323 
LABI AT JE. (MINT FAMILY.) 
ceolate , acute , shorter than the purplish corolla. (Hyssopus scrophula- 
rifefolius, JVilld.) — Borders of rich woods, New York and Penn., and 
common westward. Aug. — Much like the last. Stem with strong 
obtuse angles. Leaves often heart-shaped at the base. 
15. PYCNANTHEMUM, Michx. Mountain Mint. 
Calyx ovate-oblong or tubular, about 13-nerved, equally 5-tooth- 
ed, or the three upper teeth more or less united, naked in the 
throat. Corolla with a short tube and a somewhat 2-lipped bor¬ 
der ; the upper lip nearly flat, entire or slightly notched ; the 
lower 3-cleft; lobes all ovate and obtuse. Stamens 4, distant, 
the lower pair rather longer: anther-cells parallel.—Perennial 
upright herbs, with a pungent mint-like flavor, corymbosely 
branched above ; the floral leaves often whitened ; the many- 
flowered whorls dense, crowded with bracts, and usually forming 
terminal heads or close cymes. Corolla whitish or flesh-color, the 
lower lip mostly dotted with purple. (Name composed of ttvkvos , 
dense, and avOcpov, a blossom, from the crowded or capitate flow¬ 
ers.) 
* Calyx 2-lipped, from the union of the 3 upper teeth , which are bristly- 
bearded at the summit: flowers in flattened cymes: leaves petioled. 
1* P. ilicituuill, Michx. (Common Mountain Mint. Wild 
BasiL.) Leaves ovate-oblong , acute, remotely toothed, downy above 
find hoary with whitish wool underneath, the uppermost whitened both 
sides; cymes peduncled, compound, open ; bracts linear-awl-shaped. 
— Rocky woods and hills, common southward. Aug. — Plant 2° - 
4° high, the taste intermediate between that of Pennyroyal and Spear¬ 
mint, as also in most of the following species. 
2. P. elinopodioides, Xorr. & Gr. Leaves oblong-lanceo¬ 
late, scarcely toothed, short-petioled, not whitened ; the upper surface 
often smooth, the lower, as well as the stem, downy; cymes con¬ 
tracted ; bracts and calyx-teeth shorter than in the last. — Dry copses 
around New York. Aug. - Sept. —Intermediate between No. 1 and 
No. 3. 
* * Calyx equally 5-toothed , or nearly so: leaves almost or quite sessile. 
Heads of flowers rather loose or open: bracts shorter than the corolla. 
3 - P. Torreyi, Benth. Somewhat downy , sparingly branched ; 
leaves linear-lanceolate or oblong-linear , smoothish, nearly entire, nar¬ 
rowed at the base into a short petiole ; calyx-teeth and the loose bracts 
awl-shaped, somewhat hairy; stamens exserted. — Dry soil, S. New 
York and New Jersey. Aug. — Intermediate in aspect between No. 
2 and No. 6. 
