l6o CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



Fruit rare, spring. Litchfield: Salisbury (1905), Nichols. 

 Fairfield: Sherman, Nichols. 



Arctic America, Canada, and the northern United States, 

 south to the mountains of Utah ; Europe ; Asia ; Africa. 



Rhytidiadelphus (Lindb.) Warnst. 



Stem leaves multiplicate, rough at back R. triquetrus 



Stem leaves not plicate, smooth at back R. squarrosus 



Rhytidiadelphus triquetrus (L.) Warnst. Hypnum 

 triquetrum L. Hylocomium triquetrum Br. & Sch. 



On the ground in swampy or dry woods. Fruit occasional, 

 early spring. Litchfield : Cornwall, Brewster ; Salisbury, 

 Nichols. Hartford: Plainville, Chamberlain; West Hart- 

 ford, Mm Loro/.s. Tolland: StSif^ord, Nichols. Windham: 

 Canterbury, Mrs. Hadley. Fairfield: Sherman, Nichols. 

 New Haven: East Haven (1855), Eaton; Hamden, /. A. 

 Allen; New Haven, Eaton; North Branford, Evans; Wood- 

 bridge, Eaton. New London : Griswold, C. B. Graves. 



Arctic America, Canada, and the northern Linited States ; 

 south in the east to North Carolina ; Europe ; Asia ; Africa. 



Ref. Eaton, 15, 68. 



Rhytidiadelphus squarrosus (L.) Warnst. Hypnum 

 squarrosum L. 



Meadows and wet grassy places. Fruit rare, spring. New 

 Haven: Hamden (1880), /. A. Allen. 



Arctic America, Canada, and the northern United States ; 

 Europe ; Asia ; Azores. 



Rhytidium (Sull.) Kindb. 



Rhytidium rugosum (Ehrh.) Kindb. Hypnum rugosum 

 Ehrh. 



In dry grassy places and on sunny rocks, usually calcar- 

 eous, in mountainous or hilly regions. Fruit very rare, sum- 

 mer. Litchfield: Sd.\\shnvy, Mrs. Phelps. Fairfield: Sher- 

 man, A' /c/jo/.?. New H.WEN : Meriden (1873), £a/on. 



Arctic America, Canada, and the northern United States; 

 Europe ; Asia. 



