522 SCROPHULARIACE.E MIMULUS 



cid-puberulent or pubescent annual : stem slender, 6-18 inches high : leaves 

 ovate to lanceolate, the blade 4-6 lines long, usually acute, abruptly con- 

 tracted into rather broad petioles, purple beneath and prominently 3-5- 

 yeined from the base : peduncles slender, 1-2 inches long, erect or ascend- 

 ing: calyx tubular-carnpanulate, about 4 lines long, truncate at the apex, 

 the short acute teeth equal : corolla yellow, 5-10 lines long, the pubescent 

 lines extending to the base of the throat: capsule oblanceolate, very short- 

 stipitate, obcompressed : seeds globular. In moist shady places, eastern 

 Oregon and Washington. 



M. Snksclorlii Gray Syn. Fl Supp. 450. A small annual 1-3 inches 

 high; whole herbage often reddish-hued; obscurely puberulent-viscidulous : 

 leaves oblong-lanceolate to linear, 3-6 lines long, thickish, entire, narrowed 

 below but scarcely petioled : peduncles filiform, usually shorter than the 

 leaves: calyx tubular-campanulate, in fruit 3-4 lines long, truncate at the 

 apex, the short and broad teeth all equal : corolla yellow or reddish, about 

 3 lines long, little exserted from the calyx the limb less than 2 lines wide 

 all 5 lobes obcordate-emarginate; throat beardless or nearly so. Bare 

 places on mountains, eastern Washington to California and Utah. 



M. rubellus Gray Bot Mex. Bound. 116. Small annual 1-6 inches 

 high : very minutely and rather sparingly glandular-puberulent but not 

 viscid : leaves narrowly oblong, entire or with a few prominent teeth, nar- 

 rowed at base but sessile, 6-10 lines long, : peduncles very slender, exceed- 

 ing the leaves : calyx cylindraceous, the teeth oblong, obtuse, ciliolate, 

 equal : corolla rose-color to yellow, 3-4 lines long, the unequal lobes scarcely 

 spreading. In moist places, eastern Washington to California, Colorado 

 and New Mexico. 



M. flori bun dus Dougl. Lindl. Bot. Reg. t. 1225. Villous with spread- 

 ing white hairs and viscid: fatem rather slender, 2-20 inches long, at first 

 erect, but soon decumbent and diffusely spreading, flowering from the 

 lowest axils : root annual : leaves ovate, or the lower subcordate, the blade 

 6-12 lines long rather coarsely toothed, all petioled : peduncles spreading, 

 about an inch long, exceeding the leaves : calyx campanulate, about 3 lines 

 long, the short triangular acute teeth nearly equal ; corolla about 6 lines 

 long, light yellow, f unnelforin : capsule globose-ovoid, obtuse, sessile : 

 seeds almost globular, light-colored. On wet banks and shady places, 

 Washington to California and the Rocky Mountains. 



M. moschatus Dougl. Lindl. Bot. Reg. t. 1118. Conspicuously villous 

 and viscid throughout: stems slender, weak and declined or ascending, 

 6-18 inches long : leaves broadly ovate 1-2 inches long, all petioled : spar- 

 ingly dentate : peduncles slender, an inch long, shorter than the leaves : 

 calyx tubular, 6 lines long, the subulate teeth subequal, half as long as the 

 tube: corolla yellow, the narrow throat about % longer than the calyx the 

 lobes nearly equal and rotately spreading ; the throat striate and spotted 

 with maroon, the pubescent lines not extended to the base : stamens not 

 exserted: capsule lanceolate, acute: seeds globular. In springy places, 

 Brit. Columbia to Oregon and the Rocky Mountains. 



M. primuloides Benth. Scroph. Ind. 29. Stems %-3 inches high, 

 glabrous or pilose-pubescent with white hairs : perennial by stolons : leaves 

 ovate to broadly lanceolate, entire or more or less dentate, narrowed below 

 but sessile, 6-12 lines long, glabrous both sides: peduncles filiform, 2-4 

 inches long, erect, usually only one to each stem: calyx tubular-campan- 

 ulate, 3-4 lines long, the broad acute teeth all equal : corolla yellow, about 

 8 lines long, funnelform ; lobes of the almost regular limb deeply emargin- 

 ate orobcordate. In mountain marshes, eastern Washington to California. 



M. pllosellus Greene Eryth. iv, 22. Very small and depressed : stems 

 2-6 lines high : perennial by stolons : leaves obovate to oblong, 2-6 lines 



