CONTENTS. 7 



Tlie Loblolly Tine (Piini« inda Linn). By Charles Moiir, Ph. D.— Continued. P^e 



Natural reprodnction ^i 



Conclusion 



The Spruce Pine {Pinus gJahra Walter). By Charles MoHU, Ph. I) ....!!. 125 



Introductory ^ i^_ 



Historical , ,,_ 



Distribution ^^_ 



Economic importance ^n- 



Botanical descri])tiou ,qo 



Progress of development , ,jg 



Enemies ^ „„ 



Requirements of development -.on 



Notes on the structure of the wood of the five pines, Pinus p<iluslri:<, heleropln/lhi. n-hinata, Uvda, and glabra. Bv 



FiUHEUT Roth " .„, 



Sap and heart wood . .10 



Annual rings -.„. 



Spring and summer wood ,o(< 



Grain of the wood ,„„ 



" l.io 



Minute anatomy -„„ 



