74 
, FELICES 
BRITANNIC iE. 
Lin. Gen Plan. 1184, 
I S O E T I S lacuftris. 
Sp, PI, 1563. Flo, AngL 462. Scot, 683. Dan, 191, Ray Syn, 
306. Dill, Mufc, Fab, 80. Fig, 2, 
r A B, XLI, 
Q^U ILL WORT. 
^^HE root confifts of numerous ftrong, white, round fibres, which are 
* connected together under the bafe of the leaves, and defcend deep 
into the mud, at the bottom of lakes. 
The leaves grow eight or ten from the fame root, are four or five 
inches long, flat or plain on the infide, round or gibous on the outfide ; 
each confifts of feveral fiftular tubes, flender, and imbedded in a foft 
fpongy fubftance. Thefe tubes are furniflied with fmall diafragms, at 
certain diftances, and are furrounded with one common, fmooth, pale- 
green cover; and thus the leaf is conftrudted. When newly taken out 
of the water, it is pellucid; and, if viewed between the eye and the 
