Var. padifolia (Willd.) T. ^^ C. 



Similar situations but less conmion and mure southern, extending northward to 

 Sandwich. 



\ ar. tenuifolia (Torr.) S. Wats. 



Perhaps sometimes confused with /. laevigata in southern New Hampshire ; general 

 n\ same habitats as other varieties, but less common tnan typical. 



I. laevigata (Pursh.) Gray. Smooth Winterberry. 



Infrequent, reaching northeastern limits of range in southern Maine and southern 

 Xew Hampshire; northern stations at Bradford, Wilmot, Heerfield and Straff< 

 swampy woods. 



tor a 



I. glabra (L. ) Gray. Inkberry. 



Very rare, one known station in Xew Hampshire close to Massachusetts line in 

 Seabrook ; a small colony in swamiiy woods near coast : Rhodora 57 :34-3(), 1955. 



Nemopanthus mucronata ( L. ) Trel. Mountain-Holly. 



General and common throughout at low and medium elevations ; swampy woods, 

 and bogs, edges of ponds, moist coniferous woods on mountain slopes and sometimes 

 near summits. 



Euonymus europaeus L. European Spindle-tree. 



Escaped from cultivation in Milton, liampton, and perhaps e-lsewhere : introduced 

 from Europe. 



Celastrus scandens L. Climbing Bittersweet. 



h'requent in southern New Hampshire at low altitudes, becoming infrequent north- 

 ward to Stark; rocky slopes, talus slopes, thickets, river banks, and woods. 



Staphylea trifolia L. Bladdernut. 



Rare in central and lower Connecticut \'alley ; north to Plainfield, West Lebanon, 

 and Hanover (the latter doubtfully native); thickets, and rich woods. 



Acer Ginnala Maxim. 



Rare escape, spreading in Durham to old fields and adjacent woods: introduced 

 from Asia. 



A. spicatum Lam. Mountain-Maple. 



Common in cool woods, rocky slopes, and talus at low and medium elevations in 

 northern New Hampshire, becoming infrequent southward. 



A. pensylvanicum L. Striped Maple. 



Common at low elevations in northern New Hampshire in rich, cool woods, de- 

 creasing in abundance in southern New Hampshire. 



A. platanoides L. Norway Maple. 



In Durham and Seabrook, tending to spread by seeds at some distance from cul- 

 tivated trees : introduced from Europe. 



A. saccharum Marsh. Rock- or Sugar-Maple. 



General and common throughout at low and medium elevations to about 2,500 feet; 

 a climax tree of rich woods: forma conicuiii Fern, is an extreme with strongly as- 

 cending ibranches forming a conical tree known only from the type-'locality at 

 Woodstock, New Hampshire. A. saccluiniiii is a variable species exhibiting consider- 

 ably more variation in leaf-pubescence than is stated in Gray's Manual ed. 8; for 

 example, in Newmarket and Durham and probably elsewdiere there are found speci- 

 mens with pronounced pubescence on the lower surfaces of mature leaves, but which 

 in no other respect resemble the following species. 



37 



