MIMULUS SCROPHULARIACEX 521 
calyx campanulate, in flower about 4 lines long, the short broadly-triangu- 
lar teeth subequal; the tube at length becoming inflated and the 4 lower 
teeth incurved over the orifice: corolla bright yellow, an inch or more long, 
strongly bilabiate, the upper lip erect, its oblong lobes reflexed ; the lower 
one ample; the pubescent lines deep yellow: capsule obovate, short-stipi- 
tate: seeds obovoid, smooth, dark brown. On the banks of the Columbia 
river at Tongue Point near Astoria Oregon. 
M. nasutus Greene Bull. Calif. Acad. No. 3, 112. Usually nearly 
glabrous: stems rather stout, 6-24 inches long, branching and flowering 
from the base, distinctly quadrangular and winged: root annual, or per- 
ennial by stolons: leaves mostly subradical, ovate to reniform-cordate, 
coarsely toothed or lobed, purple beneath, the lower on broad petioles, an 
inch long, the floral reduced to short bracts: peduncles short, or long and 
filiform, ascending or spreading: calyx tubular to campanulate, in fruit 
much inflated, the teeth acute, very unequal, the upper one 3 times as 
long as the others, the lower pair in fruit bent upward lying at right angles 
across and closely enfolding the other 3: corolla yellow, 4-8 lines long, 
little surpassing the calyx: capsule oval, obcompressed, almost sessile: 
seeds minute, oblong. On wet shady banks, Oregon to California. 
M. microphyllus Benth. in DC. Prodr. x, 371. Pubescent, or in the 
smaller forms glabrous: stems terete, slender, usually simple, 2-12 inches 
high, racemose above, or in depauperate states with a single terminal 
flower: leaves few, ovate to orbicular, often cordate at base sometimes 
lyrate, denticulate or coarsely toothed, purple beneath: peduncles slender : 
calyx 2-3 lines long, often dotted with purple, oblique at the orifice, the 
teeth obscure or prominent: corolla 3-9 lines long. In moist places, Wash- 
ington to California and the Rocky Mountains. 
M. alsinoides Dougl. Benth. in DC. Prodr. x, 371. Glabrous or more 
or less puberulent and musky-scented: stem slender, at length diffuse and 
branching from the base, 3-12 inches long, terete: root annual: leaves 
broadly ovate or subcordate to oblong, the lower 3-12 lines long, coarsely 
toothed, all petioled: peduncles filiform, 1-2 inches long: calyx tubular, 
2-3 lines long, not inflated in fruit, the orifice oblique; the teeth small 
and subequal: corolla 4-6 lines long, strongly bilabiate, yellow with a 
bright crimson spoi in the centre of the lower lip: capsule oblong, acumin- 
ate, filling the calyx: seeds oblong, light-colored. On wet rocks, western 
Oregon to Brit. Columbia: flowering in very early Spring. 
M. breviflorus Piper Bull. Torr. Club xxviii, 45. A glabrous to pu- 
berulent annual: stem 1-10 inches high, erect simple or freely branching 
from the base: leaves ovate to lanceolate, entire or sparingly toothed, 3-5- 
nerved from the base, 6-12 lines long,, sessile by a broad base, or tapering 
to a short petiole: peduncles slender, about equalling the leaves in flower, 
in fruit becoming much longer: calyx oval, in fruit 3-4 lines long, its teeth 
nearly equal, short-triangular, acute: corolla pale yellow, tubular, 2-3 lines 
long; the lobes short and rounded: stigma scarcely exceeding the calyx: 
capsule ovoid, acutish. On moist banks, eastern Washington and Oregon. 
M. iulsifere Gray Proc. Am. Acad. xi, 98. From obscurely to dis- 
tinctly viscidulous-puberulent: stem erect, 4-10 inches high, loosely bran- 
ching from the base: leaves broadly ovate to lanceolate-oblong, sparsely 
denticulate to entire, 6-10 lines long, the lower ones on short margined 
petioles: peduncles about equalling or at length longer than the leaves: 
calyx cylindraceous-campanulate, in fruit about 4 lines long, with short 
triangular acute or acuminate equal teeth: corolla light yellow, 5-6 lines 
long: style longer than the calyx: capsule oblong, acute, nearly as long as 
the calyx. On bars along streams, Washington to California. 
M. peduneularis Dougl. Benth. Scroph. Ind. 49. A small erect. vis- 
