LABIATJE. 272 LYCOPUS. 



somewhat panicled, long, composed of distinct, axillary cymes, apparently 

 whorled, a little remote from each other. Peduncles smooth, round, shining. 

 Corollas pale purple. Styles much exserted. Aug. Per. Spcuivdnt. 



3. M. PIPERl'TA. 



Leslies smooth, ovate-lanceolate, serrate, petiolate ; &rflc/5 lanceolate ; calyx 

 quite smootli at base, punctate. This species, introduced from Europe, has 

 become naturalized in this country, growing in wet places, and cultivated in 

 gardens. It has a more penetrating taste and stronger smell than the other 

 species, pungent to the tongue followed by a sensation of coldness. The 

 essence of peppermint is a well known medicine, acting as a cordial, used in 

 flatulency, nausea, &c It has a purplish stem 2 — 3 feet higli, with scatter- 

 ed, deflexed hairs. Leaves sharply serrate, dark green. Corolla purplish. 

 Aug. Per. Pepjjermint. 



4. ISA'NTHUS. 

 Calyx subcampannlate ; corolla 5 parted, tube straight and 

 narrow, segments of the border ovale and equal; stamens 

 subequal; stigma linear, recurved. 



Gr. la-oi, equal, av^oi. flower; from the regularity of the flowers, a character 

 very rare among the Labiata;. 



i. CGSRU'LEUS. Mx. 



Viscid, iiairy ; /eofe^ oval-lanceolate, acute at both ends, 3-nerved ; ■pedun- 

 cles 1 — 2-flowered. A brandling, leafy herb, in dry fields, with the aspect of 

 the pennyroyal. Stem rounded, slender, 12 — 18 inches high, with branches 

 and leaves opposite. Leaves an inch or less in length, and a fourth as wide, 

 distinctly tripli-nerved. Flowers numerous, blue, with included stamens. 

 Calyx leaves lanceolate, longer than the tube. July. Per. Blue Genlain. 



5 . L Y C O' P U S . 

 Corolla subregnlar, 4-( left, upper segment broader and 

 emarginate; stamens 2, distant, simple; acl)enia4. 



Gr. Xt/jtoi, a wolf, 7rov«, foot Why so named we cannot tell. Cal. tubular, 

 4 — 5-cIeft. Cor. tube as long as the cal. Stam. diverging. Style straight, 

 as long as the stam. Ach. obliquely truncate at apex. 



1. L. SINU.\'tUS. Ell. L. Americanus. J>/tt/«. L. Europceus. .'-/.t. 

 Leaves oblong-lanceolate, sinuate-dentate, lower ones incised ; teeth of the 



calyx acuminate-spinescent ; stem square, 1 — 2 feet high; f overs small, 

 white, many in a whorl. A perennial plant, widely diffused throughout the 

 U. Stales, growing in damp grounds. In habits and general appearance it 

 resembles the Menthre, but is sufficiently distinguished by the number of 

 stamens, form of the flattened triquetrous aclienia, and its being inodorous. 

 Stem sharply 4-anglpd, the sides concave, 1 — 2 feet higli. Lower leaves 

 deeply and pinnatifidly toothed. Verticils dense. Calyx teeth longer than 

 the achenia. It dyes a permanent black. Aug. Per. Water Hvurhound. 



2. L. Virgi'nicus. 



Leaves broad-lanceolate, serrate, tapering and entire at the base ; calyx teeth 

 spineless, usually 4, shorter than the aclienia. A plant as widely diffused as 

 the preeeditig, growing in wet soils. Stem smooth, obtusely 4-ancrled with 

 the sides concave, 12 — 18 inciies iiigh, nsuall}- simple, bearing sinull vi'horls 

 of minute, ])urplish flowers. J^eaves with coarse, toolli like serraiures, sessile. 

 The whole plant often changes to purple. It is reputed a remedy for blood- 

 spitting. July, Aug. Per. Virginia Water Hoarlinund. Bugle-weed. 



