246 ORDER 91. LABIATE. 



Tall. Verticils in a terminal raceme. Calyx nearly regular No. 1 



GLECHOMA. Low, diffuse. Flowers axillary. Calyx curved, oblique No. 2 



1 N ca.ta.ria. L. Catnip. Erect, hoary-tomentons ; Ivs. petiolate, cordate, deltoid- 



ovate, coarsely crenate-serratc ; flowers spiked, the whorls slightly peduncled. li 

 About old buildings, &c. 2 3f. July. . The delight of cats. 



2 N. Glechoma B. Gitt-over-the- Ground. Leaves reniform, crenate ; corolla 3 times 



longer than the calyx (lO'O, bluish purple, anthers forming 2 little crosses, y. Creep- 

 ing in grasp, about walls, &c. 3' If. May. Europe. 



29. DRACOCEPHALUM, L. DRAGON-HEAD. Calyx subequal, ob- 

 lique, 5-cleft, upper segment larger. Cor. bilabiate, upper lip vaulted, emar- 

 giuate, throat inflated, lower lip spreading, 3-cleft, middle lobe much larger, 

 rounded or subdivided. Sta. 4, distinct, ascending, the upper pair longer. @ 

 D. parriflorum N. Plant some downy, slender : leaves petiolate, lanceolate, deeply 



serrate ; flowers small, bluish, spicate. N. New York, and W. : rare. 18'. July. 



30. CEDHONELLA, Mcench. Cal. subcampanulate, 5-toothed. Cor. 

 tube exsertcd, throat dilated, upper lip straight, flattish, emarginate or cleft, 

 lower 3-fid, middle lobe largest. Stam. 4, ascending, the upper longer, an- 

 ther-cells parallel. Flowers spicate, bracted. Summer. 



1 C. oordata. N. Pubescent, producing runners ; leaves cordate, petiolate, bluntly 



crenate; spikes unilateral, corolla pale blue, 1'. y. Rocks, O.,Va. : rare. If. June. 



2 C. MEXICANA. Erect, with cordate-lanceolate, dentate leaves ; flowers in a spike of 



close whorls, purple, large. Mexico. 2 3f. (Gardoquia (Lind.)) 



31. BRUNELLA, Tourn. SELF-HEAL. BLUE-CURLS. Cal. about 10- 

 ribbed, upper lip dilated, truncate, with 3 short teeth, lower lip with 2 lan- 

 ceolate teeth. Filam. forked, one point of the fork bearing the anther, l 



1J. vnlgaris L. Stem simple ; leaves oblong-ovate, toothed, petiolate ; flowers blue, 

 in a large oblong-ovoid spike of dense verticils with reniform bracts. Low grounds, 

 very common, varying from 8' to 2f. All Summer. 



32. SCUTELLARIA, L. SKULL-CAP. Cal. campanulate, lips entire, 

 upper one appendaged on the back and closed after flowering. Cor. upper 

 lip vaulted, lower dilated, convex, tube much exserted, ascending, throat 

 dilated. Stam. ascending beneath the upper lip, anthers approximate in 

 pairs, achenia tubercular, if. 



Flowers large (7 to 13" long), raccmed at top of the stem, with bracts. . .(a) 



a Bracts ovate, abrupt at base. Lips of corolla short. Petioles long. . .Nos. 1, 2, 3 

 a Bracts lance-oblong, acute at base. Leaves notched, petiolate. . .(&) 



b Galea of the corolla longer than the lower lip Nos. 4, 5 



b Galea of the corolla not longer than the lip Nos. fi, 7 



a Bracts leaf-like, longer than the calyx. Leaves entire, subsessile . . Nos. 8 10 



Flowers large or small, opposite, solitary, in the axils of the leaves Nos. 1113 



| Flowers small (3" long), in slender, axillary, one-sided racemes No. 14 



1 S. versicolor N. Glandular-hairy, erect, branched ; leaves broad-ovate, cordate, 



crenate, jeiny ; racemes long, many-flowered ; bracts ovate, entire, eubsessile ; co- 

 rolla 67", lips blue, subequal, lateral lobes distinct. Pa., and W. States. lf--lf. 



2 S. rugosa Wood. Hairs and leaves as in No. 1, but the stem is weak, ascending, 



bracts petiolate, and the lower lip of the (8") corolla pendent and twice longer than 

 the upper. Rocky shores, Harper's Ferry, Ya., and S-W. IS'. 



