LABIATE. 
325 
(mint family.) 
T. Serpyllum, L. (Garden Thyme.) Leaves green, 
flat, ovate, obtuse, entire, short-petioled, more or less ciliate ; flowers 
approximate at the end of the branches in an oblong head. — Old 
fields, escaped from cultivation and sparingly naturalized in Penn¬ 
sylvania : also in E. New England, Oakes. July. 
1 "7 • CJ AL AlflINTH A* Mcench. Calamint. 
Calyx tubular, 13-nerved, nearly equal at the base, hairy in the 
throat, more or less 2-lipped ; the upper lip 3-cleft, the lower 2- 
cleft. Corolla inflated in the throat, distinctly 2 -lipped ; the up¬ 
per lip erect, flattish, entire ; the lower spreading, 3 -parted, the 
middle lobe usually largest. Stamens 4, ascending ; anthers ap¬ 
proximate in pairs ; the cells diverging. — Perennials, with the 
axillary flowers, or small and loose peduncled clusters, racemed 
on the branches and one-sided ; bracts minute ; corolla purplish. 
(Name composed of koXos, beautiful , and fiivda , Mint,) 
1 C. IVuttallii. Low, nearly smooth, with upright and branch¬ 
ing flowering stems and prostrate runners from the base ; stem-leaves 
oblong-linear, sessile, obtuse, entire, those of the runners ovate, short- 
petioled; upper peduncles 1-flowered, the lower 3-5-flowered; ped¬ 
icels slender; calyx obscurely 2-lipped, the teeth awl-shaped. (He- 
dedma glabra, Nutt. Microm6ria Nuttallii, Torr. Cat. JY. Y. M. gla¬ 
bella, var. angustifolia, Torr. JY. Y. State FI.) — Wet calcareous rocks, 
Niagara Falls, to Ohio and Michigan, along the Lakes. July-Sept.— 
Stems S' — & high, bearing leaves long or less, those of the runners 
still smaller. Corolla pale violet, twice the length of the calyx. 
18. CLINOPODI1JM, L. Basil. 
Whorls many-flowered, capitate, with numerous linear-awl¬ 
shaped exterior bracts forming a sort of involucre: otherwise 
nearly as in Calamintha. (Name composed of KA 1 V 17 , a bed , and 
7 to 0 s, a foot , from the stalked and flattened head of flowers.) 
1- C. vulgare, L. Erect, hairy ; leaves ovate, petioled, 
slightly toothed; clustered heads of flowers axillary and terminal; 
bracts and calyx equal in length, very hairy. 1J.—Hills and old 
fields, naturalized. July. — Corolla light purple. 
19. MELISSA, L. Balm. 
Calyx slightly gibbous at the base, 2-lipped, open, more or less 
hairy in the throat; the upper lip 3-toothed, the lower 3-cleft. 
Corolla with a recurved-ascending tube, the border and stamens 
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