Washingtonia. PALM.'E. 135 



A large tree, 30 to 45 metres in height, with a trunk 0.90 to 1.50 

 metres in diameter ; moist mountain slopes and benches between 2,500 

 and 5,000 feet elevation ; scattered among other trees and never exclu- 

 sively forming forests ; very common and perhaps reaching its greatest 

 development in the region north of the Big Blackfoot River and in the 

 valley of the Flathead River, Montana ; the largest and most valuable 

 timber tree of the Columbian basin. 



Wood heavy, exceedingly hard and strong, rather coarse-grained, com- 

 pact, satiny, susceptible of a fine polish, very durable in contact with the 

 soil ; bands of small summer cells broad, very resinous, dark-colored, 

 conspicuous ; resin passages few, obscure ; medullary rays numerous, thin ; 

 color light bright red, the thin sap-wood nearly white ; occasionally 

 manufactured into lumber, but principally used for fuel, posts, railway- 

 ties, etc. 



403. Larix Lyallii, Pari. 



Eastern slope of the Cascade Mountains of northern Washington, east 

 along the boundary of the United States to northern Montana. 



A low, much-branched, straggling, alpine tree, rarely exceeding 15 

 metres in height, with a trunk sometimes 1.50 metres in diameter; dry, 

 rocky soil, generally upon northern exposures, and associated with Pinus 

 albicaulis and Tsuga Pattoniana along the upper limits of tree growth 

 between 5,500 and 7,000 feet elevation. 



PALM^. 



404. Sabal Palmetto, Lodd. 

 Cabbage Tree. Cabbage Palmetto. 



North Carolina, south along the coast to Key Largo, Florida, extend- 

 ing along the Gulf coast to the Apalachicola River. 



A tree 7 to 12 metres in height, with a trunk 0.60 to 0.90 metre in 

 diameter ; sandy maritime shores ; very common and reaching its greatest 

 development upon the west coast of the Florida peninsula south of Cedar 

 Keys. 



Wood light, soft ; fibro-vascular bundles hard, difficult to work, dark- 

 colored ; color light brown ; impervious to the attacks of the Teredo, and 

 largely used for wharf-piles, etc. 



405. Washingtonia nlifera, Wend. 

 Fan-leaf Palm. 



California, — from the eastern base of the San Bernardino Mountains 

 to the valley of the Colorado River. 



A tree 12 to 18 metres in height, with a trunk 0.60 to 1.05 metres in 

 diameter, forming groves of 250 to 500 plants in the depressions of the 



