Vol.. III.] 



MINT FAMILY. 



"5 



II. Koellia mutica(Michx.)Britt. Short-toothed Mountain-Mint. (Fig. 3164.) 



lirachvslenwn mulicum Miclix. Fl. Bor. Am. 2: 6. pi. J2. 



1803'. 

 Koellia mutica Britton, 5Iem. Torr. Club, 4: 145. 1894. 



Stem stifF, puberuleiit, or glabrous below, i°-2^° 

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

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

 times subcordate at tbe base, sbarply serrate or serru- 

 late, I'j'-s' long, ;y-i}i' wide, tbe lower mostly 

 glabrous, the uppermost wbite-cancsceut 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, %vest to 

 Missouri. July-Sept. 



■w U -J 



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

 leaved Mountain-Mint. (Fig. 3165.) 



Pycnantliem7itn montannm Michx. Fl. Bor. Am. 2:8. 1803. 

 Monardella monlana 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'-T.' wide, none of them canescent; 

 flower- clu-sters rather dense, terminal and in the upper 

 axils, Yz'-l' 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 pubcrulent, 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, io-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- 

 sertcd; 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 1,. Wild or Creeping 

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



Tliymns 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"-$" 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 Pennsjdvania. Naturalized from 

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

 names, Brotherwort, Hillwort, Penny Mountain, Shep- 

 herd's Thyme. 





