GHAMAECYPARIS NOOTKATENSIS, (Lamb.) Spach. 

 Yellow Cedar. Yellow Cypress. Sitka Cypress. Alaska Cypress. 



Size. Average 80 ft. by 1 to 2 ft. ; maximum 130 ft. by 5 to 6 ft. 



Growth. Slow but persistent, requiring 200 years to produce saw 

 timber. Trees 15 to 20 inches in diameter are 200 to 275 years old. Life 

 up to 500 or 600 years. 



Root System. Shallow. 



Bole. Base swelled and fluted, rapidly tapering, generally one or 

 two slight bends. 



Crown. Open, narrow, conical; branches and tip drooping and 

 persistent. 



Tolerance. Less than hemlock, cedar, and amab lis fir, but 

 greater than noble fir, white pine or larch. Occasionally more tolerant 

 on moist soils and in the south and in younger ages. Keeps fairly dense 

 shade under good conditions. 



Wood. Somewhat brittle, close grained, very durable; splits and 

 works easily; 29 pounds. 



, Reproduction. Not fully known; good seed years occasionally; 



production not abundant or prolific. Flowers in April ; cones mature and 



scatter seed in early fall of the same year. Seed light and large winged ; 



.germination percent moderate; vitality transient. Will germinate on 



duff or mineral soil. Seedlings hardy. Germinate in shade. 



" Range. Northern Oregon to Prince William Sound, Alaska. 

 Optimum, coast and islands of B.C. and southern Alaska. Usually con- 

 fined to west slopes in the Cascades of Oregon and Washington at 2000 to 

 7500 feet elevation; B.C. and north, sea-level to 3000 feet. 



Climate. Temperature cool to below zero in the north; pre- 

 cipitation 20 to 100 inches from Oregon to Alaska; humidity great. 



Soil. Needs little soil but much moisture. Like? the giant cedar 

 the soil is chiefly moist, rocky or gravelly. 



Association. Occurs singly and in groups; occasionally forms 

 pure stands under favorable conditions. B.C. and southern Alaskan 

 coast with Sitka spruce, red cedar, hemlock and swamp hard-woods; 

 higher elevations to timber line with Sitka spruce, hemlock, jack pine, 

 lodgepole pine, and amabilis fir. Washington coast with lowland fir and 

 yew; at higher elevations in the Coast Ranges and Cascades with hem- 

 lock, lodgepole pine, amabilis and lowland firs, Douglas fir, western larch, 

 white pine, alpine fir, and Engelmann spruce. 



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