XXXI.] 



LARCHES. 



263 



TABLE CXL. 

 Tensile Experiments. 



TABLE CXLI. 

 Vertical Experiments on Cubes of 



E = 649130. S = 1643. 



North America also produces a species of Larch, the 

 well-known Hackmatack (Larix Americana) ; it is said to 

 be tolerably abundant, and is found to range from the 

 mountains of Virginia to Hudson's Bay. 



In deep forests it sometimes attains a height of 60 and 



