1922] Hylander,—The Desmids of Connecticut 217 
C. Brauni Reinsch, Algenfl. Frank. 196. pl. 12, f. 5. 1807. 
Bridgeport (Johnson, 6, p. 291, as C. maculatum; see also 4, p. 130), 
Middletown (Conn, see 2, p. 61, as C. areolatum). 
C. Bresissonut Delp. Mem. R. Accad. Sci. Torino II. 30: 111. pl. 
18, f. 20, 21. 1876. Middletown (Conn, see 2, p. 61). 
**C. CERATIUM Perty. Litchfield (a). : 
*C. cornu Ehrenb. Hamden (a), Branford (a), Hamden 
(Carter & Evans), Middlebury, Plymouth, West Haven (a). 
C. costatum Corda. Hamden (b), Middletown (Conn, see 2, p. 60), 
Morris. 
C. Cucumis Ehrenb. Phys. Abh. Preuss. Ak. Wiss. Berlin 1843: 
pl. 4, f. 29. 1843. Middletown (Conn, see 2, p. 60), Orange. 
*C. CvvrHIA DeNot. Hamden (b), Killingworth, Middlebury, 
Monroe (b), Orange, Southington, Suffield. 
C. DECORUM Bréb. Bridgeport and Easton (Johnson, see 7, p. 283, 
and also 4, p. 132), Middletown (Conn, see 2, p. 61), New Haven (b), 
Suffield, Washington. 
1C. DErPowTE: Klebs, Schrift. Physik.-Oekonom. Gesell. Königs- 
berg 5: 22. 1879. Bridgeport and Easton (Johnson, see 7, p. 283), 
Middletown (Conn, see 2, p. 60). 
C. DiANAE Ehrenb. Bethany, Bethlehem, Branford, Hamden (b), 
Killingworth, Madison, Middlebury, Middletown (Conn, see 2, p. 61), 
Newtown, New Haven (b), North Branford (b), Orange, Suffield. 
C. nipyuoTOCUM Corda. Bridgeport (Johnson, 5, p. 286), Hamden 
(a), Newtown. 
**C. DILATATUM West, Trans. Linn. Soc. Bot. II. 5: 237. pl. 13, 
f. 20-22. 1896. Hamden (b), Morris, North Branford (b). 
*C. EnnENBERGII Menegh. Bethlehem, Litchfield (b), Middle- 
bury, New Haven (b), North Branford (b), Orange, Suffield. 
1C. EHRENBERGII var. IMMANE Wolle, Desm. U. S. 48. pl. 8, f. 17. 
1884. Bridgeport (Setchell & Holden, see 1, No. 1017). 
SC. incurvuM Bréb. Hamden (b), Middlebury, West Haven (a). 
SC. INTERMEDIUM Ralfs.: Hamden (b), Madison, Middlebury, 
Newtown, Orange, Thomaston. 
. C. Jennert Ralfs. Guilford, Hamden (b), Middlebury, Middle- 
town (Conn, see 2, p. 61), Newtown, Orange. 
**C. JENNERI var. ROBUSTUM G. S. West. Morris. 
*tC. Jonnsontt West & G. S. West, Jour. Linn. Soc. Bot. 33: 284. 
pl. 16, f. 1, 2. 1898. Guilford. 
*C. yuNcIDUM Ralfs. Bethlehem, Madison, North Branford (b). 
