724 SCROPHULARIACEAE (FIGWORT FAMILY) 



shaped, nearly sessile, equaling the peduncles ; calyx ovoid, inflated in fruit and 

 7-10 mm. long ; throat of corolla 1-2 cm. long, broad and open. (M. Jamesii 

 T. & G.) In water or wet places, usually in springs, Ont. to 111., Wise., Mo., 

 and westw. 



4. M. LANGSDORFII Donn. Smooth, suberect or decumbent ; stem-leaves 

 oval, the lowermost long-petioled, the upper much exceeded by the peduncles ; 

 fruiting calyx 1.5-2 cm. long; corolla 2.5-4 cm. long. (M. guttatus DC.) 

 Locally naturalized in brooks and meadows, Ct. and N. Y. (Introd. from the 

 Pacific slope.) 



-- *- Leaves feather-veined, none clasping ; calyx-teeth nearly equal. 



5. M. moschatus Dougl. (MUSK FLOWER.) Villous and viscid, musk- 

 scented; stems spreading or ascending; leaves oblong-ovate, short-petioled ; 

 corolla pale yellow. Damp soil, especially by cold streams, Nfd. to N. Y., 

 e. Pa., Ont., and Mich.; abundant in the Rocky Mts., whence perhaps introd. 

 June-Sept. 



10. COWdBEA Aublet. 



Upper lip of corolla 2-lobed, the lower 3-parted. Anthers approximate. 

 Stigma 2-lobed, the lobes wedge-form. Seeds numerous. Low branching 

 herbs, with small solitary flowers. (Name unexplained.) 



1. C. multifida (Michx.) 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, Ont. to Kan., and southw.; also adv. below Phila- 

 delphia. July-Sept. 



11. BACdPA Aublet. WATER HYSSOP 



Calyx 6-parted ; the uppermost division broadest, the innermost often very 

 narrow. Upper lip of the corolla entire, notched or 2-cleft, and the lower 

 3-lobed, or the limb almost equally 5-lobed. Style dilated or 2-lobed at the apex. 

 Seeds numerous. Low herbs, flowering in summer ; ours rather succulent 

 perennials. (Said to be an aboriginal South American name.) HERPESTIS 

 Gaertn. f. MONIERA B. Juss. ex P. Br. MONNIERA B. Juss. 



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



many-nerved. 



1. B. acuminata (Walt.) Robinson. Erect or ascending, very leafy, gla- 

 brous ; leaves pinnately veined, oblong to cuneate-lanceolate, 2-5 cm. long, ser- 

 rate ; pedicels equaling and the upper surpassing the leaves ; corolla whitish or 

 purplish. (Gratiola Walt.; Monniera Ktze. ; Herpestis nigrescens Benth.) 

 Wet places, Md. to Fla. and Tex., chiefly near the coast, inland to s. Mo. 



2. B. rotundifolia (Michx.) Wettst. Nearly smooth, creeping ; leaves round- 

 obovate, half -clasping, 1-2.5 cm. long, entire, basally nerved ; peduncles twice 

 or thrice the length of the calyx ; upper sepal ovate ; corolla white or pale blue. 

 {Monniera Michx.; Herpestis Pursh.) Margins of ponds, 111. to Minn., Neb., 

 and southw. 



3. B. caroliniana (Walt.) Robinson. Stems hairy, creeping at base ; leaves 

 ovate, clasping, entire, basally nerved ; peduncles shorter than the calyx ; upper 

 sepal heart-shaped ; corolla blue. (Obolaria Walt. ; Monniera Ktze.; Herpestis 

 amplexicaulis Pursh.) Margin of ponds, pine barrens, N. J. and Md. to La. 

 Aromatic when bruised. 



* * Corolla obscurely bilabiate, the limb subequally 5-lobed; stamens almost 



4. B. MonniS.ia (L.) Wettst. Glabrous, prostrate and creeping; leave! 

 spatulate to obovate-cuneate, entire or somewhat toothed, nearly nerveless, 

 sessile; corolla pale blue. (Herpestis HBK.; Monniera Monniera Britton.) 

 River-banks and shores near the sea, Md. to Tex. 



