CONTENTS. 



Page. 



Introduction. By B. E. FERNOW u 



Botanical diagnosis of the four principal pines occurring in the Southern States 12 



Nomenclature of Southern pines 13 



Characteristics of the wood of Southern pines 13 



Mechanical properties 14 



delation of strength to weight 14 



Weight relations 15 



Distribution of weight and strength throughout the tree 15 



Effect of age 17 



Range of values for weight and strength 18 



Influence of locality 18 



Influence of moisture 19 



Weight and moisture _>() 



Shi ink age 20 



Kffect of "boxing," or "bleeding" 21 



Use of the wood 21 



Rate of growth 22 



Statistics and conclusions 23 



The Longleaf Pine (Pinus palustrit Miller). By CHARLES MOHK, Ph. D 27 



Introductory 29 



Historical , 29 



Geographical distribution 30 



Characteristics of distribution in different regions 30 



Timber regions supply and production 31 



The Atlantic pine region ; 31 



The maritime pine belt of the eastern. Gulf region 36 



The central pine belt of Alabama 41 



The forests of Longleaf Pino in north Alabama 41 



The region of Longleaf Pine west of the Mississippi 44 



Products >. 46 



Value and uses of the wood 46 



Resinous products of the Lougleaf Pine 48 



Products obtained from the leaves of Longleaf Pine 48 



Nomenclature and classification 48 



Botanical description and morphology 48 



Root, stem, and branch system 49 



Leaves and their modifications 49 



Floral organs 51 



Seeds 51 



The wood 53 



Growth and development 55 



( Onilitions of development 60 



Demands upon soil and climate 60 



Associated species 61 



Enemies 61 



Exploitation , 61 



Fires 62 



Live stock 62 



Storms 62 



Fungi 63 



Insects 63 



5 



