Trees 69 



pistillate with violet, obovate scales, lateral, erect. Fruit: cones erect, 

 cylindrical to ovoid, their broad obtuse scales deciduous from the per- 

 sistent central axis. 



This small conifer has smooth bark divided by shallow 

 fissures somewhat roughened by cinnamon-red scales, and 

 drooping lower branches, the upper ones forming spire-like 

 heads. If you take hold of a branch it feels quite soft in 

 the hand. The needles which are rounded or shallow- 

 notched at the apex, are whitish below with a green midrib 

 and the two resin-ducts are imbedded in them. The buds 

 are small, round and gummy. 



WESTERN HEMLOCK 



Tsuga heterophylla. Pine Family 



A tall, evergreen tree, Leaves: flat or somewhat angled, linear, 

 abruptly petioled, entire or spinulose-serrate towards the rounded apex. 

 Flowers: the staminate ones yellow, a subglobose cluster of stamens 

 in the axils of last year's leaves; the pistillate ones terminal on the 

 previous year's branchlets. Fruit: cones pendulous, very small, oblong- 

 cylindrical, acute, slightly pubescent. 



This tree has reddish-brown bark and conspicuously 

 grooved leaves, which are rounded at the apex, dark green, 

 and very lustrous on the top, and marked below by broad 

 white bands. The foliage has a generally feathery appear- 

 ance, and the cones are very small. 



MOUNTAIN HEMLOCK 



Tsuga Mertensiana. Pine Family 



A large, evergreen tree, with slender pubescent branchlets, and dark 

 green foliage. Leaves: angular, acutish, attenuate at the base, often 

 curved, stomatose and keeled on both sides, unequal, appearing as if in 

 fascicles. Flowers: the staminate ones on very slender drooping stems; 

 the pistillate ones erect. Fruit: cones oblong-cylindrical, large. 



