1922] Flynn,—Another Plant from Nantucket 241 
D. CYLINDRICUM Grev. Scottish Cryptog. Flor. 6: 38. pl. 293. 
1827. Bridgeport (Holden, see 1, No. 1262), New Haven (a) New- 
town, Middletown (Conn, see 2, p. 65). 
D. Swarrzu Ag. Syst. Alg. 9. 1824. Bethlehem, Madison, Middle- 
town (Conn, see 2, p. 65), Morris, New Haven (a), Plymouth. 
GYMNOZYGA Ehrenb. 
G. MONILIFORMIS Ehrenb. Berlin Monatz. 212. 1840. Bethlehem, 
Killingworth, Middlebury, Middletown (Conn, see 2, p. 65), Monroe 
(a), Newtown. 
This list includes 266 species and varieties, of which 125 are new 
to Connecticut and 22 new to North America. 
DN LITERATURE CITED. 
1. Collins, F. S., Holden, L, and Setchell, W. A. Phycotheca 
Boreali-Americana. Malden, 1905-1919. 
2. Conn, H. W., & Webster, L. W. A preliminary report on the 
algae of the fresh waters of Connecticut. Conn. Geol. & Nat. 
Hist. Surv. Bull. 10. Hartford, 1908. 
3. Cushman, J. A. New England desmids of the sub-family Sac- 
codermae. Bull. Torrey Club 33: 343-351. 1906. 
4. The New England species of Closterium. Bull. 
Torrey Club 35: 109-133. 1908. 
5. Johnson, L. N. Some new and rare desmids of the United 
States,—I. Bull. Torrey Club 21: 285-291. pl. 211. 1894. 
6. Some new and rare desmids of the United States, 
—II. Bull. Torrey Club 22: 289-298. pl. 239, 240. 1895. 
7. West, W. & G.S. On some desmids of the United States. Jour. 
Linn. Soc. Bot. 33: 279-322. pl. 16-18. 1898. 
8. Wolle, F. Desmids of the United States and list of American 
pediastrums. Bethlehem, Pennsylvania, 1884. 
ANOTHER PLANT FROM NANTUCKET.—Às long ago as 1911, while in 
Nantucket, I found a grass by the sidewalk which I supposed to be 
Digitaria filiformis. Although never quite satisfied with that de- 
termination I failed, through some oversight, to send a specimen of 
this plant when forwarding many others to Mr. Bicknell while he was 
