6 Treatise on 
a pale Yellow within, and covered with a thick 
Bark. It is acrid, aromatick, and leaves a naufeous 
Bitternefs upon the Tongue. 
It ought to be chofen well preferved, heavy, not 
too much wrinkled, full and firm, having its na- 
tural Smell and Tafte quick and ftrong, not falling 
into Dull when broken, nor mouldy, carious, nor 
worm-eaten. Which Marks of Goodnefs are alfo 
applicable to other Roots. 
The Plant is called Arijiolochia rotunda , flore ex 
purpura nigro , C. B. P. Arijiolochia rotunda , J. B. 
It grows in Languedoc and Provence *. 
2. Arijiolochia longa r Off. ’A^roXo^'a fxa^dl et 
ococivxlris, Diofc. et Gal . Arijiolochia altera feu mas , 
Plin. Long Birthwort is an oblong cylindrical 
Root, as thick as one’s Thumb, and fometimes as 
thick as one’s Arm, and a Foot long, wrinkled, of 
a brown Colour without, and yellowifh within, 
having a Tafte and Smell like round Birthwort, 
but weaker. 
The Plant is called Arijiolochia longa vera , C. B. P. 
Arijiolochia longa , J. B. It grows in the fame Places 
with the former. 
3. Arijiolochia Clematitis , Off. ’A^roXop^a xX^alr- 
Diofc. et Gal. ’AgicoXojfct Xzttty^ i. e. tenuis ejuf 
dem Gal. et Andromack. Arijiolochia tertia feu Clema - 
iitis , Plin. Creeping Birthwort is a long Root, 
fpreading its Branches a great Compafs in the Earth, 
which are very numerous and {lender, being fcarce 
as thick as a Goofe-quill, of a brown Colour and 
yellowifh within. It has a ftronger Smell than 
the two former, and a bitter Tafte, which, from the 
Subtilty of its Parts, is immediately perceptible. 
* It likewise grows, with the three following Species, in 
Spain, Italy, and other warm Climate!: 
3 
The 
