49 ELEMENTS OF BOTANY. 
lateral lobes small, close to the throat of the corolla. Sta- 
mens 4, rising beneath the upper lip. Low spreading herbs. 
(L. AMPLEXICAULE), HEN-BIT. An annual or biennial weed 
with small purple flowers. Leaves roundish, deeply crenate, the 
lower ones petioled, the upper sessile and clasping. 
SOLANACER, NIGHTSHADE FAMILY. 
Usually herbs, mostly tropical, with colorless juice, which 
is sometimes acrid, nauseous, or poisonous, and alternate 
leaves. Flowers regular, on bractless pedicels; calyx 5- 
parted; corolla more or less 5-parted, lobed, or angled; 
stamens 5; pistil consisting of a single style and stigma and 
a compound ovary, ripening into a (generally 2-celled) cap- 
sule or berry. Seeds with endosperm. 
I. SOLANUM, NIGHTSHADE, POTATO. 
Calyx generally 5-parted or 5-cleft. Corolla generally 
5-parted, cleft, or angled and wheel-shaped or nearly so (Fig. 
124). Anthers nearly sessile, enclosing the style. Berries 
commonly 2-celled. 
(S. DutcamarRa), BirTERSWEET. Stems rather shrubby, long, 
and climbing; leaves heart-shaped, or some of them with irregular 
lobes, or ear-like leaflets at the base; the blue or purple flowers 
somewhat cymose; berries showy, of many shades of orange and 
red in the same cluster, according to their maturity. Perennial. 
II. PETUNIA. 
Divisions of the calyx oblong-spatulate. Corolla showy, 
spreading funnel-shaped, not perfectly regular. Stamens 5, 
somewhat unequal in length, inserted in the middle of the 
corolla-tube and not projecting beyond it. Capsule 2-celled, 
containing many very small seeds. Leaves alternate and entire. 
a. (P. VIOLACEA), Common PetuntrA. Stems rather weak and 
reclining ; leaves covered with clammy down; corolla varying from 
purplish to bright red, often variegated, with a broad, inflated tube, - 
which is hardly twice as long as the calyx. Cultivated annual 
from South America. 
