370 



FOREST TREES OF THE PACIFIC SLOPE. 



light reddish brown. Mature leaves (fig. 173) grow singly and alternately from 

 the young twigs, but one or two issue at a point on older twigs ; the 3-uerved 

 leaflets (fig. 173) are more or less hoary with minute hairs. The pods (fig. 173) 

 ripen in August, when they are pale brown, containing flat, shiny, deep brown, 

 almost circular seeds — a most important character. The pods usually remain 



Fig. 173. — Acacia grcggii. 



on the branches for from six to eight months. Wood, dull red-brown, dense, 

 heavy, hard, and with a thin layer of lemon-yellow sapwood. Not known to be 

 used for any economic purpose, probably because of the scarcity of sizable trees, 

 but it has economic value on account of its good quality and its durability. 



