318 1. A 15 1 AIM-.. (mint family.) 



4. C. dentata, n. sj) DriKcly mnu'iUosc ; sU'iii (lilVasfly ImuKliKl ; leavcH 

 smull, obovatc or wcdge-sliapcil. ruiindcd and 2 - 4-tootlii.'il at the a|X'X, nearly 

 sessile; flowers solitary or 3 together ; calyx smooth, the ujjper lip eniarginaie 

 or obscurely 3-toothcd, nuieh shorter than the lower ; upper stamens ahhreviated. 

 Btcrilc. — fSand ridges near Aspalaga, Florida. Sept. and Oet. — Stem 2° high. 

 Leaves very numerous, ^' long. 



5. C. eanescens, Ton-. & Gray. Iloary-tomcntose ; stem diffusely 

 branched ; haves linear, entire, obtuse, with the margins revolutc ; cymes very 

 numerous, 1 - 3-flowcred ; calyx smooth or hairy, the upper lip olitusely 

 3-tootlied ; corolla hairy, white or purjile, dotted in the throat ; anthers hairy. 



— Dry sands along the west coast of Florida, flowering throughout the year. — 

 Stem 1° - 2° high. Leaves h' - |' long. Corolla i' long. 



11. DICERANDRA, Benth. 



Calyx tubular, 13-ncrvcd, 2-li)iped } the ujjpcr lip entire or minutely 3-toothed. 

 the lower scarcely longer, 2-cleft, the throat bearded. Corolla 2-lipped ; the 

 upper lip erect, the lower spreading, 3-clcft. Stamens 4, ilidynamous, spreading, 

 exscrted : anther-cells distinct, diverging, awned at the apex Nutlets smooth. 



— Smooth annuals, with nanow leaves. Cymes loose, spreading, several-flow- 

 ered, forming a leafy terminal raceme. Flowere purple. 



1 . D. linearifolia, Benth. Stem mostly branching, erect ; leaves linear 

 or lanceolate, serrate or entire, obtuse, sessile ; cymes peduncled, 3-9-flowered ; 

 calyx purple, declined in fruit. (Ceranthera linearifolia. Ell.) — Dry sandy pine 

 barrens, Florida, Georgia, and westward. Oct. and Nov. — Stem 1° high. 

 Leaves I' long. Flowers very numerous, purple, dotted. Style hairy. 



2. D. densiflora, Benth. Stem loosely branched ; leaves oblong-lanceo- 

 late, or the uppermost linear; cymes sessile, 5- 10-flowered. — East Florida, 

 Bentham. — Cymes more compact, calyx smaller, and the awns of tlie anthers 

 shorter, than in No. 1. 



12. MELISSA, L. Balm. 



Calyx tubular-bell-shaped, 13-ncrvcd, 2-lipped : the upper lip flattish, 3-toothed, 

 the lower 2-cleft, beardless in the throat. Corolla-tube recurved-ascending, 

 2-lipped; upper lip erect, the lower 3-cleft, spreading. Stamens 4, curved 

 and connivent under the upper lip : anther-cells at length diverging. Nutlets 

 smooth. — Ileibs, with few-flowered 1-sidcd axillary cymes, and white or yellow 

 flowers. 



I. M. of&cinalis, L. Stem erect, branching ; leaves ov.ntp, crenate, trun- 

 cate or cordate at the base; cjmes 3 - 6-floweied, with ovate bracts. — North 

 Carolina, and northward. Introduced. 



13. SALVIA, L. Sage. 



Calyx tubular or bell-shaped, 2-li])ped ; the upper lip entire or 3-tootbed, the 

 lower 2-clcft, beardless in the throat. Corolla 2-lipped ; the upper lip entire or 



