4! 
AQUIFOLIACEAE 
lex L. 
verticillata (L.) Gray. Black Alder. Winterberry. 
laevigata (Pursh.) Gray. Smooth Winterberry. Belchertown 
ponds, H. G. Jesup; Southwick; C. H. Bissell in 
Rhodora, Vol. XIII, p. 54. 
Nemopanthus Raf. Mountain Holly. 
mucronata (L.) Trel. 
CELASTRACEAE 
Celastrus L. Staff Tree. Shrubby Bitter-sweet. 
scandens L. Waxwork. Climbing Bitter-sweet. 
STAPEY LEACEAI 
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 [Tourn.] L. Maple. 
pennsylvanicum 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. 
