12 BicKNELL : Ferns and flowering plants of Nantucket 



SiSYRiNCHiUM arenicola Bickhell. 



One of the characteristic Nantucket plants, occurrmg in dry 

 sandy places all over the island. In full flower June J ; belated 

 flowers as late as Sept. 20, 1907. 



ORCHIDACEAE 

 Cyprifedium acaule Ait. 



Local, mostly within the southern half of the island from Hum- 

 mock Pond to 'Sconset; pine grove east of Hummock Pond; 

 east of Miacomet Pond; South Pasture; oak barrens in southeast 

 quarter ; borders of Tom Never's Swamp, Some fresh flowers in 

 the shade of pines as late as June 17. 



Gymnadeniopsis clavellata (Michx.) Rydb. 



A close group of eleven well-fruited plants in open low ground 

 near the head of Long Pond, Sept. lo, 1904; a scattered colony 

 in wet sphagnum on the south side of Sachacha Pond, Sept. 19, 

 1907. Recorded from Long Pond by Mrs. Owen. 



Blephariglottis Blephariglottis (Willd.) Rydb. 



Common in sandy bogs: Tom Ncver's Swamp; 'Sconset ; 

 Polpis Bogs; Pout Ponds; Watt's Run. Some flowers left Aug. 

 16, 1906; a belated raceme of flowers Aug. 31, 1904; mature 

 fruit Sept. 15, 1907. Mrs. Owen has recorded var. holopetala 

 Gray from " Near edge of swamp opposite Bloomingdale." 



Blephariglottis ciliaris (L.) Rydb. 



Mrs. Owen has recorded a single plant found in 1872 between 

 Siasconset and Polpis. 



Blephariglottis lacera (Michx.) Rydb. 



Frequent or rather common, occurring at widely separated 

 points, but rarely more than a few plants in each locality. Some 



A 



Ker 



Abundant in open bogs. Small, precocious flowers in a dry- 

 bog June II ; generally coming into bloom Tune 18; some 



A 



LlMODORUM TUBEROSUM L. 



Common in bogs. Green flower buds June 18. 



