31 



Potamogelon hyhridus Sheld. — In a poiirl at Soiithold; (IctonnirK-d at Bureau of 

 Plant Industry. 



Fesluca Shortii Kunth — The specimen reported in the Thirrl Sui)plementary 

 list from wet woods at Mattituck; should be referred to Fesluca 

 nutans Spreng. 



Glycerin canadensis (Mx.) Trin. — Swamp at Mattituck; determined by Mrs. 

 Agnes Cha^e. 



Panicimi mallamuskcelense Ashe— Laurel; determined by Mrs. Chase. 



Panicum Wrightianum Scribn. — Southold, the host of PhyUachora puncla. 

 N. Y. State Mus. Bull. 243-244: 92. Issued May 15, 1923. 



Selaria lutescens (Weigel) Hubbard — Sandy field at Laurel; determined by 

 Mrs. Chase. 



Carex Iloivei Mackenzie — Greenport in low wet woods; determined at X. Y. 

 Botanical Garden. 



Carex retroflcxa Muhl. — Gardiner's Island in dry woods; determined at N. Y. 

 Botanical Garden. 



Xyris caroliniana Walt. — Sandy swamp at Laurel, August 17, 1923. 



Spiranlhes vernalis Engelm. & Gray — Peconic in low grassy fields; determined 

 at N. Y. Botanical Garden. 



Jnglans nigra L.— One large tree in woods at Mattituck. 



Chcnopodiiim niurale L. — Orient in waste ground; determined at N. Y. Botan- 

 ical Garden. 



Amaranihns caiidatus L. — Occasional as a weed in cultivated and waste grounds 

 at Orient; determined at N. Y. Botanical Garden. 



Spergnlaria canadensis (Pers.) Don — "Alsine canadensis (Pers.) House; (Are- 

 naria canadensis Pers. ; Spergnlaria borealis Robinson) — A species 

 * of the northern shores of eastern America, which appears to 



reach its southern limit of distribution on Shelter Island, op- 

 posite Greenport, where collected by Dr. C. H. Peck in 1871 

 (State Herbarium)." N. Y. State Mus. Bull. 243-244: 57. 

 Issued May 15, 1923. 



Nymphozanthus advena (Ait.) Fernald — Swamp at Laurel, August 16, 1923. 



Ranunculus laxicaulis (T. & G.) Darby — Mattituck in a swamp, September i, 

 1923. 



Arahis lyrata L. — Cultivated fields at Orient; determined at Bureau of Plant 

 Industry. 



Potentilla recta L. — -Sandy fields at Laurel, July 16, 1923: and Orient, June 20, 

 1923. 



Linuni medium (Planch.) Britton — Dry woods at Southold; determined at 

 Bureau of Plant Industry. 



Myriophyllum tenellum Bigel. — Sandy shore of a large pond at Southold, 

 August 20, 1923. 



Cornus Amoinum L. — "Border of swamp near Orient. Roy Latham, Sep- 

 tember 2." N. Y. State Mus. Bull. 243-244: 57. Issued May 



15. 1923- 

 Nymphoides lacunosum (Vent.) Fernald — In a pond at Southold, August 20, 



1923. 

 Echium viugare L. — Laurel in old pastures; determined at X. Y. Botanical 



Garden. 



