6 CONTENTS. 



Lon^'lraf Pino ( I'iint.i jMlustria Miller). By Charles Mohr, Ph. D.— Continued. Paje. 



Natural reproduction *^^ 



Forest management 64 



Conclusion f>6 



Appendix. — The Naval Store Industry G7 



Resin, or crude turpentine ■ ''7 



Spirits of turpentine, or oil of turpentine ()7 



Kosin of colophony 'i^ 



Pine tar 68 



Common pitch GS 



Historical remarks 68 



Turpentine orcharding in the forests of Longleaf Pine 69 



Distillation 70 



Cost of establishing a ])lant and working the crops 71 



Eflects of the production of naval stores upon the timber, the life of the tree and the conditions of 



the forest 72 



The(.'ul)an Pino {I'iiius hetcrophyHa (KU.) Sudworth). By CiiAni.ES Moitu, Ph. 1) 73 



Introductory 75 



Oeographical distribution 75 



Products 71) 



Kesinous products 76 



Classilication and nomenclature 76 



Description and morphological characters 77 



Flowers 77 



The wood 79 



Progress of development 81 



Requirements for develoj)ment 84 



Soil 84 



The Short leaf Pine (Pinus ichiitala Miller). By Charles Moni;, Ph. D 85 



Introduction 87 



Historical 87 



Geographical distribution 87 



Characteristics of distribution in ditfereut regions 88 



Produ c ts 93 



Nomenclature and classification 93 



Botanical description 95 



Leaves ' Si5 



Flowers 95 



Cones 95 



Seed 95 



The wood 97 



Progress of development 9!^ 



Conditions of development 101 



Soil and climate 101 



Relation to light and as.soeiated species 102 



Enemies 102 



Forest managenwnt 104 



The l,(>l)lol]y Pino (/'()/ »s tiitia Linn). By CiiARLKS MoiiR, Ph. D 105 



Introduction 107 



Historical 107 



rieograi)hical distribution and economic history 108 



Products Ill 



Value ;ind uses of the wood ' Ill 



Resinous ]iroduets 112 



Nomenclature and classilicatiiui U3 



Botanical description and morphology 113 



Root, stem, and branch system 113 



Leaves 115 



Floral organs 115 



The wood 117 



Progress of development 118 



Rate of growth , 118 



Conditions of development 121 



Soil ami climate 121 



Relation to light and associated species 122 



Enemies 122 



