5 8 BULLETIN OF THE LABORATORIES 



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

 Rock, Toboso and a few other places. August 37, 1887; Jii;ie 25, 

 1890; July 18, 1891. 



L. 'EBENAGEAE. 

 220. DiosPYROS L. 



469. p. Vjrginiana L. Conjmon 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 Miclix. 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. 



LIL 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. N. minor Y,. Periwinkle. 



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

 21, 1890; April 18, 1891. ■ 



LIIL ASCLPPIADACP4p. 



224. ASCLEPIAS L. 



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



