520 



ADDITIONS. 



Calypso. 



J. Calypso borealis. 



Salisb. I. c. ; Hook. exot. fl. t.\2, in hot. mag. t. 2763 ; Pursh, fl. 2. p. 593 ; Hook, 

 ft. Bor.-Am. 2. p. 195. C. Americana, R. Br. I. c. ; Nutt. gen. 2. p. 195. C. bulbosa, 

 Oakes in cat. Vermont pi. p. 28. Cypripedium bulbosum, Linn. 



Bulb fleshy, about the size of a small marble. Leaf an inch or more in length, roundish 

 ovate, smooth, plicate : petiole about the length of the lamina. Scape 3-5 inches long, 

 furnished with two or three leafless sheaths. Flower terminal, about an inch long, variegated 

 yellow and purplish. 



Sphagnous swamps and wet shady woods, near Brownville, Jefferson county {Dr. W. A. 

 Wood) ; Lowville, Lewis county {Mr. F. B. Hough). This rare and singular plant has not 

 been found elsewhere in the United States, except in Vermont, where it was detected several 

 years ago by Mr. John Carey. It occurs in various parts of British America, and is also a 

 native of Northern Europe, as well as of Asia. 



Vol. II., p. 350 ; after Eleocharis tenuis, add : 



Eleocharis melanocarpa, Torr. Black-fruited Eleocharis. 



Culm compressed, sulcate ; spike oblong or cylindrical-oblong ; scales ovate, obtuse, 

 membranaceous ; bristles 3-4, mostly as long as the nut, slender ; achenium somewhat 

 turbinate, obtusely triangular (blackish), smooth; style 3-cleft ; tubercle broad, triangular, 

 with a short acumination. — Torr. Cyp. I. c. p. 311. 



Culms 12 - 18 inches high, tough, sulcate. Spike 4-6 lines long, thick, mostly obtuse, 

 many-flowered. Scales light brown, with a scarious margin ; the lowest ones broader and 

 usually abortive. Bristles very slender, purplish, sometimes very short. Stamens 3. Style 

 cleft about halfway down. Achenium half a line long, thick, brownish black and shining. 

 Tubercle broad at the base ; the margin thickened and projecting a little over the top of the 

 nut ; the centre produced into a short triangular point. 



Borders of sandy swamps, Suffolk county, Long Island {Dr. Knieskern). The specimens 

 collected by Dr. Knieskern were immature, but I think they belong to this species. 



