53 



36. Tsuga canadensis, Carr., Hemlock. 

 Experimental raising of this tree has only been 

 carried out on a small scale in Bavaria. One 

 would think that the rapid growth, durability of 

 the wood, and the tanning properties of the bark 

 would have brought this tree into greater promi- 

 nence. Even in America this species of wood 

 was altogether neglected (while Weymouth pine 

 was to be got), except for the bark torn from the 

 trunk for tanning purposes. 



C. West American Broad-leaved Trees. 



37. Fraxinus oregana, Nutt [Frojcinus oregona, 

 Mayr), Oregon Ash. 

 The experiments with this are quite isolated, 

 and it has only been cultivated with success by 

 Mayr. 



D, West American Conifers. 



38. Abies amabalis, Forb., Purple Fir Amaballs 



Fir. 



39. Abies concolor, Gord., American Silver Fir, 



White Fir. 



40. Abies grandis, Lindl., Great Coast Fir, 



Great Silver Fir. 



41. Abies nobilis, Lindl., Pacific, Noble, Fir, 



Red Fir. 

 Experiments with these four firs have been 



