308 labiatjE. (mint family.) 



tallii, Benth. Micromeria glabella, Tar. angustifolla, Torr.) — Wet limestone 

 rocks, Niagara Falls to "Wisconsin, Central Ohio (SuUivant), and south-westward. 

 July- Sept. —Appearing very distinct, but united by Southwestern forms, &c. 



§ 3. CLINOPODIXJM, L. — Caltjx more or less gibbous below: dusters sessile and 

 many-Jiowered, crowded with awl-shaped bracts. 

 3. C. Clinop6dium, Benth. (Basil.) Hairy, erect (1°-2° high) ; leares 

 ovate, petioled, nearly entire ; flowers (pale purple) in globular clusters ; hairy 

 bracts as long as the calyx. (Clinopodium vulgare, L.) — Borders of thickets 

 and fields. July. (Nat. from Eu.) 



13. raiEIiisSA, L. Balm. 



Calyx with the upper lip flattened and 3-toothed, the lower 2-cleft. Corolla 

 with a recurved-ascending tube. Stamens 4, curved and conniving under the 

 upper lip. Otherwise nearly as Calamintha. — Clusters few-flowered, loose, 

 one-sided, with few and mostly ovate bracts resembling the leaves. (Name from 

 /itXtcro-a, a bee; the flowers yielding abundance of honey.) 



1. M. OFFICINALIS, L. (Common Balm.) Upright, branching; leaves 

 broadly ovate, crenate-toothed, exhaling the odor of lemons ; the corolla white 

 or cream-color. — Sparingly escaped from gardens. - (Adv. from Eu.) 



14. HEBEOMA, Pers. Mock Pennybotal. 



Calyx ovoid or tubular, gibbous on the lower side near the base, 13-ncrved, 

 bearded in the throat, S-lipped ; the upper lip 3-toothed, the lower 2-cloft. Co- 

 rolla 2-lipped ; the upper lip erect, flat, notched at the apex ; the lower spread- 

 ing, 3-cleft. Fertile stamens 2 ; the upper pair reduced to sterile fllaments or 

 wanting. — Low, odorous plants, with small leaves, and loose axillary clusters 

 of flowers, often forming tei-minal leafy racemes. (Altered from 'Hduoo'fioi', 

 an ancient name of Mint, from Its sweet scent. ) 



1. H. pnlegioides, Pers. (Amekican Pennyeotal.) Erect, branch- 

 ing, hairy ; leaves petioled, oblong-ovate, obscurely serrate, the floral similar ; whorls 

 few-flowered ; corolla (bluish, pubescent) scarcely exceeding the calyx ; sterile 

 Slaments tipped mtli a little head. ® — Open ban-en woods and fields ; com- 

 mon. July-Sept. — Plant 6'-10' high, with nearly the taste and odor of the 

 true Pennyroyal (Mentha Pulegium) of Europe. 



2. H. llispida, Pursh. Erect hairy (2'-5' high); Imves sessile, linear, 

 entire, the floral similar and exceeding the flowers ; corolla scarcely longer than 

 the ciliate hispid calyx. (J) — Illinois, opposite ^t. Louis, and sonthwestward. 



15. COIiLiINSdWIA, L. Hokse-Balm. 



Calyx ovate, enlarged and declined in fruit, 2-lipped ; upper lip truncate and 

 flattened, 3-toothed, the lower 2-cIeft. Corolla elongated, expanded at the 

 throat, somewhat 2-lipped ; the 4 upper lobes nearly equal, but the lower much 

 larger and longer, pendent, toothed or lacerate-fringed. Stamens 2 (sometimes 

 4, the upper pair shorter), much exserted, diverging : anther-cells divergent. — 



