EUNANUS SCROPHULARIACE^E 519 



MIMULUS 



stem stoutish, ^-6 inches high, simple, or branched from the base: leaves 

 oblong or ovate to lanceolate, entire or obscurely toothed, contracted at 

 base ; the lower ones petioled ; including the petiole 4-12 lines long : calyx- 

 teeth broadly lanceolate, acute, a line long, about % as long as the tube; 

 corolla rose-purple with yellow and dark purple in the throat; the limb 

 4-6 lines broad, obviously bilabiate: capsule acuminate, surpassing the 

 calyx ; the valves chartaceous. On bare hills, eastern Washington to Ne- 

 vada and California. 



E. Brewer! Greene Bull. Calif. Acad. No, 3, 101. Viscid-pubescent 

 with spreading gland-tipped hairs: stem slender, 1-10 inches high, simple 

 or much branched: leaves linear, entire, an inch long, sessile: peduncles 

 slender, equalling the calyx: teeth of the calyx short-triangular, equal: 

 corolla red, with short tube and spreading limb, 4-5 lines long, little longer 

 than the calyx: capsule acute, not longer than the calyx, chartaceous, 

 dehiscent by the upper suture, the lower parting at the apex only : the 

 placentae united below. In moist places, Brit. Columbia to California, east 

 of the Cascade Mountains. 



MIMULUS L. Sp. 634. 1753. 



Annual or perennial herbs with opposite leaves and mostly 

 showy yellow blue or pink flbwers on solitary peduncles from 

 the axils of the upper leaves, or racemose by the redaction of the 

 leaves to small bracts. Calyx tubular, persistent, 5-angled or 5- 

 ribbed, 5-toothed, the upper tooth usually largest. Corolla irregu- 

 lar, its tube cylindric with a pair of ridges on the lower side with- 

 in: its limb bilabiate; the upper lip erect or reflexed, 2-lobed, the 

 lower one spreading and 3-lobed. Stamens 4, didynamous, in- 

 serted on the corolla-tube: anthers globose, the cells divergent or 

 sometimes confluent at the apex. Style filiform: stigma bilamel- 

 lar, the lobes equal, ovate or orbicular. Capsule obtuse, not sur- 

 passing the calyx, the valves membranaceous, tardily separating 

 from the central columnar united placentae. 



M. cardinalis Dougl. Lindl. Hort. Trans, ii, 70. t. 3. Villous-pubes- 

 cent, viscid above : root perennial : stems stout, 2-4 feet high : leaves ovate 

 or the lowest ovate-lanceolate; the upper connate ; all erose-dentata, 2-4 

 inches long, several-nerved from the base : peduncles 3-4 inches long,: calyx 

 oblong-prismatic, an inch or more long, its short teeth nearly equal: corol- 

 la scarlet and yellow, 1-2 inches long, with very oblique limb, the upper 

 lip erect with the lobes turned backward, the lower reflexed, the throat 

 cylindrical: stamens exserted: capsule oblong, sessile: seeds with a dull 

 and loose coat, longitudinally wrinkled. In springy places along streams, 

 western Oregon to California and Arizona. 



M. Lewisii Pursh Fl. 427 t. 20. Pubescent and more or less viscid : 

 stems numerous from a perennial root, 1-2 feet high, simple : leaves from 

 oblong-ovate lo lanceolate, denticulate, mostly acute or acuminate, 1-3 

 inches long : peduncles longer than the leaves : calyx prismatic-campanu- 

 late, 8-10 lines long, its triangular teeth short-acuminate and very acute, 

 2-3 lines long: corolla rose-red or purplish, about 1) inches long, with 

 broad throat and bilabiate limb, lobes of the upper lip obcordate, flat, of 

 the lower lip obovate and sparingly bearded in the throat : stamens not 

 exserted : stigmas oblong : capsule oblong : seeds with a dull and loose coat, 

 longitudinally wrinkled. Along mountain streams, Brit. Columbia to 

 California and Montana. 



M. dentatus Nutt. in Herb. Hook. Pubescent with stout pilose hairs : 



