652 Oedeb 89.— LABIATjE. 



coarsely crenato-aerrato ; fls. spiked, the whoils slightly pedunculated. — It About 

 old buildinga and fenoea. St. square, pubescent, branching 2 to Sf high. Ltb. 

 very evenly bordered by tooth-like or orenato serratures, and as well as the whole 

 plant covered with a soft, hoary down, paler beneath. Fls. many, white or pur- 

 plish, the lower lip dotted with crimson. Jl. g S. E. Europe. — Eaten gi-eedily 

 by cats. 

 2 IT. Glechdma Eenth. Gill-ovee-the-oeound. Lvs. reniform, crenate; cor. 

 about 3 times as long as the calyx. — U A creeping plant, about walls, hedges, 

 etc. Sts. radicating at base, square, varying in length from a few inches to 1 to 

 2f. Lvs. petiolate, downy, glaucous, 1' or less broad. Fls. axillary, about 3 to- 

 gether. Cor. bluish purple, with a variegated throat. Usually the anthers arc- 

 so collated as to form 2 little crosses. May. § Eur. ahd Asia. 



26. DRACOCEPH'ALUM, L. Dragoit-head. (Gr. Spdicuiv, dragon, 

 K.e<paXr], head). Cah^x suboqual, oblique, 5-cleft, upper segments larger ; 

 cor. bilabiate, upper lip vaulted, emarginate, throat inflated, lower lip 

 spreading, 3-oleft, middle lobe much larger, rounded or subdivided; 

 sta. distinct, ascending, the tipper pair longer than the lower. 



D. parvifldrum N utt. Subpubesoent ; lvs. lanceolate, deeply serrate, petiolate ; 

 bracts leafy, ovato, ciliate, muoronate-serrate ; cal. upper segment much the 

 largest; fls. small, vertieillate, subcapitate, cor. scarcely exceeding the calyx. — 

 (•2; Borders of the great lakes, Korthern K. Y, to L. of tho Woods, very rare. Fls. 

 bluish, small, the verticils almost spicate. Cal. dry and membranous. Upper 

 lip of the corolla arched, emarginate, central lobe of lower lip crenate. Jl. 



27. CEDROWEL'LA, Moench. (Gr. icidpov, oil of cedar; from tho 

 fraorancc.) Calyx subcampanulate, 5-toothed ; corolla tube cxscrted, 

 throat dilated, upper lip straight, flatfish, emarginate or cleft, lower 3- 

 fid, middle lobe largest; stamens 4, ascending, the upper longer, anthei- 

 cclls parallel. — Fls. spicate, bracted. 



C. cordatrum Nutt. Stoloniferous; st. and elongated petioles pubescent; lvs. 

 cordate, obtusely crenate, sparingly hirsute above ; spike unilateral ; bracts broad- 

 ovate, entire, nearly as long as the calyx; ped. bibracteolate, mostly 1-flowered ; 

 cal. segments acute, almost pungent. — 11 Eocky streams and Mts. Ohio and Ya. 

 Stem about If high, quadrangular. Leaves 3 or 4 pairs, almost as broad as long, 

 petiole about as long as the lamina (!'), upper pairs subsessile. Cor. pale blue, 

 about 1' long, orifice much dilated. Jn. 



28. BRUNEL'LA, Tourn. Self-heal. Blue-ccrls. (German Brune, 

 a disease of the throat for which it was a reputed remedy.) Calyx 

 about 10-ribbed, upper lip dilated, truncate, with 3 short teeth, lower 

 lip with 2 lanceolate teeth ; filaments forked, one point of tho fork bear- 

 ing the anther. — l-i (Prunella, L.) 



B. vulgaris L. St. ascending, simple; Iva. oblong-ovate, toothed, petiolate; ver- 

 ticils close, spicate ; upper lip of cor. truncate, with 3 awns.— A very common 

 plant, in meadows and low grounds. N. Am., lat. 33° to the Arc. Sea. St. varj-- 

 ing from 8' to 2f high, obtusely 4-angled, hairy, simple or sUghtly branched. 

 Leaves few, opposite, slightly toothed, the stalks gradually becoming shorter from 

 the lower to tho upper pair which are sessile. Flowers blue, in a large, oblong- 

 ovato spike of dense verticils. Bracts imbricated, reniform, 2 beneath each ver- 

 ticil. Flowering all summer. 



29. SCUTELLA^RIA, L. Skull-cap. (Lat. scutella, a small vessel ; 

 from the resemblance of the calyx.) Calyx campanulate, bilabiate, lips 

 entire, upper one appendaged on the back and closed after flowering ; 

 cor. bilabiate, upper lip vaulted, lower dilated, convex, tube much ex- 

 serted, ascending, throat dilated ; sta. ascending beneath tho upper lip ; 

 anth. approximate in pairs ; ach. tubercular. 



