210 Rhodora [NOVEMBER 
S. sPONGIOSUM Bréb. Bolton. 
S. TETRACERUM (Kütz.) Ralfs. Montville, Plainfield, Salem. 
S. TUMIDUM Bréb. Ashford, Voluntown. 
SPHAEROZOSMA Corda. 
*S. EXCAVATUM Var. SUBQUADRATUM W. & G. S. West. Waterbury. 
ONYCHONEMA Wallich. 
O. FILIFORME (Ehrenb.) Roy & Biss. Bolton, Union. 
O. rAEvE Nordst. Bolton, Plainfield, Woodstock. 
SPONDYLOSIUM Bréb. 
S. PAPILLOSUM W. & G. S. West. Lebanon, Lisbon, Plainville, 
Plainfield, Somers, Southbury, Waterbury, Wallingford, Windham. 
S. PYGMAEUM (Cooke) West. Ashford, Bolton, Eastford, Plain- 
field, Salem, Woodstock. 
HYALOTHECA Ehrenb. 
H. pissrLIENS (Smith) Bréb. Ansonia, Andover, Bolton, Coventry, 
East Haddam, Glastonbury, Griswold, Lisbon, Ledyard, New 
Britain, Old Lyme, Preston, Plainfield, Voluntown, Windham. 
*H. mucosa (Mert.) Ehrenb. Windham. 
DESMIDIUM Ag. 
D. aproconum Bréb. Bolton, Ledyard. 
D. BAILEYI (Ralfs) Wolle. Ledyard, Lisbon, Plainfield, Somers, 
Tolland. 
D. CYLINDRICUM Grev. Ellington, Preston, Windham. 
D. Swartz Ag. Bolton, Ellington, Canterbury, Lebanon, Lisbon. 
Old Lyme, Preston, Plainfield, Tolland, Voluntown, Wallingford. 
OSBORN BOTANICAL LABORATORY, Yale University. 
