8o6 



Yearboo\ of Agriculture 1949 



135. Redwood. 136. Giant sequoia. 137. Incense-cedar. 138. Western redcedar. 



California. Bark reddish brown, thick, deeply furrowed, fibrous. Leaves scalelike, l /a to l /4 

 inch long or on leading shoots ^2 inch long, blue green, sharp-pointed, growing all around 

 the twig and overlapping. Cones 1^4 to 2^4 inches long, reddish brown, maturing the 

 second year. 



Principal uses: The largest trees are preserved in national parks and national forests. 

 Formerly lumbered for the same uses as No. 135. 



LL. Leaves in pairs, threes, or fours, scalelike. 

 M. Leafy twigs more or less flattened. 



N. Twigs much flattened, more than %6 inch broad including leaves. 

 O. Joints of leafy twigs distinctly longer than broad INCENSE-CEDAR 

 (Libocedrus). 



137. INCENSE-CEDAR, Libocedrus decurrens Torr. (California incense-cedar). 



Large tree of Pacific coast region from Oregon to Lower California. Bark reddish brown, 

 thick, deeply and irregularly furrowed into shreddy ridges. Twigs flattened, the internodes 

 wedge-shaped, */& to % inch long, bright green, with scale leaves ^e to ]/& inch long, their 

 bases extending down the twigs. Cones % to 1 inch long, reddish brown. 



Principal uses: The leading wood for pencils. Venetian blinds, lumber for rough con- 

 struction, fence posts, and railroad ties. Ornamental and shade tree. 



OO. Joints of leafy twigs about as long as broad THUJA (Thuja}. 



138. WESTERN REDCEDAR, Thuja plicata Donn (giant arborvitae, canoe cedar, arbovitae, 

 shinglewood, gigantic cedar, Pacific redcedar). 



Large to very large tree of Pacific coast and northern Rocky Mountain regions north to 

 Canada and Alaska. Bark reddish brown, thin, fibrous. Twigs flattened and branching 

 in one plane. Leaves scalelike, ^ to l /a inch long, shiny, dark green. Cones /a inch long, 

 pale brown, with leathery scales. 



Principal uses: The chief wood for shingles. Lumber used largely in construction such 

 as siding. Also a leading wood for poles and widely used for posts. 



NN. Twigs slightly flattened, less than I /LQ inch broad including leaves 

 WHITE-CEDAR ( Chamaecyparis } . 



139. PORT-ORFORD-CEDAR, Chamaecyparis lawsoniana (A. Murr.) Parl. (Port-Orford 

 white-cedar, Lawson falsecypress, Oregon cedar, Lawson cypress). 



