PINACEAE 



Port-Orford-gedar 

 Chamaecyparis lawsoniana (A. Murr.) Pari, 



HABIT. A large, handsome tree 140-180 feet high and 4-6 

 feet in diameter (max. 225 by 16 feet); boles clear and often 

 buttressed; crown short-conical, with many branches. 



LEAVES. Scalelike; blunt; ^e inch long; entire; yellow- 

 green to blue-green; turning brown after 2-3 years, but per- 

 sisting for several years; glandular; forming flat, horizontal, 

 feathery sprays. 



FLOWERS. Male oblong, bright red; female subglobose. 



FRUIT. Yi inch in diameter; globose; red-brown; abundant; 

 of 6-8 decussate, peltate scales, each with thin, acute, reflexed 

 boss; maturing in 1-2 years; persistent on twig after seed released. 

 Seed: 2-5 on each scale, Vs inch long, ovoid, chestnut-brown, 

 with 2 broad lateral wings. 



TWIGS. Slender; flattened; leaf-covered. Winter buds: 

 minute, naked, inconspicuous. 



BARK. 6-10 inches thick, red-brown to silver-brown, fibrous, 

 and furrowed on old trunks; young bark thin and scaly. 



WOOD. Important; aromatic; very durable; pale brown; 

 light; easily worked; used for battery separators, Venetian 

 blinds, boats, aircraft, and other uses; cut far exceeds growth. 



SILVICAL CHARACTERS. Moderately tolerant; growth 

 moderate; maturity reached in 300-350 years, but often living 

 for more than 500 years; reproduction aggressive; free from 

 insect and fungal enemies, though damaged by fire. 



HABITAT. Altitudinal range from sea level to 5,000 feet; 



requires abundant soil and atmospheric moisture; in pure 



stands or mixed with numerous conifers. 



* * * 



Two Japanese species are widely planted as ornamentals: 



1. The Sawara white-cedar, Chamaecyparis pisifera (S. & Z.) 

 Endl., is a narrow, pyramidal tree of fairly rapid growth which 

 is easily identified by its acuminate leaves which are obscurely 

 glandular and dark green above and have conspicuous white 

 lines below. The cones are |4 inch or less in diameter, and con- 

 sist of 10-12 scales. 



2. The Hinoki white-cedar. Chamaecyparis obtusa (S. & Z.) 

 Endl., is a tree with broad, pyramidal crown, characterized 

 by obtuse leaves which are dark green above and not glandu- 

 lar and with conspicuous white lines below. The cones are 

 Yi'Vi inch in diameter, and consist of 8-10 scales. 



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