4M XCIII. LABIATE. Wepeta 



6. S. RUG6SA. Wood. (Nov. Sjti.) 



St. decvimbent at base, difiusely branched, pubescent ; Ivs. oval and ovate, 

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

 rac. simple, elongated, terminal on the stem and branches; drads broad-ovate, 

 petiolate, subcordate, ss 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, IS— 18" by 

 <)_13", scarcely longer than the petioles, the bracts S— 3" diara. Racemes 5— 

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



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



SL erect, nearly simple, and,Ayith the whole plant, densely pubescent ; Zw. 

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

 subsessile; rac. loose, leafy; bracts lanceolate ;./s. large.— 7]. Mid. States to 

 Ark., on dry hills, fstem i— 2f high, with large, blue flowers in termmal ra- 

 cemes. The leaves (1 — 2' long) vary in breadth and margin, the lov/est 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. C.4NESCENS. Nutt. (S. scrrata and S. incana. Spr. fide Hook.) 



St. erect, tall, pubescent ; Ivs. petiolate, oblong-ovate or ovate, rounded or 

 attenuate at base, ininutely 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— of high. Leaves 2 — 

 3' long, i as wide, often with a purple margin and purplish spots. Flowers 

 rather numerous, large and showy. Corolla 10" long, tube v/hite, lips blue. 



9. S. coRDiFOLiA. Muhl. (S. versicolor! Nutt.) 



St-out, branching, clothed with a soft, glandular pubescence in jiU its parts j 

 Ivs. broadly cordate, large, obtusely dentate, nearly smooth ; pc/ioles very long; 

 rac. ternate, terminal ; brads ovate ; Jls. smaller. Nu/lalJ.— 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 lO-ribbed, upper lip dilated, truncate, witli 3 short 

 teeth, lower lip with 2 lanceolate teeth ; filaments forked, one point 

 of the fork bearing the anther. 



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



St. ascending, simple ; Ivs. oblong-ovate, toothed, petiolate ; vpjier 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 toothe'd, the stalks gradually becoming shorter 

 from tJie 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^E, — 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. . 



