KEY TO GENERA AND SPECIES 



43 



81. Tip of the cone scales with a stout hooked 



prickle or spine about | of an inch long. 



Penn. southwestward along the mountains. 



(Fig. 69.) Table Mountain Pine, Pinus 



pungens Lamb. 

 81. Tip of the cone scales with a slender prickle 



barely f of an inch long. Long Island south- 



Fig. 72. Northern Scrub Pine. 



westward. (Fig. 70.) Jersey Pine, Scrub 

 Pine, Pinus virginiana Mill. 



82. Cones pointing forward towards the tip of the 

 branch. Northern New England to Mich, 

 and northward. (Figs. 71, 72.) Northern 

 Scrub Pine, Gray Pine, Scrub Pine, Pinus 

 Banksiana Lamb. 



82. Cones pointing backward. Cult, and escaped. 



