LABIAT.f.. (mint FAMILY.) 411 



12. ORIGANUM, T..urn. Wild Marjoram. 



Calyx ovato-l)oll-sliai)e(l, liairv in the tliroat, striato, .'i-toothod. Tuhe of the 

 rorollii al)i)ut the leiii^th of the calyx, 2-li|)j)C(l ; the upper lip rather ereet and 

 slif!;htly notched, tlie Liwer longer, of 3 nearly equal spr<-;uiing lohes. Stamens 

 4, exserted, diverging. — Perennials, with nearly entire leaves, and purplish 

 flowers crowded in cylindrical or oblong spikes, imbricated with colored bracts. 

 (An ancient Greek name, comj)osed of vpos, <i munutaiu, and yavos, (Idiijht.) 



0. vii,g.\rk, L. Upright, hairy, corymbose at the summit; leaves peti- 

 oled, round-ovate ; bracts ovate, obtuse, purplish. — Rtjadsidcs, Atlantic States. 

 June -Oct. (Nat. from Eu.) 



13. THYMUS, Tourn. Thvmk. 



Calvx ovate, 2-li])ped, 13-nerved, hairy in tlie throat ; tlie u])per lip .3-toothed. 

 spreading; the lower 2-cleft, with the awl-shaped divisions ciliate. Corolhv 

 short, slightly 2-lipped ; the upper lip straight and Hattish, notched at the apex, 

 the lower 3-cieft. Stamens 4, straiglit and distant, usually exserted. — Low per- 

 ennials, with small and entire strongly-veined leaves, and purplish or whitish 

 flowers. (The ancient (ireek name of the Thyme, probal)ly from 0yw, Id hunt 

 per/nine, because it was used for incense.) 



T. Serpvllim, L. (Crkeping Thyme.) Prostrate; leaves green, flat, 

 ovate, entire, sbort-jietioled ; flowers crowded at tlie ends of the branches. — 

 Old fields, E. Mass. to Penn. (Adv. from Eu.) 



14. SATUREIA, Tourn. Savory. 



Calyx bell-shaped, 10-nerved, equally 5-toothed, naked in the throat. Corolla 

 2-lipped ; the upper lij) erect, flat, nearly entire, the lower 3-cleft. Stamens 4, 

 somewhat ascending. — Aromatic plants, with narrow entire leaves, often clus- 

 tered, and somewhat spiked purplish flowers. (The ancient Latin name.) 



S. HORTENSis, L. (Summer Savory.) Pubescent annual; clusters few- 

 flowered ; bracts small or none. — Escaping from gardens and sparingly wild 

 in Ohio to 111., etc. (Adv. from Eu.) 



15. CALAMINTHA, Tourn. Calamint. 



Calyx tubular, 13-nerved, mostly hairy in the throat, 2-lipped ; the upper lip 

 3-cleft, the lower 2-cleft. Corolla with a straight tube and an inflated throat, 

 distinctly 2-lipped ; tlie upjier lip erect, flattish, entire or notched ; the lower 

 spreading, 3-parted, the middle lobe usually largest. Stamens 4, mostly as- 

 cending ; the anthers usually approximate in pairs. — Perennials, with mostly 

 ]>urplish or wliitisli flowers, produced all summer; infloresi-ence various. 

 (Name composed of koAo's, heauti/ul, and fxlvda, Mint.) 



§ 1. Flowers loose, without long-subulate bracts: cali/x villous in tlie throat. 



* Pubescent; peduncles short but nwstlii distinct : bracts minute. 



C. Nepeta, Link. (Basil-Thyme.) Soft-hairy; stem ascending (1-3° 

 high) ; leaves petioled, l)roa<lly ovate, obtuse, crenate ; corolla (3" long) twice 

 the length of the calyx. — Dry waste grounds, Md. to Ark. (Nat. from Eu.) 



» * Glabrous or nearli/ so; common peduncles hardly any ; pedicels 1-5, slen- 

 der, the conspicuous bracts subulate-acuminate ; on wet limestone river-l)anks. 



1. C. glabella, Benth. Smooth; stems dijju.'<e or spreading (1-2° lonrj); 

 leaves slightly petioled, obkmg or oblor.fj-Iinear, narrowed at ba.se (8" -2' long), 

 sparingly toothed or nearly entire; clusters 3-5-flo\vere<l ; corolla (jjurplish, 

 5-6" long) fully twice the length of the calyx. — S. Ind., Ky., and Tenn. 



