OF DENISON UNIVERSITY. 83 



720. C. spectabile Salisb. Showy Lady's Slipper. 

 Herbarium of Dr. F. O. Jacobs. 



721. C. acaule Ait. Stemless Lady's Slipper. 



This species formerly occurred in the college woods and other 

 woods in the immediate vicinity of Granville, but no specimens, to 

 my knowledge, have beemfound in the county for a number of years. 

 It is possibly extinct, although it occurs in Fairfield county in several 

 places. No herbarium specimen. 



LXXXVII. IRIDACEAE. 



345. Iris Tourn. 



722. I. versicolor. L. Larger Blue Flag. ' 



Swamps and moist soil, rather common, especially in the south- 

 ern part of the county. May 31, 1890. 



723. I. lacustris Nutt. Lake Dwarf Iris. 



In Beardslee's Catalogue of the Plants of Ohio, it is stated that 

 this species occurs at the Licking Reservoir. It has not been found 

 there in recent years. 



346. Sisyrinchium L. 



724. S. angustifolium Mill. Blue-eyed Grass. 



Moist, grassy meadows, somewhat rare; Welsh Hills. June 4, 

 1890; May 30, 1891. 



LXXXVIII. AMARYLLIDACEAE. 



347. Hypoxis L. i 



725. H. erecta L. Star Grass. 



Rocky banks, somewhat common. May 28, 1890. 



LXXXIX. DIOSCOREACEAE. 



348. Dioscorea Plumier. 



726. D. villosa L. Wild Yam-root. 



Woods, somewhat rare; Granville and Newark townships. July 

 4, 1890. 



