318 LABIATA. (MINT FAMILY.) 
4. C. dentata, n.sp. Densely tomentose ; stem diffusely branched ; leaves 
small, obovate or wedge-shaped, rounded and 2- 4-toothed at the apex, nearly 
sessile; flowers solitary or 3 together; calyx smooth, the upper lip emarginate — 
or obscurely 3-toothed, much shorter than the lower ; upper stamens abbreviated, 
sterile, — Sand ridges near Aspalaga, Florida. Sept. and Oct. — Stem 2? high. 
Leaves very numerous, 3 long. robe 
5. C. canescens, Torr. & Gray.  Hoary-tomentose; stem diffusely 
branched ; leaves linear, entire, obtuse, with the margins revolute; cymes very 
numerous, 1 3-flowered ; calyx smooth or hairy, the upper lip obtusely 
3-toothed ; corolla hairy, white or purple, dotted in the throat; anthers hairy. 
— Dry sands along the west coast of Florida, flowering throughout the year. — 
Stem 19 -2? high. Leaves j'-$'long. Corolla 1! long. 
1L DICERANDRA, Benth. ^ 
Calyx tubular, 13-nerved, 2-lipped ; the upper 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-cleft. Stamens 4, didynamous, spreading, 
exserted : anther-cells distinct, diverging, awned at the apex. Nutlets smooth. 
— Smooth annuals, with narrow leaves. Cymes loose, spreading, several-flow- 
ered, forming a leafy terminal raceme. Flowers purple. d 
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 PE 
barrens, Florida, Georgia, and westward. Oct. and Nov.— Stem 1? high. 
Leaves l'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 the anthers 
shorter, than in No. 1. 
12. MELISSA, L. Barm. 
Calyx tubular-bell-shaped, 13-nerved, 2-lipped ; the upper lip flattish, gerne 
the lower 2-cleft, beardless in the throat.  Corolla-tube recurved-ascen - 
2-lipped ; upper lip erect, the lower 3-cleft, spreading. Stamens 4 
and connivent under the upper lip: anther-cells at length diverging- N 
smooth. — Herbs, with few-flowered 1-sided axillary cymes, and white wr ee : 
flowers. : p 
l. M. officinalis, L. Stem erect, branching ; leaves ovate, prn 
i cate or cordate at the base; cymes 3 — 6-flowered, with ovate bracts.— ; 
Carolina, and northward. Introduced. 
o s. SALVIA, L. Sacer. Ee 
bell-shaped, 2-lipped; the upper lip entire or 3-toothed, the 
Calyx tubular or > 
