CONVOLVULUS SCAMMONIA. 
Sseeps. Few, large, with mucilaginous albumen. Cotyledons 
foliaceous or wanting. 
Tur SeconpaRy CHARACTERS. 
Convotvutvus. Calyx five-parted, naked, or with two small 
bracts near the base. Corolla campanulate or funnel-form. 
Limb five-plaited. Stamens shorter than the limb, rarely a 
little longer. Ovary two-four-celled. Cells one -two-ovuled. 
Style simple. Stigma simple or two-lobed. Capsule valvate, 
two — four-celled, four — six-seeded. 
Calyx five-parted, with or without two bracts. Corolla funnel-form, plaited. 
a two-cleft or double. Cells of the capsule two or three, each one or two- 
Tur Speciric CHARACTERS. 
ConvoivuLus Scammonia. Stemsmooth. Leaves sagittate, 
posteriorly truncate. Lobes entire or elongate-laciniate. Pe- 
duncles very long, many-flowered. : 
Stem twining, herbaceons. Leaves sagittate, truncate behind, with pointed lobes 
at the base. Peduncles rounded, about three- flowered. 
Tae Anmirictan. CHARACTERS. 
Chast Pawtinedls Stamens five. Orper Monoeynia. 
Monopetalous. Flowers inferior. Corolla regular. Herbs 
rarely shrubby. Stamens alternate with petals. Fruit, cap- 
sule or berry. Cells with one or two seeds. Corolla limb 
entire. 
NATURAL HISTORY. 
Convo.vu.tus Scammonia is a native of Syria, Cappadocia, 
and Cochin China. It grows in abundance in the mountains 
between Aleppo and Latachea, and flowers early in summer. 
From these places the greater part of the Scammony of com- 
merce is obtained. The root, which is perennial and fusiform, 
is tapering, from three to four feet long, and from nine to 
twelve inches in circumference, covered with bark of a light- 
gray color ; it is branched towards the bottom, and every part 
of it contains a milky juice. It sends up many slender, twin- 
ing” stems, which spread themselves in the ground, or climb 
Ss ae Seer: shembe or trees. to the estent of fifteen or 
