CONE-BEARERS. S3 



FOUrth CenUS, TSUCA Carriere. 



THE HEMLOCK-SPRUCES. 



The branchlets of the Hemlock-Spruce are rough 

 like the True Spruce; the cones are also terminal, 

 very small; the bracts are similar; but the leaves are 

 petioled (/. e. t narrowed at base into a foot-stalk), 

 and they each have a single resin-duct on the back; 

 the seeds are provided with resin vesicles on the up- 

 per surface in this respect resembling the Fir. Male 

 flowers at the end or distributed along the short 

 branch lets. Six species, 2 in North-west America: 



No. 1 Western HemlOCk - V> Mertensiana,Csirri&re. 

 Picturesque trees of the Northwest, reaching 

 Northern California. Cones decorating the short 

 branchlets, ovate, J inch long. Branches long, 

 drooping, with flattened, fan-like branchlets and 

 short, linear, light green leaves, about J inch long, 

 mostly in two ranks. 



No. 2 Alpine HemlOCk T. Pattoniana, Engelm. 



Alpine or subalpiue trees of the Sierra, Cascade 

 and Rocky Mountains, often attaining a large size, 3 

 to 6 feet in diameter, and retaining their limbs these, 

 especially the upper ones, gracefully drooping and 

 profusely decorated with the large, purple, pendent 

 cones, 1 J to 3 inches long. 



