Genus 33. 



MINT FAMILY. 



'45 



10. Koellia albescens (T. & G.) Kuntze. 

 White-leaved Mountain-Mint. Fig. 3669. 



P. albescens T. & G. ; A. Gray, Am. Journ. Sci. 42: 



45. 1S42. 

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



Stem slender, soft-pubescent nearly to the base. 

 l -2 high. Leaves ovate to ovate-lanceolate, peti- 

 oled, acute or subacuminate at the apex, narrowed 

 or sometimes rounded at the base, sharply serrate 

 or nearly entire, l'-2i' long, i'-li' wide, white- 

 canescent beneath, green above, or the upper canes- 

 cent on both sides ; clusters loose, terminal and 

 axillary, densely canescent, not at all villous, at 

 length about 1' broad; bracts linear, or the outer 

 broader, spreading, sometimes exceeding the clus- 

 ters ; calyx densely canescent, its teeth triangular, 

 obtuse or acute, slightly unequal, one-fifth to one- 

 fourth as long as the tube; corolla-tube longer 

 than the calyx. 



In dry woods and thickets, southern Virginia to 

 Kentucky, Missouri, Arkansas, Florida and Texas. 

 July-Sept. 



11. Koellia mutica (Michx.) Britton. Short- 

 toothed Mountain-Mint. Fig. 3670. 



Brachystetnon muticum Michx. Fl. Bor. Am. 2 : 6. pi. 32. 



1803. 

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



Stem stiff, puberulent, or glabrous below, i-2i 

 high. Leaves short-petioled or sessile, strongly veined, 

 ovate or ovate-lanceolate, firm, acute at the apex, 

 rounded or sometimes subcordate at the base, sharply 

 serrate or serrulate, 1J-3' long, I'-i Y wide, the lower 

 mostly glabrous, the uppermost white-canescent on both 

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

 minal, corymbose, 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 

 Pennsylvania and Missouri. Calamint. July-Sept. 



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

 leaved Mountain-Mint. Fig. 3671. 



Pycnanthemum montanum Michx. FI. 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 serrate, 

 2 '_5' long, -2 wide, none of them canescent; flower- 

 clusters rather dense, terminal and in the upper axils, l'-l' 

 broad ; bracts appressed, lanceolate or linear-lanceolate, 

 acuminate, not exceeding the fully developed clusters, 

 bearded more or less with long hairs ; calyx tubular, 

 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, Ten- 

 nessee and Alabama. July-Sept. 



34. CUNILA L. Syst. Ed. 10, 1359. 1759. 



Perennial branching herbs, or low shrubs, with dentate or entire leaves, and rather 

 small, clustered, purple or white flowers. Calyx tubular-ovoid, 10-13-nerved, villous in the 

 throat, equally 5-toothed. Corolla 2-lipped, longer than the calyx, the upper lip erect, emar- 

 ginate, the lower spreading, 3-cleft. Anther-bearing stamens 2, long-exserted, straight, the 



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