Other Periodical Literature. 



513 



with denser foliage. The trade winds blowing steadily and 

 strongly from the west all summer bear greatest pressure 

 on the larger and denser limbs so that the natural grain of 

 the wood becomes twisted towards that side on which the 

 wind produces the greatest pressure. When a number of 

 trees grow closely in a group only those on the outside show 

 unilateral development and those twist left or right accord- 

 ing to the position of their heavier branches. 



The Journal of the Board of Agriculture, XVIII, 1911, — 



The Use of Manures in Forestry. Pp. 139-140. 



Planting, Cleaning, and Cutting Willows. Pp. 207-214. 

 Increasing the Durability of Timber. Pp. 281-288. 



Quarterly Journal of Forestry, V, 1911, — 



The Sweet Chestnut as a Timber Tree. Pp. 205-220. 



Planting Distance. Pp. 226-231. 



Mountain Pines ivith Split Branches. Pp. 263-265. 



Bulletin de la Societe Dendrologique de France, No. 20, 1911, — 



Les Cedres du Liban dans Cur Pays d'origine. Pp. 125- 

 134- 



Graines et Planttdes des Conifcres. Pp. 134-205. 

 Keys for identification. 



ex. 





' 



Splettstosser Planting Tools. 

 From Vol. VII, p. 483. 



