Chap. VII] COLD TEMPERATE FOREST FORMATIONS 571 



and South Texas respectively, regarding which reference may be made to 

 an earlier chapter, in which Sargent's southern province was dealt with 1 . 



Fig. 314. Forest of Pinus Strobus in Pennsylvania. From a photograph by Rothrock. 



The Northern province of Finns Strobus (2 on Map 4, also Fig. 314) pos- 

 sesses extensive forests of this valuable tree only on the sandy plains of the 



1 See p. 471. 



