25 
181. E. americanus, L., var. obovatus, T. & G. Trailing Straw- 
berry Bush, 
et, rich, open woods 
June. Chiefly south. 
berry Bush. 
Wet, rich, open woods, along streams or low lands; infrequent 
RHAMNACE^E. 
RHAMNUS, Tourn. 
182. R. alnifolius, L’Her. Alder-leaved Buckthorn. 
Swamps near Lake Calumet. Edgemoor, Ind. Pine Station, Ind., 
Bastin, Hill. Infrequent elsewhere. (B.) 
183. R. lanceolata, Ph. Buckthorn. 
Chicago, Babcock — in Herb. N. W. University. Kensington, Brennan. 
(B.) 
CEANOTHUS, L. 
184. C. americanus, L. New Jersey Tea. Red-root. Mountain 
Sweet. 
Open woods; frequent. July. 
VITACE-ZE. 
VITIS, Tourn. 
185. V. aestivalis, Michx. Summer Grape. 
Woods and thickets; common. May — July. (B.) 
186. V. eordifolia, Michx. Winter or Frost Grape. 
Along streams; frequent. June. 
n|^ 187. V. riparia, Michx. Winter or Frost Grape. 
V. eordifolia, Michx., var. riparia , Gray. 
Woods and shaded banks; frequent. May — June. (B.) 
AMPELOPSIS, Michx. 
'h 188. A. quinquefolia, Michx. Virginia Creeper. Woodbine. Five- 
leaved Ivy. American Ivy. Ivy. 
Woods and old fence-rows; frequent. July. 
Easily cultivated as an ornamental vine. 
l A - 
SAPINDACE.®. 
ACER, Tourn. 
189. A. pennsylvanicum, L. Striped Maple. Striped Dogwood. 
Moose-wood. 
Grows in rich soil. May. (B.) 
Woods near north end of Lake Calumet, 1885. Riverside, Babcock — 
in Herb. N-W. Univ. 
But two specimens have been reported within our limits. 
