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 oe ones, but 
most ot the others grow in damp soil and bloom later. ] 
1. S. serrata Andr. SKULLCAP. Stem not much branched, 1-3 ft. 
high, Stem leaves serrate, as r- ee at both euds, ovate or nearly 
so. Racemes single, loose. Calyx rather hairy. Corolla 1 in. long, 
the lips of equal length. W oods. 
2. S. pilosa Michx. Harry SkuLLcap. Stem inore or less hairy, 
not auch if at all branched, 1-3 ft. high. Leaves a few distant pairs, 
diwmond-ovate, oblong-ovate, or roundish-ovate, scalloped, obtuse, 
the lower heart-shaped or nearly trnneate 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. Largr-FLrowrerep SkUuLLcAr. Stem covered 
with fine, grayish down, usually unbranched, 1-2 ft. high. Leaves 
Tance-obloug or nearly linear, mostly entire, obtuse, with very short 
pelioles. Corolla lin, long, tube pale, lips large and spreading, blue. 
Dry ground. 
4. S. parvula Michx. Swacn Skutiecar. Perciunial with necklace- 
like (iber-hearing 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, 5-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, 1-1} ft. high, Leaves broadly ovate, heart -shaped 
or wedge-shaped at the base, scalloped, leathery and wrinkled. Whorls 
