Hill: PenohsGot Plants. 233 



BETULACEAE 



CoEYLUs EOSTBATA Ait. Occasioual ill moist woods. Eeacli, 

 Deer Isle (^^s. 1993, 2760). 



Betula lutea Michx. f. Common in rich moist woods. 



Betula populifolia Marsh. Abundant in clearings and 

 open woods. 



Betula alba L., var. papyrifeea (Marsh.) Spach. Com- 

 mon in woods. 



var. COKDIFOLL4. (Kegel) Fernald. Frequent in woods. 



ALisrrs ceispa (Ait.) Pursh, var. ]mollis Fernald.'' \_Alnus 

 mollis Fernald.] Abundant in moist woods, thickets and 

 low ground. Also on sterile slopes and summits of hills. 



Alnus incaxa (L.) ]\Eoench. Frequent in low ground. 



FAGACEAE 



Fagus geandifolia Ehrh. Occasional in rich woods. 



QuEECus EUBEA L. Infrequent in rich soil. 



var. A:\rBiGUA (Michx. f.) Fernald. Infrequent. All 

 fruiting specimens of the red oak were found to be 

 this variety and it is possible that the typical form 

 may be absent or very rare. 



URTICACEAE 



Ulmus ameetcana L. Rare. Usually escaped from cul- 

 tivation. Brooklin and Deer Isle. 



HuMULUS LupuLus L. Frequent in dry thickets along road- 

 sides. 



TJetica geacilis Ait. Occasional on barrier beaches. 



1. Rhodora 15: 44 (1913). . .- - . 



