Flora of the Allegany State Park Region 57 



IRIDACEAE (Iris Family) 



Iris versicolor L. Blue Flag 



In swamps, wet meadows and borders of streams. 

 Common in the lower valleys, absent from the higher 

 portions of the park. 



Sisyrinchium gramineum Curtis, S. graminoides Bickn, 

 Blue-eyed Grass 

 In moist, grassy situations either in fertile or rather 

 sterile soil, sometimes in open woodlands. Common. 



ORCHIDACEAE (Orchid Family) 



Cypripedium parviflorum Salisb., var. pubescens 

 (Willd.) Knight. Larger Yellow Lady's Slipper 

 In moist or rather dry humus of open woodland 

 slopes, usually in rather poor soil. Rare. Peters 

 run, slopes of Elko mountain etc. 

 Cypripedium reginae Walt., C. hirsutum of Gray's Man., 

 ed. 7 (figure 8). Showy Lady's Slipper 

 In boggy or springy places, usually more or less 

 shaded, very rare, and only a single colony known 

 within the park area. Salamanca (Day, Plants of 

 Buffalo & Vic. 141. 1882). 

 Cypripedium acaule Ait. (figure 9). Stemless Lady's 

 Slipper, Moccasin Flower 

 In sterile or acid' humus in open woods and 

 thickets. Frequent. Occasional in .the more fertile 

 woodlands of the forested slopes. 

 Orchis spectabilis L. (figure 10). Showy Orchis 



In moist, fertile humus of open woodlands and 

 banks. Infrequent. 



