-48- 

 IRIDACEAE (Iris Family) 

 IRIS L. 



I^. prismatica Pursh Slender Blue Flag 



Rare; wet areas. Harris , McGregor and Schweinf urth 

 12701 [NEBC] . 



I. pseudacorus L. Yellow Iris 



Occasional; escaped cultivation, occurs in ditches along 

 road at southern end of island. MJM 1018 . 



I^. versicolor L. Blue Flag 



Common; marshes, wet meadows, and in ditches along road 

 through Refuge. MJM 299f 310, 1142 . 



SISYRINCHIUM L. 



S. montanum Greene Blue-eyed Grass 



Occasional; fields and roadsides. MJM 1115 . 



ORCHIDACEAE (Orchid Family) 



CALOPOGON R. Br. 



C. tuberosus (L.) BSP. Swamp Pink 



(= C. pulchellus (Salisb.) R. Brown in Fernald, 1950.) 



Rare; in damp places among dune. Single collection 

 1875. Robinson and Sears s.n. , Sept. 1875 [PM] . 

 Presumed extirpated. (Taxonomy follows Voss, 1966.) 



EPIPACTIS Sw. 



E. helleborine (L.) Crantz Helleborine 



Rare; on rich banks of Grape Island. MJM 747 . 



