246 ORD. XUL. Campanacece. 
The dose of Scammony is generally from three to twelve grains. 
It is commonly triturated with sugar, almonds, &c. or with a decoc- 
tion of liquorice, as recommended by the college of Wirtemberg. 
In the London Pharmacopeeia it is ordered in the following com- 
pounds:—Pulvis e scammonio compositus, Pulvis e scammonto 
compositus cum aloé. Pulvis e scammonio cum calomelane, Pulvis 
e senna compositus. Extractum colocynthidis compositum. And 
in the Pilule ex colocynthide cum aloe of the Edinburgh Pharm. 
CONVOLVULUS JALAPA. JALAP BIND-WEED, 
tame ona, em mam 
een pn rors meet wncamnae | 
SYNONYMA. Jalapium. Pharm. Lond. Jalappa. Pharm. 
Edin. Convolvulus Jalapa, fol. difformibus cordatis angulatis 
-oblongis lanceolatis, caule volubili, pedunculis unifloris. Lin. 
Syst. Veg. & Mant. 43. Convolvulus foliis variis, pedunculis 
unifloris, radice tuberos4 cathartica. Will. Dict. Convolvulus 
Américanus Jalapium dictus. Raii. Hist. vol. 1. 724. Mecho- 
acanna nigricans, sive Jalapium. Park. 180. Bryonia Mecho- 
acanna nigricans. Bauh. Pin. 298. 
Sp. Ch. €. caule volubili, foliis ovatis subcordatis obtusis obsolete 
repandis subtusvillosis, pedunculis unifloris. Hort. Kew. vol. 1.211. 
THE root is perennial, large, ponderous, abounding with a milky 
juice, of an irregular oval form, and blackish colour; the stalks are 
numerous, shrubby, slender, twisted, striated, rising above ten feet 
high, and twining for support round the ncighboamal plants; the 
leaves are various, generally more or less heart-shaped, but often 
angular, or oblong and pointed ; they are smooth, ofa bright green 
colour, and stand alternately upon long footstalks; the flowers are 
produced from short branches, sending off two peduncles each of 
