SCROPHULARIACE^. (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 luuger than the 

 flower ; calyx-teeth taper-poiuted, nearly equal ; corolla jjersonate. — Wet 

 places, N. Eug. to Miuu., and southward; commou. July -Sept. — Flower 

 1-1^' loug, rarely white. 



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

 ovate, tapering into a petiole ; peduncles sliorter than the calyx, which has verv 

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

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



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

 calt/x oblique, the upper tooth longest ; corolla i/ellow, the lower lip bearded. 



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

 creeping at Ijase ; 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. LUTEUS, 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. CO NO BE A, 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 on 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, witli opposite leaves, and 

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

 from epTTTjcTTTjs, a creeping thing, the species being chiefly procumbent.) 



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



many-nerved. 



1. H. nigrescens, Benth. Erect or ascending, very leafy, glabrous; 

 leaves pinnately veined, ol)long 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. 



