310 SCROPHULARIACE.E. (FIGWOKT FAMILY.) 



peduncles longer than the flowers. Swamps iu the upper districts. August. 

 Stem l-2 high. Leaves thin, 2' -4' long. Corolla showy, the palate 

 greenish aud pubescent. 



2. M. alatUS, Ait. Stem square, with winged angles; leaves oblong- 

 ovate, acuminate, serrate, tapering at the base into a petiole ; peduncles 

 shorter than the flowers Swamps. July - August. Stem 2 high. Leaves 

 2' - 5' long. Calyx teeth small. 



7. HERPESTIS, Gajrtn. 



Calyx 5 parted ; the 3 outer lobes, especially the upper oue, broader. 

 Corolla bell-shaped, 5-lobed or bilabiate, with the upper lip 2-lobed or emar- 

 giuate, the lower 3-lobed. Stamens 4, didyuamous : anther cells contiguous 

 or divaricate. Style dilated and flattened at the apex. Capsule 2-valved, 

 many-seeded. Low herbs, with opposite leaves. Flowers opposite, axillary, 

 or in leafy terminal racemes. 



* Stems 4-aii(jled: leaves serrate: peduncles 2-bracted at the base: exterior calyx 



lubes oblong: corolla white. 



1. H. nigrescens, Benth. Smooth; stem erect, simple or branched; 

 leaves oblong or oblong-obovate, rather obtuse, serrate above the middle; 

 lower peduncles as long as the leaves, the upper much longer ; tube of the 

 corolla striped with blue ; the upper lip rounded. Low ground. August - 

 Sept. Stem I- 1| high. Leaves l'-2' long. 



2. H. chamsedryoides, HBK., var. peduncularis, Gray. Smooth; 

 stem decumbent, diffuse, creeping near the base; leaves small, ohovate-oblong, 

 entire near the base ; peduncles filiform, 3-4 times as long as the leaves. 

 Key West. Steins G'-12' long. Leaves 4"- 6" long. Flowers smaller 

 than in Xo. 1. 



* * Stems terete, succulent, creeping : leaves ocate or roundish, entire : exterior 



cali/.r lubes corda/e or orate : jiediincfes 2-brncted at. the a/ie.r. 



3. H. Monniera, Kunth. Smooth ; stems creeping ; leaves fleshy, 

 wedge-obovate ; corolla bell-shaped, witli the rounded lobes nearly equal ; 

 peduncles as long as the flowers; exterior calyx lobes ovate. Ditches and 

 muddy banks along the coast. June -Sept. 2/ Stem 1- 2 long. Leaves 

 1' long. Corolla white or pale blue. 



4. H. amplexicaulis, Pursh. Stem villous, ascending from a creeping 

 base ; leaves smoothish, ovate, cordate and clasping, obtuse ; peduncles 

 shorter than the flowers ; exterior calyx lobes cordate ; base of the ovary sur- 

 rounded by a 12-toothed disk. Pine barren ponds in the lower districts. 

 July -Sept. 2Z Flowering stems 6' -8' high. Leaves \' long, crowded. 

 Flowers blue. Plant odorous. 



5. H. repens, Cham. & Schlect. Smooth, or the summit of the creeping 

 stems pubescent ; leaves oval, clasping ; peduncle about as long as the flower ; 

 exterior calyx lobes oval or slightly cordate, reticulate-veiny, nearly ns long 

 as the white corolla. (H, micrantha, Ell.) Banks of the Ogeedieo Piiver,, 

 Georgia (Elliott). 



