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vifcera, and the root is frill prefcribed, 
in powder, as an anthelmintic. 
Afplenium. In this genus the fructifications 
are in oblique right lines on the diik 
of the leaves, which are either fimple, 
pinnatifid, pinnated, or decompofite. 
Linnaeus enumerates 28 fpecies, of 
which only eight have been found on 
this ifland. Of the A.fcolopendrium Cur- 
tis has given a good engraving. Thefe 
feveral fpecies are in Englifh called 
Spleenworts, with fame epithet to dif- 
tinguifli them one from another. 
Polypodium. Fructifications in roundifh fpots 
on the difk of the leaf, in lines parallel 
to the nerve. We have 14 fpecies of 
this genus. There are in all 78. The 
leaves are varioufly pinnated. In the 
Flora Londinenfis you will find a plate 
of the P. vulgare. Common Polypody. 
Adiantum. Seeds in oval fpots in the curled 
extremities of the leaves. Of thisj^?- 
cies there are 27 genera, of which only 
the A. capillus Veneris, True Maiden- 
hair, is a native of Britain. It has 
been found on Barry ifland, Glamor- 
ganfhire, and on the ifle of Arran in 
Scotland. 
5H, 
