Threlkeld, igg 
erudition in the fcience, enumerates all the 
plants he had obferved in the environs of 
Dublin^ and of all fuch as he had gained 
authentic intelligence, from other parts of 
the kingdoin. He gives, firft, the old La- 
tin names, generally from Cafpar Bau- 
hine's Pinax then the Engliflo name; 
and afterwards the Irijh ; fubjoining fome 
account of the quality of the plant, and its 
ufe in medicine, and ceconomy. 
He has moreover interfperfed fome curi- 
ous obfervations : to inftance, under the 
Betuky or Birch Tree, he fays, The IriJJj 
grammarians remark, that all the name$ 
of the L'-iJJj letters, are names of trees," 
Under Brajfica, he obferves, That the 
*^ v^ord is only the Celtic Fraijjeagb put 
into a Latin termination ; the Latin be- 
ing no other than the Celtic language 
cloathed with the ^olic diale6l, as £/2^« 
" lijh is the Saxon or Dutch language 
cloathed with Normandy French^ as all 
antiquaries will allow/' 
It is obfervable, that Threlkeld i^o- 
tices the good efFedts of the Lythrum Sa- 
licaria^ in a dyfentery : a fimple fince his 
O 4 time 
