54 



MYRICACE^E. 



MYRICA, L. 

 M. cerifera, L. BAYBERRT. 



Very common. 

 M. Comptonia, 0. DC. ( Gomptonia asplcnifolia, Ait. ) SWEET 



FERN. 



Very common. 



BETULACE^. 



BETULA, Tourn. 



B. alba, L., var. populifolia, Spach. WHITE BIRCH. 

 One plant on the plains of Bloomingdale. L. L. D. 



SALICACE^. 



SALIX, Tourn. WILLOW. 



S. tristis, Ait. DWARF GRAY WILLOW. 

 S. discolor, Muhl. 

 Eare. L. L. D. 



POPULUS, Tourn. 



P. grandidentata, Michx. LARGE-TOOTHED ASPEN. 



A few depauperate specimens near Gibbs's Swamp. 

 P. alba, L. ABELE. SILVER-LEAVED POPLAR. 



Spreading from planted trees. 



CONIFERS. 



PINUS, Tourn. 



P. rigida, Mill. PITCH PINE. 



These pines are all from seed planted by Josiah Sturgis and 

 others in 1847 and following years. They have spread exten- 

 sively from seed, but are infested now with insects of the 

 family Tortricidce which have killed many of the trees and 

 threaten the destruction of the rest. If this destruction 

 could have been averted by measures taken in season, it is too 

 late now to apply the remedy. Prof. Scudder's prediction in 



