REPORT OF THE STATE BOTANIST 1902 81 



DIOSCOREACEAE 

 Dioscorea villosa L. 



Wild yam root • 



Thickets along the river. Frequent. Apalachin. June-July. 



IRIDACEAE 



Iris versicolor L. 



Larger hlue flag . 



Swamps and shores. Common, May-July. 



Sisyrinchium graminoides Bickn. 

 S. a n c e p s Cav. 

 Stout hlue-eyed grass 

 Grassy places. Frequent. June. 



Sisyrinchium angustifolium Mill. 

 Pointed hlue-eyed grass 

 Meadows and pastures. Common. May- August. 



ORCHIDACEAE 



Cypripedium acaule Ait. 

 ^'^teinless lady's slipper 

 Woods, specially on the site of decayed logs. Frequent. May- 

 June. 



Cypripedium liirsutum ^lill. 



C. pubescens Willd. 



Large yellow lady's slipper 

 Wet woods and swamps. Infrequent. June. 



Cypripedium parviflorum Salisb. 

 Small yellotc lady's slipper 

 Wet or dry woods. Common. June. 



Orchis spectabilis L. 

 Showy orchis 

 Damp woods. Tioga Center. Rare. May. 



Habenaria orbiculata (Pursh) Torr. 

 Large round -leaved orchis 

 Rich woods. Barton. Infrequent. July. 



