:\IINT FAMILY 211 



of flowers dense. Calyx teeth liooked at the tip, CoroHa .', in. hnig, 

 white. Cultivated from Europe as an herb (used in preparation of 

 horehound candy) and somewhat naturalized. 



III. NEPETA L. 



Erect or prostrate herbs. Whorls of flowers axillary or ter- 

 minal ; flowers blue or white. Calyx tubular, lo-ribbed, 5- 

 toothed. Corolla tube slender below, dilated at the throat, 

 naked; upper lip notched or 2-cleft ; lower lip 3-cleft, middle 

 lobe large. Stamens 4, ascending under the upper lip, the 

 upper pair longer. Lobes of the stigma awl-shaped. 



B. Fl. species 2 (^Glecoma). 



1. N. Cataria L. Catnip. Stem grayish, downy, 2-3 ft. high, 

 branched, very leafy. Leaves large, ovate-heart-shaped, deeply scal- 

 loped, serrate, white and downy beneath. Corolla about l in. long, 

 whitish with purple dots. Xaturalized from Europe ; a common weed 

 about dooryards. 



2. N. hederacea Trevisan. Ground Ivy, Gill-over-the-Gkound, 

 Creeping Charley, Crow Victuals, Robin Runaway. Creep- 

 ing. Leaves roundish, kidney-shaped, and crenate. Corolla bluish- 

 j)urple, three times as long as the calyx. Common in damp places 

 about houses and gardens. Naturalized from Europe. 



IV. PRUNELLA L. 



Perennials, with stems simple or nearly so, and sessile, 3- 

 flow^ered flower clusters in the axils of kidney-shaped bracts, 

 the whole forming a spike or head. Calyx tubular-bell-shaped, 

 somewhat 10-ribbed; upper lip broad, 3-toothed, the teeth shorty 

 lower lip with 2 longer teeth. Upper lip of the corolla upright, 

 arched, and entire ; the lower spreading, reflexed, fringed, and 

 3-cleft. Stamens 4, reaching up under the upper lip, with the 

 tips of the filaments 2-toothed ; only one tooth anther-bearing. 



1. P. vulgaris L. Self-Heal, IIealall, Carpenter Weed. 

 Leaves with petioles, ovate-oblong, either entire or toothed, often 

 somewhat hairy. Corolla usually blue or bluish, somewhat longer 

 than the brown-purple calyx. Oj^en woods and fields everywhere. 



V. LAMIUM L. 



Annual or perennial hairy herbs. Calyx tubular-bell-shaped, 

 5-veined, with 5 awl-pointed teeth of nearly equal length. 



