MiMULCs SOROPHULARIACE^ 521 



calyx campanulate, in flower about 4 lines lon^, 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 Ions;, 

 strongly bilabiate, the upper lip erect, its oblong lobes reflexed ; the lower 

 one ample; the jjubescent 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. nasntns 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 sprea'ding : calyx tubular to, campanulate, in fruit 

 much inflated, the teeth acute, verjf 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, obcpmpressed, almost sessile: 

 seeds minute, oblong. On wet shady banks, Oregon to California. 



M. ' microphyllns Benth. in DC. Prodr. x, 371. Pubescept, or in the 

 smaller fornis 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 Bougl. Benth. in DO. 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, 

 ^-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 spot 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. brevlfloras 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, sbort-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. I'nIsifersB 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. pednncnlaris Dougl. Benth. Scropb. Ind. 49. A small erect vis- 



