286 Forestry Quarterly. 



dense. Flozvers and Fruit — Flowers medium size in compact 

 clusters. Seed vessels cup-shaped. Bark — Tenacious. Re- 

 sembles American cedar. Color gray to tan. 



Growth: Attains heights of 150 to 200 feet. Pleasing in 

 appearance. Seedlings covered with soft hair. 



Wood: Pale colored. Splits readily, not liable to warp. 

 Strong and durable. Uses — Useful for timber, fence rails, and 

 posts. Bark used for roofing, mats, and strings. Leaves rich 

 in oil. 



Requirements: Climate — Best adapted to a moderately 

 humid region. Does not do well in too hot climates. Does best 

 near coast. Soil — Is found on sandy and poor soil. 



Places Grown in the West: Pasadena, Santa Monica. 



12. E. globulus. 



BLUE GUM. 



Identification : Leaves — Early leaves blue and opposite. 

 Older leaves smooth, elongated, and alternate. Small twigs on 

 young trees square, on old trees rounded. Flowers and Fruit — 

 Warty protuberances on flower buds. Seeds larger than in 

 most species of eucalypts. Bark — Usually peeling but some- 

 times persistent. 



Growth : Grows to a height of 200 to 300 feet in Autralia. 

 In California has attained a height of 150 feet in 30 years, and 

 50 to 75 feet, in 5 years. The fastest growing tree in the world. 



Wood: Pale in color, hard, heavy, and strong. Compares 

 with hickory in hardness. Very liable to check badly unless 

 •carefully seasoned. Durability — Not very lasting under ground. 

 :but lasts well for piling in salt water. Uses — Used for fuel ; 

 used in manufacture of implements, tool handles, etc. Leaves 

 a valuable source of oil. 



Requirements: Climate — Thrives well in moist warm cli- 

 mates, and quite well in warm dry regions. Endures tempera- 

 tures between 27 F. and 105 ° F. Rather sensitive above and 

 below these extremes. Soil — Wide range. Prefers river banks 

 and alluvial valleys in Australia. 



Peaces Grown in the West: Found in most parts of Cali- 

 fornia. Does not thrive at Chico, Cal. (Does not do well in 

 Arizona). 



Facts oe Special Interest: The most widely grown and 



