58 BULLETIN OF THE LABORATORIES 



Moist places, even on moist rocks, somewhat rare; Black Hand 

 Rock, Toboso and a few other places. August 27, 18S7; June 25, 

 1890; July 18, 1891. 



L. EBENACEAE. 



220. DlOSPYROS L. 



469. D. Virginiana L. Common Persimmon, 



Roadsides and fields, rare; Flint Ridge and near Jersey, only a 

 very few trees. No herbarium specimens. 



LI. OLEACEAE. 



221. Fraxinus Tourn. 



470. F. Americana L. White Ash. 

 Common everywhere. 



471. F. pubescens Lam. Red Ash. 



Words, rare. Specimens in Denison Herbarium. 



472. F. quadrangulata Michx. Blue Ash. 



Woods, rare; southeast corner of New Cemetery, Granville, and 

 a few other localities. 



473. F. sambucifolia L. Black Ash. 

 Woods, rare; Mt. Parnassus. 



LIE APOCYNACEAE. 



222. Apocynum Tourn. 



474. A. cannabinum L. Indian Hemp. 



Roadsides, etc., common. July 2, 1887; June 25, 1890; June 

 13, 1891. 



223. . Vinca L. 



475. V. minor L. Periwinkle. 



Escaped from cultivation in many places. May 28, 1889; April 

 21, 1890; April 18, 1891. 



LIIL ASCLEPIADACEAE. 



224. ASCLEPIAS L 



476. A. tuberosa L. Butterfly-weed. Pleurisy-root. 



