316 FAMILIAR TREES AND THEIR LEAVES. 



and in the mountains of Virginia and Kentucky. It is 

 a familiar object on' the sandy wastes of Martha's Vine- 

 yard, Mass.. 



Oak, Scrub Chestnut. Quercus prinoides. Usually a 

 shrub, but sometimes a tree 12 feet high, with thin 

 brown-gray, silvery bark, and resembling Quercus 

 Muhlenbergii. Leaves smaller than those of the species 

 just named, shining green above, gray fine-woolly be- 

 neath, 2^ to 5 inches long, and undulating. Acorn 

 with deeper cup. In dry sandy soil from New Hamp- 

 shire to Minnesota and southward. 



Ostrya virginica, p. 101. 



Persea Borbonia, p. 35. 



Picea Abies, p. 291. 



Picea canadensis, p. 288. 



Picea mariana, p. 287. 



Pine, Pond or Marsh. Pinus serotina. A similar 

 species to Pinus rigida, but having much longer needles ; 

 these are from 6 to 9 inches long, with sheaths in pro- 

 portion; needles in bundles of three. The prickles of 

 the cones are very short and are deciduous. This more 

 southern pine is found in the swamps near the coast 

 from A'irginia to Florida. 



Pinus echinata, p. 267. 



Pinus virginiana, p. 266. 



Pinus serotina, p. 272. 



Populus candicans, p. 129. 



Popidus deltoides, p. 127. 



Prunus americana, p. 64. 



Prunus angustifolia, p. 52. 



Primus nigra, p. 51. 



