l66 CONNECTICUT GEOL. AND NAl. HIST. SURVEY. [Bull. 



Hypnum (Dill.) L. 



Hypnum Schreberi Willd. 



Dry, open woods, banks, bogs, etc. Fruit occasional, spring. 

 Litchfield: New Milford and Salisbury, Nichols. Hart- 

 ford : Canton, Nichols; Hartford, Mrs. Loive. Tolland : 

 Stafford. Nichols. Windham : Canterbury, Mrs. Hadley. 

 Fairfield : Redding, Evans. New Haven : East Haven, 

 Evans; Hamden, Eaton; Meriden, Nichols; New Haven 

 (1866) and Woodbridge, Eaton. Middlesex: Killingworth, 

 Nichols. New London : Groton, C. B. Graves. 



Arctic America, Canada, and the northern United States ; 

 Europe ; Asia. 



Ref. Eaton, 15, 68. 



Calliergon (Sull.) Kindb. 



Plants monoicius (autoicous), sparingly branched; alar 

 cells enlarged, but passing gradually into the normal 

 cells of the leaf 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. Litchfield: Salisbury, Mrs. 

 Phelps. Fairfield: Danbury (igoy), 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. Litchfield: Salisbury, Phelps. Tolland: Stafford, 

 Nichols. Windham : Windham, Nichols. New Haven : 

 Hamden, Eaton; New Haven, Nichols; North Branford, /. A. 

 Allen; Orange (1855), Eaton; Woodbridge, Evans. Middle- 

 sex : Saybrook, Eaton. 



Arctic America, Canada, and the northern United States; 

 Europe ; Asia. 



Ref. Eaton, 15, 68. 



