333] FLORA OF COLUMBIA AND VICLNITY igt 



Order 33. EBENALES. 

 Family 84. EBENACEAE Vent. Ebony family. 



300. DIOSPYROS L. Date plum. 



720. D. Virginiana L. Persimmon. 



Fields and rocky woods; well distributed, but seldom in 

 abundance; a large grove, however, occurs near Rocheport 

 cave. 



Rhode Island to Iowa and Kansas; Florida to Texas. 



Order 34. CONTORTALES. 

 Family 85. OLEACEAE Lindl. Olive family. 



301. FRAXINUS L. Ash. 



721. F. Americana L. White ash. 

 Common in rich woods and old fields. 



Nova Scotia to Minnesota; Florida to Texas. 



722. F. lanceolata Borck. [F. viridis Mich.x. f.]. Green 

 ash. 



Along streams, and common as an ornamental tree: the 

 typical form with leaves green beneath is rare; a form with 

 leaves whitened beneath, thus approaching F. Petimylvanica 

 Marsh., but glabrous, is common. 



Quebec to the Northwest Territory; Florida to 

 Louisiana and the Indian Territory. 



723. F. quadrangulata Michx. Blue ash. 

 Common on cliffs and rocky hillsides. 



Ontario and Michigan to Minnesota; Alabama to 

 Arkansas. 



724. F. nigra Marsh. [/^ sambiicifolia Lam.]. Black ash. 

 Common in low grounds. 



Newfoundland to Manitoba; Virginia to Arkansas. 



