FLORA OP BURLINGTON AND VICINITY 31 



S. rostrata Richards. Beaked Willow. Borders of thickets; common. 

 Apr., May. 



S. sericea Marsh. Silky Willow. In swamps and along streams; rare. 

 Apr., May. Burlington and South Burlington, (Jones). 



Some peculiar willows occur at Burlington, (Jones), which will prob- 

 ably prove to be hybrids. 



MYRICACEAE. SWEET GALE FAMILY 



MYRICA L. 



M. asplenifolia L. Sweet Fern. Dry sterile soil; common. Apr., May. 



M. Gale L, Sweet Gale. Swamps and borders of ponds; occasional. 

 May. 



JUGLANDACEAE. WALNUT FAMILY 



CARYA Nutt. Hickory 



C. alba (L.) Koch. Mocker Nut, White-heart Hickory. Rocky pas- 

 ture, Burlington, (Burns). June. 



C. cordiformis (Wang.) Koch, Bitter-nut or Swamp Hickory. Occa- 

 sional in cultivation, but rare otherwise. May, June. South Bur- 

 lington, (Hubbard and Strait). 



C. ovata (Mill.) Koch. Shellbark or Shagbark Hickory, Walnut. Rich 

 soil; frequent. May, June. 



JUGLANS L. Walnut 



J. cinerea L. Butternut, White Walnut. Rocky hillsides; frequent. 

 May. 



BETULACEAE. BIRCH FAMILY 



ALNUS (Tourn.) Hill. Alder 



A. iucana (L.) Moench. Speckled or Hoary Alder. Swamps and bor- 

 ders of streams; common. Apr. Several forms occur, which are 

 intermediate between this and A. rugosa, and are regarded by 

 some as hybrids. 



A, mollis Fern. Downy Green Alder. Damp thickets and exposed 

 rocky banks; rare. May. Burlington, (N. F. F.). 



