224 Bulletin 187 



A. peunsylvauicuiii L. Striped Maple, Moosewood. Rich woods; com- 

 mon. 



A. riibnim L. Red or Swamp Maple. Moist woods and swamps; 

 common. 



A. sacchariiiuni L. White or Silver Maple. Banks of rivers and lakes 

 at low altitudes; frequent. 



A. saccliarum Marsh. Sugar or Rock Maple. Rich woods ; common. 



A. sacehanim Marsh, var. nigniin (Michx. f.) Britton. Black Sugar 

 Maple. Moist soil, Lake Champlain "Valley; occasional. "Windsor," 

 (Michaux) ; Arlington, (W. H. Blanchard) ; St. Johnsbury, (Bridget 

 M. Rooney). 



A. spicatiini Lam. Mountain Maple. Cool ravines and mountain wood- 

 lands; common. 



SAPINDACEAE. SOAPBERRY FAMILY 



AESCULUS. Horse-chestnut. Buckeye 



A. Hippocastaiiuin* L. Common Horse-chestnut. Commonly planted 

 and occasionally spontaneous. 



BALSAMINACEAE. TOUCH-ME-NOT FAMILY 



IMPATIENS. Balsam. Jewelweed 



I. I)iflora Walt. Spotted Touch-me-not. Moist shady places; common. 

 L, pallida Nutt. Pale Touch-me-not. Moist shady places, especially on 

 mountain sides. 



RHAMNACEAE. BUCKTHORN FAMILY 



CEANOTHUS. Red-root 



C americamis L. New Jersey Tea. Dry woodlands; common. 

 C. ovatiis Desf. Sandy banks of Lake Champlain, Burlington. 



RHAMNUS. Buckthorn 



K. aliiifolia L'Her. Dwarf Alder. Swamps; more frequent in western 



Vermont. 

 R. catliartica* L. Common Buckthorn. Common in cultivation and a 



frequent escape in woods and fields. 



VITACEAE. VINE FAMILY 



PSEDERA. (PARTHENOCISSUS). Woodbine. Virginia Creeper 



P. qiiiiuinefolia (L.) Greene. Woodbine, American Ivy. Moist thickets; 



common. 

 P. quinquefolia (L.) Greene, var. hirsiita (Donn.) Rehder. Clinging 



closely to limestone ledges; Cornwall, (Brainerd) ; Burlington, 



(Jones); Rutland, (Kirk). 

 p. vitaceae (Knerr) Greene. Woodbine. Alluvial thickets; common. 



