160 OHIO BIOLOaiCAL SUEVBY 



Xyridaceae. Yellow-eyed-grass Family. 



553. Xyris flexuosa Muhl. Slender Yellow-eyed-grass. Portage, 



Geauga. 



Eriocaulaceae. Pipewort Family. 



554. Brioeaulon septangulare With. Seven-angled Pipewort. Sum- 



mit County. 



Order, Iridales. 



Amaryllidaceae. Amaryllis Family. 



555. Manfreda virginica (L.) Salisb. False Aloe. Lawrence County. 



556. Hypoxis hirsuta (L.) Cov. Yellow Stargrass. General. 



Iridaceae. Iris Family. 



557. Iris versicolor L. Large Blue-flag. General. 



558. Iris cristata Ait. Crested Dwarf Iris. Lawrence, Adams, Scioto, 



Pike, Ross, Jackson, Vinton, Hocking, Cuyahoga, Trumbull. 



559. Gemmingia chinensis (L.) Ktz. Blackberry-lily. From Asia. 



Franklin County. 



560. Crocus verna L. Crocus. Escaped in Lake County. 



561. Sisyrinchium angustifolium Mill. Pointed Blue-eyed-grass. 



Rather general. 



562. Sisyrinchium graminoides Bickn. Stout Blue-eyed-grass. Gen- 



eral. 



Dioscoreaceae. Yam Family. 



563. Dioscorea villosa L. Wild Yam. General. 



563.1. Dioscorea bulbifera L. Air Potato (Yam). Escaped from gar- 

 dens in Madison County. 



Order, Orchidales. 



Orchidaceae. Orchid Family. 

 Subfamily, cypripediatae. 



564. Cypripedium reginae Walt. Showy Lady's-slipper. Fulton, 



Champaign, Lucas, Geauga, Portage, Muskingum. 



565. Cypripedium candidum Willd. White Lady's-slipper. Wyan- 



dot, Erie, Montgomery. 



