LABIAT.E. 280 NEPETA. 



lower lip broader, in 3 shallow lobes. Tube ascending from the base. Stam. 

 ascending. Anth. approximate in pairs under the upper lip, 2-celled. 



1. S. lateriflo'ba. 



Stem branching, nearly glabrous ; leavrs ovate-lanceolate, acuminate, serratP, 

 petiolate ; racrmis lateral, axillary, leafy. Meadows and ditches. Stem 

 square,] — 2 feet high, very branching. Leaves opposite, rounded at base, 

 acuminate or acute, coarsely serrate, on petioles an inch in length. Racemes 

 op|)osite, axillary, somewhat one-sided, on long stalks, and consisting of 

 numerous small, blue flowers intermixed with small leaves. The English 

 name is due to the singular form of the calyx, which after flowering, closes 

 upon the seeds like a cap or vizor. July, Aug. Per. Virginian iicull-cap. 



2. S. integrifo'lia, 



■S7e7rt erect, nearly simple, and, with the whole plant, densely pubescent; 

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

 entire, subsessile ; racemes loose, leafy ; jioicers large. Grows on dry hills. 

 Stem 1 — 2 feet high, with large blue flowers in terminal racemes,. Tiie leaves 

 vary in breadth and margin, the lowest being sometimes ovate and crenate. 

 July. Per. Entirc-lcavcd Scull-cap. 



3. S. galericula'ta. 



Stem, erect, simple or branched ; Z^flce* lanceolate-cordate, remotely crenate- 

 serrate ; y/ojccrs axillary, solitary Meadows and ditches. Tlie whole plant 

 glabrous. Stem square, 12 — 18 inches high. Leaves truncate-cordate at 

 base and acutish at apex, scarcely petiolate, li inch in length, ^ inch wide. 

 Flowers much larger than the preceding, rarely more than 1 from the sam£ 

 axle, with a vizor-like calyx like that of the last. Corolla an inch in length, 

 blue. July. Common Scull-cap. 



22. PRUNE'LLA . 



Calyx about 10-nerved, upper li|) dilated, truncale, with 3 



short (eelli, lower lip wiiii 2 lanceolale teelli; tilamenls 



forked, one point ofthe foik bearing llie anther. 



A name of German origin. Cal. campanulate, bilabiate. Cor. rinjrent ; 

 tube short, cylindric, the upper lip concave, entire, inflated, lower lip reflect- 

 ed, 3-lobed. Anth. approximate in pairs beneath the upper lip, 2-celled; 

 cells divaricate. 



P. vulga'ris. 



Siem ascending, simple ; /coires oblong-ovate, toothed, petiolate ; upper lip 

 of corolla truncate, with 3 awns. A very common plant sometimes called 

 blue-curls, found in meadov/s and low grotmds. The stem is nearly a foot 

 high, 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. Per. Self-heal. 



Tribe 7. NEPETEiE. 



Calyx oMigue, -upper teeth longer. Corolla bilabiate., vjrper lip vaulted, lower spreading, throat 



tnosty inflated. Staynens ascending or diverging, the ujrper pair longer. 



2 3. NE'PETA. 

 Calyx arid, striate; upper lip of the corolla emarginate. 

 lower 3-lobed, the middle lobe largest and crenate, margin of 

 the orilice reflected ; stamens approximate, 



