424 XCIII. LABIATE. Nepeta. 



6. S. rugOsa. Wood. (Nov. sp.) 



St. decumbent at base, diflusely branched, pubescent ; Ivs. oval and ovate, 

 rugose, pubescent, petiolate, obtuse at each end, subcordate, crenate-serrate ; 

 roc. simple, elongated, terminal on the stem and branches; In-acts broad-ovate, 

 petiolate, subcordate, as long as the calyx.— At Harper's Ferry, on the rocky 

 shores of the Shenandoah ! A rough, diffuse plant, about If high. Stem with 

 the angles obtuse and the sides grooved. Leaves rather numerous, l'^— 18" by 

 9 — 13"^ scarcely longer than the petioles, the bracts 2 — 3" diara. Racemes 5 — 

 8' long, rather dense-flowered. Corolla 8" long. July — Sept. 



7. S. iNTEGRiFOLiA. (S. hyssopifolia. Pcrs. S. Caroliniana. PA.) 



St. erect, nearly simple, and, with the whole plant, densely pubescent; Ivs. 

 ovate-lanceolate, and linear-lanceolate, tapering to the base, subacute, entire, 

 subsessile ; roc. loose, leafy ; brads lanceolate ; fs. large. — 7|. 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. CANEscKNS. Nutt. (S. scrrata and S. incana. Spr. Me Hook.) 



St. erect, tall, pubescent ; Ivs. 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 ; Jls. canescent. — Dry grounds, Middle 

 and Western States, abundant. Stem usually puiple, 1 — 3f high. Leaves 2 — 

 3' long, J 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. coRDiFOLiA. Muhl. (S. versicolor! Nutt.) 



Stout, branching, clothed with a soft, glandular pubescence in all its parts ; 

 ivs. broadly cordate, large, obtusely dentate, nearly smooth ; petioles very long; 

 rac. ternate, terminal ; bracts ovate ; Jls. smaller. NuttaU. — 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 ; j&laments forked, one point 

 of the fork bearing the anther. 



P. VULGARIS. Self-heal. Blue-curls. 



St. ascending, simple ; Ivs. oblong-ovate, toothed, petiolate ; vpper lip of 

 cor. truncate, with 3 awns. — % 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 la. ! and 111. !) obtusely 4-angled, hairy, simple or slightly branched. 

 Leaves 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. 



Tribe 7. NEPETE.^. — Calyx oblique, upper teeth longer. Corolla bilabi- 

 ate, upper lip vaulted, lower spreading, throat mostly inflated. Stamens as- 

 cending or diverging, the upper pair longer. 



23. NEPfiTA. 



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. 



