GENUS 33. MINT FAMILY. 143 
4. Koellia verticillata (Michx.) Kuntze. Torrey’s Mountain-Mint. 
Brachystemon verticillatum Michx. Fl. Bor. Am, 2: 
6. $1. 98, 1804. 
P. Torreyi Benth. Lab. Gen. & Sp. 329. 1834. 
Koellia verticillata Kuntze, Rev. Gen. Pl. 520. 18g1. 
Puberulent, glabrate or pubescent; stem slender, 
1°-23° high. Leaves lanceolate, oblong-lanceolate 
or linear-lanceolate (rarely ovate-lanceolate), 
short-petioled or sessile, serrulate or entire, acute 
or acuminate at the apex, rounded or narrowed 
at the base, 1’-3’ long, 3’-10’ wide, the upper- 
most sometimes canescent; flower-clusters dense, 
canescent, 5-6” broad, terminal, corymbose and 
commonly also in some of the upper axils; bracts 
appressed, lanceolate, acuminate, ciliate, equalling 
or longer than the clusters; calyx canescent, its 
teeth subulate or lance-subulate, ciliate, 2-3 times 
as long as wide, one-fourth to one-third as long 
as the tube; corolla pubescent, its tube rather ex- 
ceeding the calyx. 
In dry fields and thickets, Vermont to Virginia, 
west to Missouri. July—Sept. 
5. Koellia clinopodioides (T. & G.) Kuntze. 
Basil Mountain-Mint. Fig. 3664. 
Pycnanthemum clinopodioides T. & G.; A. Gray, Am. 
Journ. Sci. 42: 45. 1842. 
Koellia clinopodioides Kuntze, Rev. Gen. Pl. 520. 1891. 
Pubescent or puberulent; stem slender, 1°—23° high. 
Leaves lanceolate or oblong-lanceolate, rather thin, 
short-petioled, sharply serrate, or the upper entire, 
13-3’ long, 5-12” wide, none of them canescent; 
flower-clusters loose, terminal and axillary, about 1’ 
broad; bracts linear-acuminate or subulate-tipped, 
not exceeding the clusters, some or all of them 
spreading; calyx finely canescent or glabrate, its 
teeth subulate, sometimes with a few long hairs, 
slightly unequal, about one-third the length of the 
tube; corolla-tube longer than the calyx. 
In dry soil, Connecticut to Pennsylvania, Virginia and 
Tennessee. Ascends to 5000 ft. in Virginia. Aug.—Sept. 
(Benth.) Britton. Hyssop Mountain-Mint. Fig.°3665. 
P. hyssopifolium Benth. Lab. Gen. & Sp. 329. 1834. 
Pycnanthemum aristatum var. hyssopifolium A. Gray, 
Syn. Fl. 2: Part 1, 354. 1878. 
K. hyssopifolia Britton, Mem. ‘lorr. Club 5: 279. 1894. 
Puberulent or glabrate; stem slender, stiff, 1°-3° 
high. Leaves oblong, linear-oblong, or lanceolate- 
oblong, short-petioled, or the upper sessile, obtuse 
or subacute at the apex, narrowed at the base, 
entire or denticulate, 4’-13’ long, 2-6” wide, 
glabrous or minutely canescent; flower-clusters 
dense, minutely canescent, not at all villous, ter- 
minal, and usually also in the upper axils, often 
1’ broad; bracts linear-oblong, narrowed at each 
end, terminated by an awn almost as long as the 
body; calyx cylindraceous, glabrous or very nearly 
so, prominently nerved, its teeth bristle-pointed, 
slightly widened below, nearly as long as the 
tube; corolla-tube not longer than calyx. 
In dry soil, Virginia to Florida. June-Aug. 
