Miller. 249 
cafion he obferves, that the Farletaria^ fo 
frequent in England^ is not the Farietaria 
OffLcinarimi of Cafpar Bauhine, but the 
P. Ocymi folio of that author. In this fup- 
pofition, however, we may obferve, that Mr. 
Miller has not been followed by E/^g-- 
iijh botanifts of later date. 
A Letter to the Rev. Tho7?2as Birch, 
D. D. Secretary to the Royal Society." 
PhiL'Tranf. Vol. xlix. p. 161. And, 
Remarks upon the Letter oi ls/lv.yoi)n 
Ellis, F. R. S. to Philip Carteret Vv'ebb, 
Efq." in Vol.1, p. 430. 
Thefe letters relate to a difcovery made 
by the Abbe Maze as, and the Abbe Saut- 
vAGES,on the black ftaining quality of three 
feveral fpecies oi American Sumach. Neither 
the lixivium of wood afhes, nor boiling wa- 
ter with foap, had any efFed: in weakening 
the tinge made by the juices of thefe plants. 
They were, i . The Poifon Afh, or Toxico^ 
dendrum Carolinianum foliis pinnatis (Rhus 
yernix Lin.) 2. Toxicode?2dron triphyllwn folio 
f nuato pub ef cent e Tourn. (Rhus Toxicoden- 
id r u m ) . 3 . Toxicodendrum trip by Hum glabrum 
(Rhusradicans), Mr, Miller confiders the 
Abbe's 
