IRIDACEAE 



Iris [Tourn.] L. Fleur-de-lis. 



versicolor L. Larger Blue Flag. 



germanica L. Fleur-de-lis. Mt. Toby, H. L. Clark in Rhodora, 

 Vol. I, page 165. 

 'Beiamcanda Adans. Blackberry Lily. 



chinensis (L.) DC. Escaped, South Hadley, Mrs. C. S. Phelps. 

 SJsyrincJiium L. Blue-eyed Grass. 



mucronatum Michx. 



angusttfolium Mill. 



gramineum Curtis. 



ailanticum Bicknell. 



ORCHIDACEAE 



Cypripedium L. Lady's Slipper. Moccasin Flower. 



arjetinum R. Br. Ram's Head Lady's Slipper. Mt. Toby, W. 

 S. Clark. This is the only station which we know 

 in this region, and it is often found here quite 

 plentifully. 



parviflorum Salisb. Smaller Yellow Lady's Slipper. Mt. Hol- 

 yoke, E. Tuckerman ; Shelburne, F. G. Tucker- 

 man ; Hawley, Buckland, W. D. Forbes ; North- 

 field, Shutesbury, etc. A cross apparently between 

 parviilorum and pubescens is found on the banks 

 of the Conn, river at Gill, E. H. Sharpe. 



parviflorum Salisb. var. pubescens (Willd.) Knight. Larger Yel- 

 low Lady's Slipper. 



hirsutum Mill. Showy Lady's Slipper. Deerfield, E. Hitchcock; 

 Easthampton, W. S. Clark ; Mt. Holyoke, H. G. 

 Jesup ; Hawley, W. D. Forbes ; Mt. Toby, C. S. 

 Plumb, 1880. This plant has become exterminated 

 in many of the stations enumerated above due to 

 the activities of professional collectors. 



acaule Ait. Stemless Lady's Slipper. A white flowered form is 

 frequently found. 

 Orchis [Tourn.] L. 



spectabilis L. Showy Orchis. 

 Hahenaria Willd. Rein Orchis. Fringed Orchis. 



bracteata (Willd.) R. Br. Rather common in mountainous re- 

 gions. 



flava (L.) Gray. 



hyperborea (L.) R. Br. 



dilatata (Pursh.) Gray. Plumtrees Swamp, Sunderland, etc. 



