26 July 1749. 



in thefe parts, as they are common in dif- 

 ferent parts of Canada, and as this fand is 

 found on the Chores of almoft all the lakes, 

 and rivers in Canada, though not in equal 

 quantities. The red or garnet coloured 

 fand has its origin hereabouts ; for though 

 the rocks near fort St. Frederic contained 

 no garnets, yet there are fiones of different 

 fizes on the fliores, quite different from 

 the ftones which form thofe rocks -, thefe 

 ftones are very full of grains of garnets, and 

 when pounded there is no perceptible dif- 

 ference between them and the red fand. In 

 the more northerly parts of Canada, or be- 

 low Quebec, the mountains themfelves con- 

 tain a great number of garnets. The gar- 

 net coloured fand is very common on the 

 Ihores of the river St. Laurence. I ihall 

 leave out feveral obfervations which I made 

 upon the minerals hereabouts, as uninte- 

 refting to moft of my readers. 



THE Apocynum androfamifolium grows 

 in abundance on hills covered with trees, 

 and is in full flower about this time ; the 

 French call it Herbe a la puce. When the 

 italk is cut or tore, a white milky juice 

 comes out. The French attribute the fame 

 qualities to this plant, which the poifon- 

 tree, or Rhus vernix, has in the Englijh colo- 

 nies - 9 that its poifon is noxious to fome 



per- 



