74 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Specimens examined—Continued. 
Dried—Continued. 
Massacuusetts: Holyoke, 1883, G. R. Lumsden; Concord River, Concord, 1886, 
H. 8S. Richardson (N. E.); Northampton, 1871, Jesup. 
Connecticut: Milford Pond, in river meadow, 1895, Eames; Derby, Oakes (Phila.); 
North Haven, 1899, C. H. Bissell 335 (N. Y.); Reynolds Bridge, 1898, E. B. 
Harger (N. E.) 
New York: Troy, Dr. W. E. A. Atkin (Phila.); near Niagara, Doctor Eddy (C.); 
Raquette Lake, 1896 (C.); Penn Yan, Sartwell (Gray); Albany Lake, 1879, 
Ward; Gray, Herkimer County, 1901, House; McDonough, 1884, A. L. Coville. 
- 
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Fig. 4.—Map showing distribution of (a) Nymphaea microcarpa; (b) N. orbiculata; (c) N. microphylla. 
PENNSYLVANIA: Colliers Ferry, Lancaster County, 1863, Porter (Gray); Toby- 
hanna Creek, Pocono Mountains, 1858, T'raill Green (Gray); Naomi Pines, 
Monroe County, 1893, Dr. & Mrs. Britton; Monroe County, Traill Green, 
Silver Lake, Pike County, 1899, Stewardson Brown (Phila.); Bristol, 1865, 
C. F. Parker (Phila.); Philadelphia, Nuttall (Phila.); head of Naomi Pines 
Lake, 1904, Harshberger (Mo.). 
New Jersey: Closter, 1860, Austin (C.); Pompton Lake, Pompton, 1892, Morong 
(C.). 
This, the smallest of our Nymphaeas, is the American representative of the Palearctic 
N. pumila. Indeed it has often been considered identical with that species. The 
