Rapport sur les enquêtes forestières de l'U.Département de l'agriculture 1877-1898 . ere rien d'autre que les palmettoapis de scie à prospérer, l'arbre reste de faible croissance, raboussé, atteignant à peine la taille moyenne.Dans la profondeur de l'marécage, avec le sol humide et laushy tout au long de l'année, là où l'arbre est souvent rencontré, entouré de près de la baie blanche, de la baie rouge, de la gomme noire, du titi, et de la cedartowering blanche au-dessus, il est de croissance lente et fréquemment affecté par le cœur rouge ou la pourriture rouge, partique-ulairement près de sa limite nord. Il n'est jamais trouvé dans le fond alluvial, et eschews le sec, pin-

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Report upon the forestry investigations of the U.SDepartment of agriculture1877-1898 . ere nothing but the saw palmettoapi)ears to thrive, the tree remains of low, stunted growth, scarcely ever reaching medium size.In the depth of the swamp, with the soil wet and slushy throughout the year, where the tree iscommonly met with, closely surrounded by white bay, red bay, black gum, titi, and white cedartowering high above it, it is of slow growth and frequently affected by red heart or red rot, partic-ularly near its northern limit. It is never found in alluvial bottoms, and eschews the dry, pine-barren hills, requiring a moderate but sure and even supply of soil moisture. Climate.—The range of its distribution coincides with the area of greatest rainfall in theSouthern States, which, evenly distributed through all seasons, amounts for the year, in the mean, to 60 and 64 inches. The Cuban pine demands a warm climate, free from excesses in the range of temperature, asis aflbrded by the vicinity of the sea. It is found in greatest abundance and most perfect within Plate XIV.. ^ ^ / ^ C.CLSlENSki =ii£. Cuban Pine (Pinus heterophylla (eii.) Sudw.; O.HBIOEy[fN S: , closed ODne; 6, open cone; c, apophyses; d, cone scales, dorsal and ventral view; e, f, g, seed and seed wings, doi-sal and ventral vi( SHORTLEAF PINE. 79 the isothermal lines of G-t^ and 68° F., with a minimum of but a few degrees below the freezing-point. The tree, as observed at Mobile, has escaped uninjured the severe and unprecedentedlong spell of ice and snow during the latter part of January and first week of February, 1895, when the thermometer fell as low as 11° F., the flowers unfolding unimpaired by frost during thesucceeding first days of milder weather. In its dependence on light it is less exacting than either the longleaf pine or the loblolly pine.It appears to thrive, from the earliest stage of its development, as well when partially shaded asin the open, in this respect resembling the Southern

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