120 

 Pteridophyta 



POLYPODIACEAE 



Dryopteris hexagonoptera (Mx.) C. Chr. — Moist woods, Gardiner's Island. 



Lycopodiaceae 

 Lycopodium adpressum (Chapm.) Lloyd & Undervv. — Orient in a brackish meadow; 

 the first club-moss found at Orient. No Lycopodiums have been found on 

 Gardiner's Island. 



ANGIOSPERMAE 



MONOCO T YLEDONES 



Zannichelliaceae 

 Potamogelon diversifoliiis Raf. — In the lake on Horton Point. 

 Zannichellia palustris L. — Shallow brackish stream, Gardiner's Island. 



Gramineae 

 Agrostis alba L. — The var. aristala Gray, collected by Mr. Frank Dobbin in woods 



at Greenport; determined by Mrs. Agnes Chase. 

 Andropogon virginicus L. — Moist sandy soil, Southold; determined by Mrs. Chase. 

 Elymus halophilus Bicknell — Salt marshes. The very light glaucous green plants 



grow in tufts: and are never as tall as the other wild ryes. 

 E. striatus Willd. — Rocky woods, Gardiner's Island; determined by Mr. Dobbin. 

 Lolium multiflorum Lam. — Waste and cultivated grounds, rare at Orient; deter- 

 mined by Mrs. Chase. 

 Panicum flexile (Gattinger) Scribn. — Dry sandy soil, Southold; determined by Mrs. 



Chase. 

 P. Lindhehneri Nash — Dry ground, Mattituck; determined by Mrs. Chase. 

 P. virgatum L. — The var. cubense Griseb., collected by Mr. Dobbin at Orient; 



determined by Mrs. Chase. 

 P asp alum pubescens Muhl. — Dry pastures and cultivated fields; determined by 



Mrs. Chase. 

 Syntherisma sanguinalis (L.) Dulac — Common in cultivated fields and waste places; 



often known by the name of "Flat-grass." 



Cyperaceae 



Car ex debilis Mx. — Greenport, the host of Puccinia Grossulariae. 



C. laxiflora Lam. — Woodlands. 



Cy per us Grayii Torr. — -Abundant on the sands at Horton Point; also in sandy 

 woods at Mattituck. "Orient Point": in the State Herbarium are two speci- 

 mens collected on Long Island many years ago. "New Jersey is usually given 

 as the northern range of this species." N. Y. State Mus. Bull. 176: 44. 1915. 



C. Houghtoni Torr. — The specimens, previously reported from Orient, are probably 

 referable to Cyperus Grayii Torr. 



Orchidaceae 



Blephari glottis psycodes (L.) Rydb. — Rich woods, Gardiner's Island; determined 

 by Mr. Dobbin. 



