OF DENISON UNIVERSITY. 27 



XXIII. VITACEAE. 



75. ViTis Tourn. 



i4i. V. aestivalis Michx. Summer Grape. 

 Woods and along streams, common. June 10, 1890; June 4, 

 1891. 



142. V. aestivalis Mich. Var. bicolor LeConte. 

 Dry woods, rare; Red Rock, Toboso. 

 , 143. V. cordifolia Michx. Frost or Chicken Grape. 

 Creek banks, common. June 6, 1889. 



144. V. riparia Michx. 



Creek banks, common. June 6, 1889. 



76. Ampelopsis Michx. 



145. A. quinquefolia Michx. Virginia Creeper. 

 Woods everywhere. July 28, 1890. 



XXIV. SAPINDACEAE. 



.77. Aesculus L. 



146. Ae. glabra Willd. Fetid or Ohio Buckeye. 



Along streams, somewhat common. May 8, 1884; May 6, 1887; 

 May I, 1889; May 30, 1891. 



78. Acer Tourn. 



147. A. saccharinum Wang. Sugar or Rock Maple. 

 Common everywhere. May 3, 1887; April 18, 1891. 



148. A. saccharinum Wang. Var. nigrum Torr and Gray. 

 Black Sugar Maple. 



Less common than the above, but geaerally distributed. 



149. A. dasycarpum Ehr. White or Silver Maple. 

 Common in cultivation, to be found wild at Toboso and Licking 



Reservoir. January 11, i8go; February 20, 1891. 



150. A. rubrum L. Red or Swamp Maple. 



Woods and along streams, common. April 7, 1887; April 2, 

 1889; November 20, 1890; March 25, 1891. 



