b CO>'TENTS. 



The Longleaf Pine (PinMsjjn^Ksin's Miller). By Ciiaiu.es Mohu, Ph. I). — C'ontinueit. ranc. 



Natural reproduction 61 



Forest management 64 



Conclusion 66 



Appendix.— The naval store industry 67 



Kcsiii, or crude turpentine 67 



Spirits of turpentine, or oil of turpentine (i7 



Rosiu, or colophony 6S 



Pine tar 6S 



Common pitch 68 



Historical remarks 68 



Turpentine orcharding in the forests of Longleaf Pine 69 



Distillation 70 



Cost of establishing a plant and working the crops 71 



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



the forest 71' 



Longleaf Pine in highlands 7". 



Additional notes on Longleaf Pine. By Filihekt Koth 74 



The Cuban Pino {rinus helero2)hylla (Ell.) Sudw.). By Ciiarlks Mohr, Ph. 1) 77 



Introductory 7Si 



Geographical distribution ^ 7Si 



Products 80 



Resinous jjrodncts 80 



Classification and nomenclature 80 



Description and morphological characters 81 



Flowers 81 



The wood 83 



Progress of development 8.i 



Requirements for development 88 



Soil 88 



Additional notes on Cuban Pine. By Filibert Roth 89 



The Shortleaf Pine (Phius echiiiata Miller). By Chaules Moiir, Ph. D <ll 



Introductory 93 



Historical 93 



Geographical distribution 9.3 



Characteristics of distribution in different regions 94 



Products 99 



^omorclature and classification 99 



Botanical desciip+>on 101 



Leaves 101 



Flowers 10 1 



Cones _. 103 



Seed 103 



The wood 103 



Progress of development 104 



Conditions of development 107 



Soil and climate 107 



Relation to light and associated species 108 



Enemies 108 



Forest management 1 1 



Additional notes on Shortleaf Pine. By Filihert Roth lU 



The Loblolly Pine [riniia tada Linn.). By Charles Mohr, Ph. D 113 



Introduction 115 



Historical ll,-. 



Geographical distribution and economic history lid 



Products 119 



Value and uses of the wood 119 



Resinous products 120 



Nomenclature and classification IL'I 



Botanical description and morphology 121 



Root, stem, and branch system 121 



Leaves 123 



Floral organs 123 



The wood 125 



Progress of development 126 



Rate of growth 126 



