SCROPHULARIACE^E. (FIGWORT FAMILY.) 383 



* Erect from a perennial root, glabrous; leaves feather-veined ; corolla violet- 



purple. 



1. M. ringens, L. Stem square (1 -2 high) ; leaves oblong or lanceolate, 

 pointed, clasping by a heart-shaped base, serrate ; peduncles longer than the 

 flower ; calyx-teeth taper-pointed, nearly equal ; corolla personate. Wet 

 places, N. Eng. to Minn., and southward; common. July -Sept. Flower 

 1 - 1|' long, rarely white. 



2. M. alatus, Ait. Stem somewhat winged at the angles; leaves oblong- 

 ovate, tapering into a petiole ; peduncles shorter than the calyx, which has very 

 short abruptly pointed teeth ; otherwise like the last. Wet places, western 

 N. Eng. to 111., south to N. C. and Tex. 



* * Leaves several-nerved and veiny, dentate, the upper sessile and clasping ; 

 calyx oblique, the upper tooth longest ; corolla yellow, the lower lip bearded. 



3. M. Jamesii, Torr. Diffusely spreading, smooth or smoothish ; stems 

 creeping at base ; stem-leaves roundish or kidney-shaped, nearly sessile, equal- 

 ling the peduncles ; calyx ovate, inflated in fruit ; throat of corolla broad and 

 open. In water or wet places, usually in springs, N. Mich, and Minn, to 111., 

 Kan., and westward. 



M. LtJTEUS, L. Erect or with later branches spreading ; leaves ovate to 

 roundish or subcordate; corolla deep yellow, with brown-purple dots or 

 blotches, often large. Wet meadows, Norfolk, Ct. (Adv. from Calif.) 



9. CONOBEA, Aublet. 



Calyx 5-parted, equal. Upper lip of corolla 2-lobed, the lower 3-parted. 

 Stamens 4, fertile ; anthers approximate. Stigma 2-lobed, the lobes wedge- 

 form. Seeds numerous. Low branching herbs, with opposite leaves, and 

 small solitary flowers ou axillary peduncles. (Name unexplained.) 



1. C. multifida, Benth. Annual, diffusely spreading, much branched, 

 minutely pubescent ; leaves petioled, pinnately parted, divisions linear-wedge- 

 shaped; peduncles naked; corolla (greenish-white) scarcely longer than the 

 calyx. Along streams and shores, Ohio to 111., Ark., and Tex. ; also adv. 

 below Philadelphia. July - Sept. 



10. HERPESTIS, Gaertn. f. 



Calyx 5-parted ; the upper division broadest, the innermost often very nar- 

 row. Upper lip of the corolla entire, notched or 2-cleft, and the lower 3-lobed, 

 or the limb nearly equally 5-lobed. Stamens 4, all fertile. Style dilated or 

 2-lobed at the apex. Seeds numerous. Low herbs, with opposite leaves, and 

 solitary axillary flowers ; in summer ; ours rather succulent perennials. (Name 

 from epiTTHrT'fis, a creeping thing, the species being chiefly procumbent.) 



* Corolla plainly bilabiate, the 2 upper lobes united to form the upper lip; leaves 



many-nerved. 



1. H. nigr^SCens, Benth. Erect or ascending, very leafy, glabrous; 

 leaves pinnately veined, oblong to cuneate-lanceolate (1-2' long), serrate; 

 pedicels equalling and the upper surpassing the leaves; corolla whitish or 

 purplish. Wet places, Md. and N. C. to Tex., along and near the coast. 



