41 



AQUIFOLIACEAE 

 Ilex L. 



verticiVata (L.) Gray. Black Alder. W'interberry. 

 laevigata (Pursh.) Gray. Smooth Winterberry. Belchertown 

 ponds, H. G. Jesup ; Southwick; C. H. Bissell in 

 Rhodora, Vol. XIII, p. 54. 

 Nemopanthus Raf. Mountain Holly. 

 TTtucronata (L.) Trel. 



CELASTRACEAE 



Celastrus L. Staff Tree. Shrubby Bitter-sweet. 

 scandens L. Waxwork. Climbing Bitter-sweet. 



STAPHYLEACEAE 



Staphylea L. Bladder Nut. 



trifolia L. American Bladder Nut. Sunderland, brooks of Conn, 

 river, C. S. Plumb ; Mt. Toby, A. V. Osmun ; 

 Plumtrees, Sunderland, Mt. Holyoke, Deerfield, 

 North Hadley. 



ACERACEAE 

 Acer [Toum.] L. Maple. 



penTisylvanicum L. Striped Maple. Moosewood. 



spicatum Lam. Mountain Maple. 



saccharum Marsh. Sugar or Rock Maple. 



saccharum Marsh, var. nigrum (Michx. f .) Britton. Black Sugar 

 Maple. Many of our sugar maples in the Con- 

 necticut valley, if not identical with this variety, 

 closely approach it in form, texture, color and 

 pubescence of leaf and general habit. 



saccharinum L. White or Silver Maple. 



rubrum L. Red or Swamp Maple. 



rubrum L. var. tridens Wood. Springfield, L. Andrews. 



Negundo L. Box Elder. Western part of our range. 



SAPINDACEAE 



Aesculus L. Horse-chestnut. 



HippocASTANUM L. Common Horse-chestnut. Occasionally 

 propagates by seeds. 



