28 



FOREST TREES OF THE PACIFIC SLOPE. 



By early winter the cones have fallen from the trees. The seeds (fig. 

 6, a) are deep reddish brown speckled with blackish brown. Seed leaves 

 6 to S, sometimes 0. Wood, very dense on account of its exceedingly slow 

 growth ; light, soft ; heartwood, pale lemon-yellow. 



Fig. 5. — Pinus flexilia. 



Longevity. — Little is known of the longevity of this pine; trees from 2<"> to 

 300 years old and from IS to 22 inches through are not uncommon. 



