C 54 ] 
VII. A Letter from Mr. John Reinhold 
Forfter, F. R. S. to William Watfon, 
M. D. giving Jo?ne Account of the Roots 
nfed by the Indians, in the Neighbour- 
hood of Hudfon’s-Bay, to dye Porcupine 
Head MONG the curiofities preferred 
the Royal Society, is a fmall parcel of porcupine 
quills, dyed by the wild natives, fome red and fome 
yellow, together with the roots of fome plants they 
ufe for that purpofe. 
I examined them carefully, at your defire, and 
found that they are probably of the fame kind with 
thofe mentioned by Prof. Kalm. vcl. iii. p. 14.. and 
160 of the English tranflation. The one root, dying 
yellow, is called by the French in Canada, Tilavoy- 
annejaune; the other, dying red, has the name of 
Tifavoyanne rouge. Prof. Kalm declares the latter 
to be a new plant, belonging to the genus of Galium, 
and received by Dr. Linnaius in his Species Plan-* 
trum, p. 153. by the fpecific name of Tindlorium, 
6 on 
N° 2, Somerfet Stable-yard, Strand, 
Jan. 16, 1772. 
S I R, 
by the Hudfon’s Bay Company to 
