Vol. hi.] 



MINT FAMILY. 



l'5 



164.) 



11. Koellia mutica (Michx.) Britt. Short-toothed Mountain-Mint. (Fig. 3 



Brachystemon mulicum Michx. Fl. Bor. Am. 2: 6. pi. 32. 



1803. 

 Koellia mutica Britton, Mem. Torr. Club, 4: 145. 1894. 



Stem stiff, puberuleut, or glabrous below, \-2)/ z 

 higb. Leaves short-petioled or sessile, ovate or ovate- 

 lanceolate, firm, acute at the apex, rounded or some- 

 times subcordate at the base, sharply serrate or serru- 

 late, ij&'s' long, y 2 '-\y 2 ' wide, the lower mostly 

 glabrous, the uppermost white-canescent on both 

 sides, much smaller; flower-clusters capitate, dense, 

 terminal, cymose, often also in the upper axils, pubes- 

 cent or canescent, 4 // -6 // broad; bracts appressed, lan- 

 ceolate-subulate or the outer broader; calyx pubescent, 

 its teeth nearly equal, triangular-ovate or triangular- 

 lanceolate, not much longer than wide, about one-fifth 

 as long as the tube; corolla-tube exceeding the calyx. 



In sandy soil, Maine to Virginia and Florida, west to 

 Missouri. July-Sept. 



12. Koellia montana (Michx.) Kuntze. Thin- 

 leaved Mountain-Mint. (Fig. 3165.) 



Pycnanthernum montamim Michx. Fl. Bor. Am. 2: 8. 1803. 

 Monardella montana Benth. Lab. Gen. & Sp. 331. 1834. 

 Koellia montana Kuntze, Rev. Gen. PI. 520. 1891. 



Stem slender, glabrous or nearly so throughout, 2-3 

 high. Leaves distinctly petioled, membranous, glabrous, 

 ovate-lanceolate or the upper lanceolate, long-acuminate 

 at the apex, usually narrowed at the base, sharply ser- 

 rate, 2 / ~5 / long, Yz / -2 / wide, none of them canescent; 

 flower-clusters rather dense, terminal and in the upper 

 axils, Yz'-\' broad; bracts appressed, lanceolate or linear- 

 lanceolate, acuminate, not exceeding the fully developed 

 clusters, bearded more or less with long hairs; calyx tu- 

 bular, glabrous or puberulent, or villous above, its teeth 

 triangular-subulate, equal, one-fifth to one-fourth as long 

 as the tube; corolla-tube longer than the calyx. 

 In woods, mountains of southern Virginia to Georgia, Tennessee and Alabama. July-Sept. 



32. THYMUS I,. Sp. PI. 590. 1753. 

 Perennial herbs, or low shrubby creeping plants, with small mostly entire leaves, and 

 small purple flowers clustered in terminal glomerules, or in the axils of the leaves. Calyx 

 ovoid, villous in the throat, 10-13-nerved, 2-lipped, the upper lip erect-spreading, 3-toothed, 

 the lower 2-toothed, its teeth long and slender. Corolla-limb 2-lipped, the upper lip erect, 

 emarginate, the lower spreading, 3-cleft. Stamens 4, more or less didynamous, mostly ex- 

 serted; anthers 2-celled, the sacs parallel or divergent. Ovary deeply 4-parted; style 2-cleft 

 at the summit. Nutlets ovoid or oblong, smooth. [Greek, incense.] 

 About 50 species, natives of the Old World, mostly European. 



i. Thymus Serpyllum L,. Wild or Creeping 

 Thyme. Mother of Thyme. (Fig. 3166.) 



Thymus Serpyllum L. Sp. PI. 590. 1753. 



Stems more or less pubescent in lines, very slender, 

 procumbent, tough, much branched, 4 / -i2 / long, com- 

 monly forming dense mats. Leaves oblong or ovate- 

 oblong, petioled, obtuse at the apex, usually narrowed 

 at the base, entire, glabrous, or sometimes ciliate, 

 2 // -5 // long; bracts similar to the leaves, but smaller; 

 flowers numerous in verticillate clusters crowded in 

 dense short terminal spikes, or also in the upper axils; 

 calyx distinctly 2-lipped, the tube usually pubescent 

 and the teeth ciliate; corolla longer than the calyx. 



In thickets, woods, and along roadsides, Nova Scotia to 

 southern New York and Pennsylvania. Naturalized from 

 Europe. Native also of Asia. June-Sept. Old English 

 names, Brotherwort, Hillwort, Penny Mountain, Shep- 

 herd's Thyme. 



