90 Rhodora 



CASTALIA. 



[April 



C. odorata (Ait.) Woodville & Wood. Ponds and still waters, 

 common. 



NELUMBO. 



N. lutea (Willd.) Pers. W. Peabody (George Larritee, Aug. 14, 

 1913; ./. Dawson, Aug. 22, -— ); introduced, cove in Assabct River, 

 Concord (Martha Bartiett, September, 1886; W. Deane, July 23, 

 1893); a large colony of it well established in a small pond near the 

 railway in Lynnfield Center (,/. Richard hunt, Aug. 24, 1915). 



NYMPHAEA. 



N. advena Ait. Still water, common. 



N. variegata (Engelm.) G. S. Miller. (See Rhodoka xvi. 137-141, 

 1914.) Occasional, north and west of Boston. 



N. microphylla Pers. Still water of Sudbury and Concord Rivers 

 at Sudbury, Concord and BUlerica; also at Round Pond, Wobum. 



X ? N. rubrodisca (Morong) Greene. Martin's Pond, N. Reading 

 (A. S. Pease, June 25, 1904; July 11, 1908); deep water of Concord 

 River, Concord (,/. R. Churchill, May 30, 1894). 



C H. Knowlton ) Committee on 

 Walter Deane J Local Flora. 



NOTES FROM THE WOODS HOLE LABORATORY — 1915. 



Edited by F. S. Collins. 



L PrASIOLA 9TIPITATA Suhr. 



This species was found throughout the summer. It occurred at 

 the Spindle Ledge on the surface of large boulders just above the high 

 tide line where it was washed by spray. While not widely distributed, 

 it grew luxuriantly where it was found. There is no indication from 



