166 CONNECTICUT GEOL. AND NA. HIST. SURVEY. [Bull. 
Hypnum (Dill.) L. 
Hypnum Schreberi Willd. 
Dry, open woods, banks, bogs, etc. Fruit occasional, spring. 
LircHFIELD: New Milford and Salisbury, Nichols. Hart- 
ForRD: Canton, Nichols; Hartford, Mrs. Lowe. TOLLAND: 
Stafford, Nichols. Wr1npHam: Canterbury, Mrs. Hadley. 
FairFIELD: Redding, Evans. New Haven: East Haven, 
Evans; Hamden, Eaton; Meriden, Nichols; New Haven 
(1866) and Woodbridge, Eaton. MuppLesex: Killingworth, 
Nichols. NEw Lonpon: Groton, C. B. Graves. 
Arctic America, Canada, and the northern United States; 
Europe; Asia. 
Rer. Eaton, 15, 68. 
Calliergon (Sull.) Kindb. 
Plants monoicous (autoicous), sparingly branched: alar 
cells enlarged, but passing gradually into the normal 
eells-GF the leak ass 20 20h es gece sees aS hyo aa C. cordifolium 
Plants dioicous, profusely branched; alar cells inflated, 
forming a sharply defined group.............. C. giganteum 
Calliergon giganteum (Schimp.) Kindb. Hypnum gigan- 
teum Schimp. ; 
Bogs, swamps, and wet places, especially in calcareous dis- 
tricts. Fruit rare, May-June. LircHrieLtp: Salisbury, Mrs. 
Phelps. Fatrrietp: Danbury (1907), Nichols. 
Greenland to Pennsylvania and westward to the Pacific 
coast; Europe; Asia. 
Calliergon cordifolium (Hedw.) Kindb. Hypnum cordi- 
folium Hedw. . 
Swamps, marshes, and margins of pools. Fruit rare, sum- 
mer. LitcHFieELD: Salisbury, Phelps. TotLtanp: Stafford, 
Nichols. Winpuam: Windham, Nichols. New Haven: 
Hamden, Eaton; New Haven, Nichols; North Branford, J. A. 
Allen; Orange (1855), Eaton; Woodbridge, Evans. MUuIpDLE-- 
SEX: Saybrook, Eaton. 
Arctic America, Canada, and the northern United States; 
Europe ; Asia. 
Rer. Eaton, 15, 68. 
