LABIATE. (MINT FAMILY.) 379 



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

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

 solitary, or few iu a whorl, chiefly axillary. 



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

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

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

 purple. River banks, Florida. July - August. Stem 6' - 1 2' long. Leaves 

 4" -6" long. 



11. CALAMINTHA, Benth. 



Calyx tubular, 13-nerved, 2-lipped; the npper 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 peduncled, 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, axillary, few-flowered, often 

 leaf y-br acted : pedicels elongated: throat of the calyx bearded : flowers showy. 



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

 leaves rigid, smooth, 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 l-2 high, the 

 flowering branches simple. Leaves l'-l|' long. Corolla 1' 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 i' long. Corolla 1^' long. 



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

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

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

 einarginate 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 (l-2 high); 

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

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

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

 banks, Tennessee. 



