470 ORDER XCI. LABIATE. 



pubescent. Calyx pubescent, with short segments. Corolla large. — 

 Bright purple. 2f . June — July. Mountain meadows. 2 — 3 feet. 



2. D. variega'tum, (Pursh.) Stem glabrous, square, with cartilagin- 

 ous angles. Leaves sessile, oblong-lanceolate, toothed toward the sum- 

 mit, glabrous, lower ones alternate at the base. Floicers in short spikes. 

 Bracts ovate, pubescent. Calyx pubescent. Corolla pubescent, infla- 

 ted, the upper lip large, the middle segments of the lower lip streaked. 

 — Bright purple. 2f . May — June. Wet soils. 2 — S feet. 



3. D. DKNTicuLA'TUjr, (L.) Stem glabrous, or minutely pubescent at 

 the summit. Leaves sessile, ovate-lanceolate, glabrous, slightly toothed. 

 Flowers in long spikes. Bracts subulate, finely pubescent. Calyx with 

 the teeth nearly equal, pubescent. Lower lip of the corolla variegated. 

 — Purple. If. June — July. Mountains. 10 — 12 inches. 



4. D. obova'tum, (Ell.) Stem erect, pubescent at the summit, gla- 

 brous below. Leaves obovate, sessile, cuneate, toothed at the summit. 

 Flowers in short spikes. Bracts very small, pubescent. Calyx and co- 

 rolla pubescent. — Purple. If. May — July. Southern Georgia, 12 

 — 15 inches. 



Genus XYIL— CEDRONEL'LA. Mcench. 13—1. 

 (From kedros, cedar, from the odor of its leaves.) 



Calyx tubular or campanulate, oblique, 5-toothed. Corolla 

 expanding, bilabiate ; upper lip 2-lobed, lower lip 3-cleft, spread- 

 ing. Stamens 4. 



1. C. corda'ta, (Benth.) Stem low, creeping, pubescent. Leaves 

 broad-cordate, petiolate, crenate. Whorls few-flowered. Corolla 

 hairy within. — Pale purple. June. Shady places. 



JDracocephalum cordatwn, Nutt. 



Genus XVIII. —PRUXEL'LA. L. 13—1. 

 (From a German word, that means a disorder of the throat) 



Calyx with unequal lips, the upper one truncate, 3-toothed. 

 Upper lip of the corolla dilated. Filament forked at the ex- 

 tremity, one point bearing an anther. Stigma bifid. Stamens 4. 



1. P. vulga'ris, (L.) Stem square, pubescent along the angles, hairy 

 at the summit, branching at the base. Leaves oblong-ovate, denticulate 

 at the base, on long hairy petioles. Floivers in compact spikes, axillary 

 and terminal. Bracts ciliate. Calyx somewhat hairy, upper one 3- 

 awned. Corolla with the upper lip emarginate. — Violet. 2f. May 

 — July. Common. 6 — 8 inches. Self-heal or Heal-all. 



Genus XIX.— SCUTELLARIA. L. 13—1. 

 (From scutellum, a little shield ; from the shape of the lid of the calyx.) 



Calyx bilabiate; upper lip with a lid closing the calyx after 

 flowering. Corolla bilabiate, upper lip concave, lower 3-lobed, 

 tube long. Stamevu 4. 



1. S. integrifo'lia, (L.) Stem 4-angled, usually branching, pubescent. 

 Lower leaves ovate, attenuate at the base, cronate, on short petioles ; 



