424 XCIil. LABIAT ZE. .  NeEpeEta. 
6. S. ruGcdsa. Wood. (Nov. sp.) 
St. decumbent at base, diffusely branched, pubescent ; dvs. oval and ovate, 
rugose, pubescent, petiolate, obtuse at each end, subcordate, crenate-serrate ; 
rac. simple, elongated, terminal on the stem and branches; bracts broad-ovate, 
petiolate, subcordate, as long as the calyx.—At Harper’s Ferry, on the roc 
shores of the Shenandoah! A rough, diffuse plant, about1if high. Stem wi 
the angles obtuse and the sides grooved. Leaves rather numerous, 12—18" by 
9—13'’, scarcely longer than the ney the bracts 2—3" diam. Racemes 5— 
8’ long, rather dense-flowered. Corolla 8” long. July—Sept. 
7. S. rnrecrirouia. (S. hyssopifolia. Pers. §. Caroliniana. Ph.) 
St. erect, nearly simple, and, with the whole plant, densely pubescent ; ls. 
ovate-lanceolate, and lincar-lanceolate, tapering to the base, subacute, entire, 
subsessile; vac. loose, leafy ; bracts lanceolate; fls. large.—2| Mid. States to 
Ark., on dry hills. Stem 1—2f high, with large, blue flowers in terminal ra- 
cemes. The leaves (1—2’ long) vary in breadth and margin, the lowest being 
sometimes ovate and crenate. Corolla bright blue at the summit, nearly white | 
at base, 8—9” long. June, July.—The plant is intensely bitter. 
8. S. canescens. Nutt. (S. serrata and S. incana. Spr. fide Hook.) 
St. erect, tall, pubescent; dvs. petiolate, oblong-ovate or ovate, rounded or 
attenuate at base, minutely pubescent both sides, paler beneath, margin crenate, 
apex acute, the lower cordate ; rac. terminal and axillary, pedunculate, panicu- 
late ; bracts lanceolate and lance-linear; fls. canescent.—Dry grounds, Middle 
and Western States, abundant. Stem usually purple, 1—3f high. Leaves 2— 
3’ long, 3 as wide, often with a purple margin and purplish spots. Flowers 
rather numerous, large and showy. Corolla 10” long, tube white, lips blue. 
9. S. corpirotia. Muhl. (S. versicolor? Nutt.) 
Stout, branching, clothed with a soft, glandular pubescence in all its parts; 
lvs. broadly cordate, large, obtusely dentate, nearly smooth; petioles very long; 
rac. ternate, terminal; bracts ovate; fis. smaller. Nuttall—Open woods and 
prairies, Western States. I have specimens essentially agreeing with the 
above, in which the leaves are 3—4’ long, 2—3/ wide. Flowers in a large, dif- 
fuse panicle, less showy than in the last species. Bracts broad-ovate and near- 
ly sessile, viscidly pubescent. Corolla 8” long, upper lip blue, lower white. 
22. PRUNELLA. 
Calyx about 10-ribbed, upper lip dilated, truncate, with 3 short 
teeth, lower lip with 2 lanceolate teeth; filaments forked, one point 
of the fork bearing the anther. | - 
\P. vuteiris. Self-heal. Blue-curls. 
~ St. ascending, simple; vs. oblong-ovate, toothed, petiolate; wpper lip of 
cor. truncate, with 3 awns.—2| A very common plant, in meadows and low 
grounds, N. Am., lat. 33° to the Arc. Sea. The stem is nearly a foot high, 
2f in Ia.! and Ill.!) obtusely 4-angled, hairy, simple or slightly branched. 
eaves few, opposite, slightly toothed, the stalks gradually becoming shorter 
from the lower to the upper pair which are sessile. Flowers blue, in a large 
ovate spike of dense verticils. Bracts imbricated, reniform, 2 beneath each 
verticil. Flowering all summer. 
Trive 7. NEPETE £.—Calyx oblique, upper teeth longer. Corolla bilabi- i. 
ate, upper lip vaulted, lower spreading, throat mostly inflated. Stamens as- 
cending or diverging, the upper pair longer. 
23. NEPETA. 
Said to be from Nepet, a town in Tuscany. 
Calyx arid, striate; upper lip of the corolla emarginate, lower 3- 
lobed, the middle lobe largest and crenate, margin of the orifice re- 
flected ; stamens approximate. 
