DICOTYLEDONOUS PLANTS 195 
tube whitish, lips blue, the lower one rather shorter. Open wood- 
lands and dry soil. 
3. S. integrifolia, L. LARGE-FLOWERED SKULLCAP. Stem coy- 
ered with fine, grayish down, usually unbranched, 1-2 ft. high. 
Leaves lance-oblong or nearly linear, mostly entire, obtuse, with very 
short petioles. Corolla 1 in. long, tube pale, lips large and spread- 
ing, blue. Dry ground. 
Il. MARRUBIUM, Tourn. 
Perennial, downy, or woolly herbs. Whorls of flowers axil- 
lary; flowers small; bracts leaf-like. Calyx tubular, 5-10- 
toothed, teeth somewhat spiny. Corolla short; upper lip 
erect, lower spreading, 3-cleft, the middle lobe broadest. 
Stamens 4, not projecting. Lobes of the stigma short and 
blunt. 
1. M. vulgare, L. Horenounp. Stems somewhat reclining, 
stout, branching, leafy, 1-14 ft. high. Leaves broadly ovate, heart- 
shaped or wedge-shaped at the base, scalloped, leathery and wrinkled. 
Whorls of flowers dense. Calyx-teeth hooked at the tip. Corolla 4 
in. long, white. Cultivated from Europe as an herb (used in prepa- 
ration of horehound candy) and somewhat naturalized. 
Ill. NEPETA, L. 
Erect or prostrate herbs. Whorls of flowers axillary or ter- 
minal; flowers blue or white. Calyx tubular, 15-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. 
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 3 in. long, 
whitish with purple dots. Introduced from Europe; a common 
weed about dooryards. 
2. N. Glechoma, Benth. Grounp Ivy, GILL-OVER-THE-GROUND, 
CREEPING CHARLEY, CROW-VICTUALS, ROBIN-RUNAWAY. Creep- 
ing. Leaves roundish, kidney-shaped, and crenate. Corolla bluish- 
purple, three times as long as the calyx. Introduced from Europe, 
common in damp places about houses and gardens. 
