MuNARDA. XCm. LABIATE. 417 



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

 the precedina:, growing in wet soils. Stem smooth, obtusely 4-angled, with the 

 sides concave, 12 — 18' high, usually simple, bearing small whorls of minute, 

 purplish flowers. Leaves with coarse, tooth-like serraiures, sessile. The 

 whole plant ol^ten changes to purple. It is reputed a remedy for blood-spit- 

 ting. July, Aug. 



Tribe 3. MONARDEiE.— Corolla bilabiate; tube exserted. Stamens 2, fer- 

 tile, ascending, the upper pair abortive ; anthers linear with the 2 cells con- 

 tiguous, or halved with the 2 cells widely separated on opposite ends of a 

 long, transverse connectile. 



7. MONARDA. 



Name in honor of Monardus, a Spanish botanist of the 16th century. 



Calyx elongated, cylindric, striate, sube(pally 5-tootIied ; cor. rin- 

 gent, tubular, upper lip linear, lower lip reflexed, 3-lobed, the middle 

 lobe narrowest ; sta. 2, fertile, ascending beneath the upper lip, and 

 mostly exserted; anth. cells divaricate at base, connate at apex. — % 



1. M. DiDYMA. (M. purpurea. i-«m. M. coccinea. 71ficA.T.) Mountain Mint. 

 St. acutely 4-angled ; Ivs. broadly ovate, acuminate, somewhat rough and 



villous, on short petioles, veins and veinlets hairy beneath ; Jls. in terminal, 

 often proliferous heads; bracts colored. — A handsome, fragrant plant, 2 — 3f 

 high, with crimson or scarlet flowers. Stem mostly branching. Leaves 2 — 5' 

 long, very broad at base, otten cordate, serrate, with scattered hairs above, and 

 prominent, hairy veins beneath. Flowers in heads which are often proliferous, 

 with large, ovate-lanceolate bracts tinged with the same color as the corollas. 

 Calyx colored. Corollas large and showy. Styles 4, 2 of which are minute 

 and abortive; hence the specific name. A beautiful plant in cultivation 

 Swamps, Can. to Ga. 



2. M. FisTui,osA. ^M. oblongata, rugosa, clinopodia, allophylla, mollis, pur- 

 purea, of authors^ Horsemint. Wild Bergamot. — Lvs. ovate-lanceolate, 



acute or acuminate, petiolate, more or less pubescent ; hds. of Jls. terminal, few, 

 but many-flowered ; bracts sessile ; cal. slightly curved with the throat hirsute. — 

 A handsome, variable plant, growing in hedges, thickets, rocky banks, Mass. 

 to Ga. W. to the Saskatchawan. The stem is 2^ — 4f high, quadrangular with 

 the sides somewhat concave, hollow in various degrees, nearly smooth or pubes- 

 cent above, simple or with a few opposite branches. Leaves obtuse at base, 

 ovate or oblong-lanceolate, mostly acuminate, acutely serrate, nearly smooth, 

 2 — 4' long and on petioles ^ their length. PloAvers in involucrate, terminal 

 heads, 20 — 50 in a head. Outer bracts leafy, often partially colored. Calyx 

 slender, J' in length. Corolla much exserted, varying from greenish-white and 

 pale purple to blue, the upper lip long and linear, enfolding the 2 stamens, 

 which, with the style are somewhat exserted at its end. Jl. Aug. 



a. St. simple, hollow; hds. simple or proliferous ; cor. pale yelloAV. 



/?. (M. allophylla. Mx.) S/. branched, hollow, or solid with pith ; Z-rs. oblong- 

 lanceolate ; kds. simple ; bracts partially colored ; cor. pale blue. 



y. (M. clinopodia. L.) St. solid; lvs. tapering at base, remotely serrate; 

 kds. simple ; cat. short; cor. pale jmrple. 



£. purpurea. St. tall (3 — 5f ), glabrous, dark purple.- la. ! common. 



f. mollis. Lvs. softly pubescent; upper lip of cor. densely bearded. 



3. M. PUNCTATA. (M. lutea. Mickx.') Horsemint. 



Nearly glabrous ; st. obtusely angled, hoary-pubescent ; lvs. oblong-lan- 

 ceolate to oblong, remotely and obscurely serrate; verticils axillary, dense; 

 bracts lanceolate, colored, longer than the verticils ; cal. teeth unequal. Pine 

 barrens, N. J., common, to Car. and Western States. Stem 2 — 3f high, branched. 

 Leaves punctate. Corolla yellow, with brown spots, upper lij) villous at the 

 apex. Bracts large^ yellow and red. Sept. — It contains an essential oil which 

 is valuable in medicine. 



