labiatjE. (mint family.) 317 



petiole ; whorls 6-flowcrcd, shorter than the leaves ; lower lip of the calyx hispid. 



— Dry hills in tiic upper districts. June- Sept.— btciu 1° high. Leaves 1' 

 long. Corolla small, pale blue. 



9. MICROMERIA, Bcnth. 



Calyx tubular, 13-ncrvctl, nearly equally 5-toothcd, mostly hairy in the throat 

 Corolla 2-lippcd ; the upper lip Hat, notched or entire, tlie lower spreading, 3- 

 lobed; tiie straight tube commonly shorter than the calyx. Stamens 4, didyna- 

 mous, arching inward : anther-cells parallel, or at length diverging Nutlets 

 smooth. — Herbs, with the small white or purple flowers solitary, or few in a 

 wliorl, chiefly axillary. 



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

 simple ; leaves round-ovate, obtuse, crcnate or entire, short-pctioled ; flowers sol- 

 itary, opposite, on widely spreading peduncles, exceeding the leaves, erect, pur- 

 ple. — River-banks, Florida. July and Aug. — Stem 6'- 12' long. Leaves 4" 



- 6" long. 



10. CALAMINTHA, Bcnth. 



Calyx tubular., 13-ncrvcd, 2-lippcd ; the upper lip spreading, 3-toothcd, 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, didynaraous, arching inward : anther-cells at length 

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

 purple flowers 



^ 1. CAL.\MiNTnA. Herbs: ajmes pedunclecl, compound, smali-bracted ; the upper 

 ones forming a \-sided compound raceme: Jlowers small. 



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

 small, ovate, obtuse, serrate, pctioled ; cymes numerous, diohotomous, loose- 

 flowered ; calyx bearded in tlie throat, half as long as the ])urple corolla. — 

 Waste places and road-sides, Georgia to North Carolina, introduced. July - 

 Sept. — Stem \°-1° long. Leaves ^' long. 



^2. Calomelissa. Shrubs: ci/mes near!)/ sessile, axillary, feic- flowered, often 

 leafy-brartid: pedicels doivjuled: throat of the calyx bearded : flowers showy. 



2. C. Caroliniana, Sweet. Stem much branched, closely 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. Aug. and Sept. — Shrub lO-2° high, the flowering 

 branches simple. Leaves 1' - 1^' long. Corolla 1' long. 



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

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

 solitary, or in 3-flowered bractcd cymes ; corolla large, scarlet. — Sandy shores 

 of St. Andrew's Bay, West Florida. Oct. and Nov. — Stem 2° high, the outer 

 bark loose and shreddy. Leaves ^' long. Corolla 1|' long. 



27* 



