MIMULUS ALATUS. 



WING-STEMMED MONKEY FLOWER. 



Didynamia Gymnospermia, Linn. Scrophularix, Juss. 



GENERIC CHARACTER. 



Calix prismatic, 5-toothed. Corolla ringent; upper lip reflected at the side; palate 

 of the lower lip prominent. Stigma thick and bifid. Capsule 2-cellcd, many- 

 seeded. Seeds minute. Nutt. 



SPECIFIC CHARACTER. 



M. erect, glabrous; leaves petiolate, ovate-acuminate, serrate, peduncles axillary, 

 opposite, shorter than the flower ; teeth of the calix round, mucronate, stem 

 four-angled, winged. Willd. 



Root perennial; every part of the plant glabrous; stem erect, 

 branched, from one to three feet high, smooth, four-sided, winged 

 by a membranaceous margin. Leaves opposite, larger on the main 

 stem, ovate-lanceolate, acuminate, serrate, petiolate; petioles slightly 

 winged, costa and veins beneath very conspicuous, both sides smooth. 

 CalLx about three-fourths of an inch long, teeth rounded, acuminate. 



