30 



Morns rubra L. — Was listed previously as probably introduced ; but now found 



to be a native on Gardiner's Island. 

 Boehmeria Drummondiana Weddell — Laurel. Sept. 10, 19 17. No. 1280. 

 Persicaria opelousiana (Riddell) Small — Swampy woods at Greenport. Aug. 



28, 1920. No. 3386. 

 P. orientalis (L.) Spach. — Occasional in waste grounds and cultivated fields at 



Greenport and Orient. 

 Polygonum atlanticum (Robins.) Bickn. — Large bushy plants on sea beaches at 



Orient. Aug. 20, 1920. No. 3396. 

 Rume.v me.vicanus Meisn. — Orient. June 1916. Specimens previously reported 



as Rume.v pallidas Bigel. should probably be referred here. 

 Acnida cannabina L. — Salt marshes at Laurel. Sept. 14, 1918. No. 1313. 



Specimens previously reported as Acnida tubercnlata Moq. should probably 



be referred here. 

 Chenopodium Botrys L. — Southold (.Mrs. F. R. Mitchell) ; determined by Mr. 



Taylor. 

 C. rubrum L. — Beach at Southold (Mrs. Mitchell) ; determined by Mr. Taylor. 

 Allionia nyctaginea Mx. — The subspecies Allionia nyctaginea ovata (Pursh) 



Morong. Moist waste ground at Laurel. Sept. 14, 1918. No. 1318. 

 Cerastium arvense L. — Fields at Southold (Mrs. Mitchell). 

 Silene stellata (L.) Ait. — Moist woods at Southold. Oct. 19, 1919. No. 4071. 

 Magnolia tripetala L. — A single tree twenty feet high with trunk diameter of 



five inches, at the edge of wet woods at Southold. The origin is uncertain, 



but introduced. Reported to Mr. Latham by Mrs. Mitchell. Oct. 16, 1919. 



No. 2148. 

 Cardamine hirsuta L. — Old lawn at Southold (Mrs. Mitchell). 

 Draba caroliniana Walt.- — Sandy soil at western end of Long Beach at Orient. 



Rare. 23 May-early June, 1920. 

 Sarracenia purpurea L. — A single plant from a bog near Mattituck. 

 Agrimonia Bicknellii (Kearney) Rydb. — Rare in dry woods at Southold (Fer- 

 guson & Latham) ; determined by Dr. Rydberg. 

 A. r.ostellata Wallr. — Uncommon in dry woodlands at Southold. Oct. 10, 1919. 



No. 2120. 

 Potentilla recta L.- — -Dry roadsides at East Marion. Rare. June 20, 1920. 



No. 353.1. 

 Amelanchier oblongifolia (T. & G.) Roem. — Not uncommon in dry woods at 



Cutchogue ; determined by Dr. K. M. Wiegand. No. 3407. 

 Crataegus Arnoldiana Sarg. — Gardiner's Island, frequent at margins of woods 



in dry or wet soil; determined by Mr. W. W. Eggleston. A thick foliaged, 



beautiful, round-topped tree about twenty feet high. 

 Crataegus intricata Lange. — Gardiner's Island ; determined by Mr. W. W. 



Eggleston. 

 Crataegus intricata Lange. — Gardiner's Island; determined by Mr. W. W 



Eggleston. 

 Chamaecrista nictitans (L.) Moench. — Bay View and Southold, locally com- 

 mon. Sept. 1920. No. 3403. 

 Crotalaria sagittalis L. — Common on a dry sandy ridge at Southold. Aug. 28, 



1920. No. 3385. 



