34 FLORA OF WORCESTER COUNTY. 



ORCHID ACE^ (ORCHIS FAMILY). 



Oypripedium L. Lady's Slipper. 



parvifiomm Salisb. Smaller Yellow Lady's Slipper. 



In woods, not common. 

 parviflorum, var. pubescens (Willd.) Knight. 



In woods, local and rather rare. 

 birsutum Mill. Showy Lady's Slipper. 



Ashburnham. Prof. Vose. Rare, 



acaule Ait. Stemless Lady's Slipper. In woods, common. 

 Orchis (Tourn.) L. 



spectabilis L. Showy Orchis. In woods, occasional. 

 Habenaria Willd. Fringed Orchis. 

 bracteata (Willd.) R. Br. 



Mount Wachusett. 



flava (L.) Gray. In grassy places, not common. 



clavellata (Michx.) Spreng. 



Worcester. Mr. George Coult. 

 obtusata (Pursh) Richards. 



Mount Wachusett. Mr. Pratt. 



Hookeri Torr. In rich woods, not rare. 



orbiculata (Pursh) Torr. In rich woods, scarce. 



ciliaris (L.) R. Br. Yellow Fringed Orchis. 



Northborough, Dr. Bigelow; Uxbridge, Miss Gold- 



thwaite. A rare species in this county. 



blephariglottis (Willd.) Torr. White .Fringed Orchis. 



Princeton. Veni, vidi. 

 lacera (Michx.) R. Br. Ragged Fringed Orchis. 



In swamps and on grassy roadsides, 

 leucophsea (Nutt.) Gray. Very rare and local. 



psycodes (L.) Sw. In meadows and swamps, common. 

 fimbriata (Ait.) R. Br. In rich woods and meadows. 



