210 KEY AND FLORA 
I. SCUTELLARIA L. 
Mostly slender herbs, not aromatic. Flowers solitary or in 
pairs, axillary or in terminal spikes or racemes. Calyx bell- 
shaped, 2-lipped, the upper part swollen into a helmet-shaped 
pouch; mouth of the calyx closed after flowering. Corolla 
tube long, naked inside. Stamens 4, the anthers meeting in 
pairs, hairy-fringed. Style with a very short upper lobe. 
[The species here described are not the commonest ones, but 
most of the others grow in damp soil and bloom later. ] 
1. S. serrata Andr. Sxuticap. Stem not much branched, 1-3 ft. 
high. Stem leaves serrate, taper-pointed at both ends, ovate or nearly 
so. Racemes single, loose. Calyx rather hairy. Corolla 1 in. long, 
the lips of equal length. Woods. ; 
2. S. pilosa Michx. Hairy Skuticar. Stem more or less hairy, 
not much if at all branched, 1-3 ft. high. Leaves a few distant pairs, 
diamond-ovate, oblong-ovate, or roundish-ovate, scalloped, obtuse, 
the lower heart-shaped or nearly truncate at the base, with long 
petioles. Racemes short, few-flowered. Corolla } in. long; tube 
whitish, lips blue, the lower one rather shorter. Open woodlands 
and dry soil. 
3. S. integrifolia L. LarcGe-FLowrrep Sxuticap. Stem covered 
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 spreading, blue. 
Dry ground. 
4. S. parvula Michx. Sway Sxunucap. Perennial with necklace- 
like tuber-bearing rootstocks. Stems slender, minutely downy, 3-12 
in. long, erect or spreading. Leaves varying from ovate to lanceo- 
late, or the lower nearly round. Flowers solitary in the axils of the 
upper leaves. Corolla }—-} in. long, violet, downy. In moist, sandy soil. 
Il. MARRUBIUM L. 
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. Horzuounp. Stems somewhat reclining, stout, 
branching, leafy, 1-11 ft. high. Leaves broadly ovate, heart-shaped 
or wedge-shaped at the base, scalloped, leathery and wrinkled. Whorls 
