KEY TO GENERA AND SPECIES 



45 



(Fig. 74C.) Austrian Pine, 

 Pinus Laricio var. au- 

 slriaca Endl. 



LARCH. Leaves many in a clus- 

 ter, falling from the tree 

 in the autumn. Fruit a 

 cone, as in Pine. 



84. Leaves i inch or less in 

 length. Cones \ to f of 

 an inch long; scales few. 

 Central Penn. northeast- 

 ward and northwestward. 

 (Fig. 75.) American Larch, Tamarack, 



Fig. 75- 

 American Larch. 



Fig. 76. European Larch. 



Hackmatack, " Juniper," Larix laricina 

 (Du Roi) Koch. 



