97 



Pill us y'uiida is at present more alnindant than all other trees 

 comhined, and although some of it is known to have been planted, 

 it is safe to assume that it was always the Cape's commonest tree. 

 Evergreens are therefore in the majority among the trees. The 

 great ditTerence in evergreenness between shrubs and undershrubs 

 is noteworthy, and probably due to the same cause as in Michigan, 

 namely, the latter are protected by snow in winter.* Alost of the 

 vines and shrubs have berries, while wind-borne seeds are in over- 

 whelming majority among the herbs. Tonoboles are nearly as 

 scarce as in northern ^Michigan.* and barbed fruits rare and chiefly 



Barren sandy plains in north edge of Eastham, with stunted Pinus rigida 

 (mostly about six feet tall), and in the foreground Corema, which however 

 does not show very plainly, because the light was poor. Oct. 14. 



Persons familiar with Long Island vegetation will recognize at 

 once that nearly all of these plants grow also on that island, with 

 approximately the same relative abundance. Most of them are 

 common also as far south as the mountains of Georgia. A list of 

 plants common in the interior of New England and rare or absent 

 on the Cape would be a long one, but the following are the most 

 confined to weeds. 



* Sec Bull. Torrey Club 45: 41. 1918. 



