174 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Litchfield: Salisbury, Nichols. Hartford: Canton, 

 Nichols; Southington, Chamberlain; West Hartford, Miss 

 Lorens. Tolland: Bolton and Stafford, Nichols. Wind- 

 ham : Canterbury, Mrs. Hadley. Fairfield : Danbury, 

 Nichols; Darien, Mrs. Lowe; Huntington and Sherman, 

 Nichols. New Haven: East Haven (1855), Eaton; Haniden, 

 Harger; Madison, Nichols; New Haven, Eaton; Orange, 

 Evans; Woodbridge, Eaton. New London : North Stoning- 

 ton and Waterford, C. B. Graves. 



Throughout temperate North America ; Europe ; Asia. 



Ref. Collins, 14, 131. Eaton, 15, 64. Miss Lorenz, 53, 

 46, 47. 



Pogonatum Beau v. 



Pogonatum tenue (Menz.) E. G. Britton. P. hrevicaide 

 (Brid.) Beauv. P. pennsylvanicmn (Hedw.) Par. 



Clay banks and roadsides in open woods. Autumn. 

 Litchfield: Salisbury, Mrs. Phelps. Hartford: Canton, 

 Nichols; Hartford, Mrs. Lowe; West Hartford, Miss Lorenz. 

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

 Hadley. Fairfield: Danbury, Nichols; Darien, Mrs. Lowe. 

 New Haven : Beacon Falls and Cheshire, Nichols; Hamden, 

 /. A. Allen; New Haven (1866), and Orange, Eaton; Oxford, 

 Harger; Woodbridge, Eaton. Middlesex : Killingworth, 

 Nichols. New London : Ledyard, Nichols; Waterford, C. B. 

 Graves. 



Nova Scotia to Alabama, and west to Missouri. 



Exsic. Holzinger, Musci Aero. Bor.-Amer. No. 123 (as 

 P. pennsylvanicum) . 



Ref. Collins, 14, 131, Eaton, 15, 64. Mrs. Lowe, 59. 



Polytrichum (Dill.) L. 



Epidermis of capsule with a large pit in the outer wall 

 of each cell, neck distinctly marked off by a con- 

 striction; capsule little longer than broad 3 



Epidermis of capsule not pitted, neck indistinctly defined; 

 capsule much longer than broad 2 



Capsule cylindrical P. alpinum 



Capsule prismatic P. ohioense 



