LABIAT.E. (mint FAMILY.) 379 



Stamens 4, didynamous, arching inward : anther cells parallel, or at length 

 diverging. Nntlets smooth. — Herbs, with the small white or purple flowers 

 solitary, or few in a whorl, chiefly axillary. 



1. M. Brownei, Benth. Smooth; stem prostrate or ascending, mostly 

 simple ; leaves round-ovate, obtuse, creuate or entire, short-petioled ; flowers 

 solitary, opposite, on widely spreading peduncles, exceeding the leaves, erect, 

 purple. — River banks, Florida. July - xVugust. — Stem 6' - 12' long. Leaves 

 4" - 6" long. 



11. CALAMINTHA, Benth. 



Calyx tubular, 13-uerved, 2-lipped ; the upper lip spreading, 3-toothed, the 

 lower 2-cleft, bearded or naked in the throat. Corolla 2-lipped, open at the 

 throat; the upper lip notched or entire, the lower 3 lobed, the tube commonly 

 exserted. Stamens 4, didynamous, arching inward : anther cells at length 

 diverging. Nutlets smooth. — Herbs or shrubby plants, with white, scarlet, 

 or purple flowers. 



§ 1. Calamintha. Herbs: cymes pedunded, compound, small-bracted ; the 

 upper ones forming a l-sided compound raceme : flowers small. 



1. C. Nepeta, Link. Villous; stem much branched, ascending ; leaves 

 small, ovate, obtuse, serrate, petioled ; cymes numerous, dichotomous, loose- 

 flowered ; calyx bearded in the throat, half as long as the purple corolla. — 

 Waste places and roadsides. Introduced. July - Sept. — Stem 1° - 2° long. 

 Leaves ^ long. 



§2. Calomelissa. Shrubs: cymes nearly sessile, axillarii, few-flowered, often 

 leafy -bracted : pedicels elongated : throat of the calyx bearded : flowers showy. 



2. C. Caroliniana, Sweet. Stem much branched, closely pubescent ; 

 leaves rigid, smootli, oval or oblong, obtuse, crenate, finely dotted, narrowed 

 into a slender petiole ; axillary leaves small and clustered ; cymes 6-flowered, 

 the lower bracts leafy ; corolla white or purple, spotted. — Sandy or rocky 

 banks, Florida to North Carolina. August -Sept. — Shrub 1°- 2° high, the 

 flowering branches simple. Leaves I'-l^' long. Corolla I' long. 



3. C. COCCinea, Benth. Smooth or minutely pubescent ; leaves obovate- 

 oblong, obtuse, entire or obscurely crenate, tapering into a short petiole; 

 flowers solitary or in 3-flowered bracted cymes; corolla scarlet. — Middle dis- 

 tricts of Georgia, and westward. Oct. - Nov. — Stem 2° high, the outer bark 

 loose and shreddy. Leaves ^' long. Corolla 1 V long. 



4. C. dentata, Chapm. Densely tomentose ; .stem diffusely branched ; 

 leaves small, obovate or wedge-shaped, entire, or 2-4-toothed at tlie apex, 

 nearly sessile ; flowers solitary or 3 together ; calyx smooth, the upper lip 

 emarginate or obscurely 3-toothed, much shorter than the lower; corolla 

 white or purplish, |' long. — Dry pine barrens, Bristol, Florida. May - Sept. 

 — Stem 1°- 2*^ high. Leaves very numerous, |' long. 



5. C. glabella, Benth. Herbaceous, smooth ; .stems slender (1°- 2° high) ; 

 leaves ovate-lanceolate, obtuse, sparingly .serrate, short-petioled ; whorls mostly 

 6-flowered, sessile, the spreading pedicels twice as long as tlie calyx, and com- 

 monly longer than the lanceolate acute bracts ; corolla pale purple. — Rocky 

 banks, Tennessee. 



