DIDYNAMIA GYMNOSPERMIA 355 



lary branches ; pedicels solitary, opposite, in the axils of the small leaves, with 

 minute filiform pubescent bracts at base. Calyx minutely pubescent. Corolla 

 palish violet-purple (rarely milk white), minutely pubescent externally, 1 fourth 

 to 1 third of an inch long. Akenes tuberculate. 



Hab. Low swampy grounds; ditch banks, <fcc. frequent. Fl. July— Aug. Fr. Sept. 

 Obs. Some years since, this plant had much notoriety in consequence of the as- 

 sertions of Empirics, and Newspaper Editors, that it was a sovereign remedy for 

 Hydrojyhobia. Like its numerous predecessors, of the same pretensions, it had its 

 day of importance among the credulous, and then sank into the oblivion which 

 necessarily awaits all such specifics. Four or five additional species are enumer- 

 ated in the U. States. 



8. Nhpbta Tribb. Calyx oblique, or sub-bilabiate, the upper segment* larger. 

 Corolla bilabiate ; upper lip somewhat vaulted, lower one spreading, throat most- 

 ly inflated. Stamens ascendtag or diverging, the upper pair longer- Nbpbtbjb. 

 Benth. 



285. LOPHANTHUS. Benth. Lab. p. 462. 

 [Greek, Lophos, a crest, and Anthos^ a flower ; in allusion to the flowers] 



Calyx tubular, 15-nerved ; limb oblique, 5-cleft, upper segments rather 

 longer. Corolla bilabiate ; upper lip somewhat erect, bifidly emargi- 

 nate ; lower lip 3-lobed, middle lobe broader, crenate. Stamens diver- 

 ging, upper pair longer ; anthers 2-celled; cells parallel, or finally some- 

 what diverging. 



1. L. scRornuLARiiEFOLius, Benth. Stem pubescent, with the an- 

 gles obtuse ; leaves cordate-ovate, crenatc-serrate ; petioles ciliate-pubes- 

 cent. Benth. Lab. p. 463. 

 Hyssopus scrophularifolius. Willd. and the other authors here quoted. 



ScROPHULARIA-LEAVED LOPHANTHUS. 



Root perennial (biennial, Willd.). Stem 3 to 5 feet high, stout (often half an 

 inch in diameter), branched, mostly dark purple, pubescent, the aides concave, 

 the angles obtuse, or rounded. Leaves 3 to 6 inches long, and an inch and half to 

 3 or 4 inches wide, ovate, acuminate, coarsely and rather obtusely serrate, obtuse 

 and often cordate at base, more or less pubescent with short hairs, sometimes 

 nearly smooth, dark green or purplish ; petioles 1 to 2 inches long, mostly con- 

 spicuously ciliate-pubescent. Verticils crowded in terminal cylindric purplish 

 spikes 2 to 6 inches in length, interrupted at base ; bracts ovate, acuminate, smooth- 

 ish. Calyx smoothish ; segments lanceolate, purplish. Corolla pale purple. 

 Stamens and style exserted. 



Hab. Fence-rows; thickets, kc. frequent. Fl. August. Fr. September— Octo. 



2. L. nepetoides, Benth. Stem smooth, with the angles acute and 

 sub-alate ; leaves ovate and lance*ovate, acutely serrate ; petioles smooth- 

 ish. Benth. Lab. p. 463. 



Hyssopus nepetoides. Willd. and the other authors here quoted. 

 Nepeta-like Lophastthus. 



Root perennial. Stem 4 to 6 feet high, branched, pale yellowish green, nearly or 

 quite smooth, the sides concave or depressed, striate, the angles prominent, with 

 a sharp sub-alate ridge. Leaves 2 to 4 or 5 inches long, and 1 to 2 or 3 inches wide, 

 ovate and lance-ovate, acutely serrate, with a conspicuous entire acumination,mi- 



