lines long, much longer than the others, free; ovary 2-ovuled ; 



