SCROPHULARIACEiE. (fIGWORT FAMILY.) 383 



» Erect from n perennial root, glabrous; leaven feather-veined ; corolla violet' 



purple. 



1. M. ringens, L. Stem square (1 -2"^ higli) ; leaves ohlontj or lanceolate, 

 pointed, claspimj hy a heart-shaped baj»e, serrate ; peduncles Xon^vv than the 

 flower ; calyx-teeth taper-pointed, nearly equal ; ccn-olla ))ersonate. — Wet 

 places, N. Enj;. to Minn., and southward; common. .iuly-St'jjt. — Flower 

 1 - 1|' long, rarely white. 



2. M. al^tus, Ait. Stem somewhat winged at the angles; leaves oblong- 

 ovate, tapering into a petiole ; peduncles shorter than tiie calyx, which has verv 

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

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



* # Leaves several-nerved and vcini/, dentate, the tipper sessile and clasping ; 

 (•(di/.r ohlifpw, the upper tooth longest ; corolla i/ellow, the lower lip bearded. 



3. M. Jam^sii, 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. P>ect 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, Auldet. 



Calyx 5-parted, equal. Upper lip of corolla 2-lol)ed, the lower 3-parted. 

 Stamens 4, fertile ; anthers approximate. Stigma 2-lol)ed, the lobes wedge- 

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

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



1. C. multlfida, 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 Philadelj)hia. 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 .'Mobed, 

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

 2-lobed at tlio apex. Seeds numerous. — Low herbs, with oj)posite leaves, and 

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

 from €pTrv(TTr}s, o creeping thing, tiie species being chiefly procumbent.) 



* Corolla plainlij 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 u})per surpassing the leaves; corolla whitish or 

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



