CONTENTS. 



Pago. 



Intiodnctiou. l\y B. H Fehnow 11 



Botanical diagnosis of the I'mir inincipal piiu's occurriuji in the Sontbern States 12 



Nonu'nclatnre of Sontbern pines 1'5 



Characteristics of the wood of .Southern pines 1-i 



Mechanical properties 11 



Relation of strength to weight 14 



Weight relations 15 



Distribution of weight and strength throughout the tree It' 



Effect of age 17 



Range of values for weight and strength 18 



Inlluence of locality 18 



Influence of nioistuie 19 



Weight and moisture 20 



Shiinkage 20 



Effect of "boxing," or "lileeding" 21 



Use of the wood 21 



Rate of growth 22 



Statistics and conclnsions 23 



Lougleaf Pine {I'inus 2}(dn!itri!j Miller). By Ciiaui.ks Momt, Ph. 1) 27 



Introductory 29 



Historical — ' 



Geographical distribution ^" 



Characteristics of distribution in different regions ''0 



Timber regions — supply and production ■ ■■■ ''1 



The Atlantic pine legion '^1 



The maritime pine belt of the eastern Gulf region •^•^ 



The central pine belt of Alabama '1 



The forests of Lougleaf Pine in north Alabama 11 



The region of L(mglcaf Pine west of the Mississippi River H 



Products. 



1(3 



Value and uses of thi> wood 



Resinous products of the Longleaf Pine 



Products obtained from the leaves of Longleaf Pino 18 



Nomenclature .and elassitication 



Botanical description and morphology 



Root, stem, and branch systi^m 



Leaves and their modifications 



Floral organs 



Seeds '^ 



The wood 



Growth and development '^' 



Conditions of development ' 



Demands upon soil and climate ' 



Associated species ' 



Enemies 



Exploitation 



Fires "^ 



Til ... 62 



Live stock 



„. 62 



Storms 



Fungi 



, . Do 



Insects 



5 



