414 LABIATE. (MINT FAMILY.) 



strongly 2-lipped limb ; lips linear or oblong, somewhat equal, the upper 

 erect, entire or slightly notched, the lower spreading, 3-lobed at the apex, its 

 lateral lobes ovate and obtuse, the middle one narrower and slightly notched. 

 Stamens 2, elongated, ascending, inserted in the throat of the corolla ; anthers 

 linear (the divaricate cells confluent at the junction). Odorous erect herbs, 

 with entire or toothed leaves, and pretty large flowers in a few whorled heads, 

 closely surrounded with bracts. (Dedicated to Nicolas Monardes, author of 

 many tracts upon medicinal and other useful plants, especially those of the 

 New World, in the latter half of the 16th century.) 



* Stamens and style exserted beyond the linear straight acute upper lip of the 



corolla; heads solitary and terminal or sometimes 2 or 3; leaves acutely 

 more or less serrate ; perennials. 

 - Leaves petioled ; calyx-teeth scarcely longer than the width of the tube. 



1. M. didyma, L. (OswEGO TEA. BEE-BALM.) Somewhat hairy (2 

 high), acutely 4-angled ; leaves ovate-lanceolate, acuminate, the floral ones 

 and the large outer bracts tinged with red ; calyx smooth, incurved, nearly naked 

 in the throat ; corolla smooth (2' long), bright red, showy. Moist woods by 

 streams, N. Eng. to Mich., south to Ga. in the mountains. July- Aug. 



2. M. clinopodia, L. Nearly glabrous to villous-pubescent : leaves 

 ovate-lanceolate and ovate; bracts whitish; calyx moderately hirsute in the 

 throat; corolla slightly pubescent (V long) , dull white or flesh-colored. Shady 

 places, ravines, etc., Out. to 111., and along the mountains to Ga. 



* 3. M. fistuldsa, L. (WILD BERGAMOT.) Smoothish or downy, 2-5 

 high ; leaves ovate-lanceolate, the uppermost and outer bracts somewhat col- 

 ored (whitish or purplish) ; calyx slightly curved, very hairy in the throat ; 

 corolla (!' long or more) purple or purplish dotted, smooth or hairy. Dry 

 soil, Vt. and E. Mass, to Fla., and far westward. Very variable ; the follow- 

 ing are the more marked forms. Var. RtiBRA, Gray. Corolla bright crim- 

 son or rose-red; habit of n. 1, but upper lip of corolla villous-bearded on the. 

 back at tip ; throat of calyx with the oifter bristly hairs widely spreading. 

 In moist ground, Alleghany Mts. Var. MEDIA, Gray. Corolla deep purple. 

 Alleghany Mts. Var. MOLLIS, Benth. Corolla flesh-color to lilac, glandu- 

 lar, its upper lip hairy outside or more bearded at the tip ; leaves paler, soft- 

 pubescent beneath; throat of calyx mostly filled with dense beard, with 

 sometimes an outer row of bristles. Extends to Minn, and westward. 



- -i- Leaves nearly sessile ; calyx-teeth elongated, lax ; head solitary. 



4. M. Bradburiana, Beck. Leaves clothed with long soft hairs, espe 

 cially underneath; the floral and the outer bracts somewhat heart-shaped, 

 purplish ; calyx smoothish, contracted above, very hairy in the throat, with 

 awl-shaped awned teeth ; corolla smoothish, bearded at the tip of the upper 

 lip, scarcely twice the length of the calyx, pale-purplish, the lower lip dotted 

 with purple. Thickets, Ind. to Tenn. and Kan. 



* * Stamens not exceeding the falcate upper lip of the short corolla; heads axil' 



lary or interrupted spicate; leaves lanceolate or oblong, sparsely serrate, 

 tapering into the petiole. 



5. M. punctata, L. (HORSE-MINT.) Perennial, minutely downy 

 (2-3 high) ; leaves petioled, lanceolate, narrowed at base; bracts lanceolate, 



