I40 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



On rotten wood, bases of trees, stones, and the ground. 

 Summer. New Haven: Woodbridge (1879), /. A. Allen. 



New Brunswick to British Columbia, and southward to the 

 Gulf of Mexico ; Cuba ; Jamaica : Europe ; Asia. 



Ref. Limpricht, 5l^ 828. 



Claopodium (Lesq. & James) Ren. & Card. 



Claopodium pellucinerve (Mitt.) Best. 



" On an old log in a swamp." Fairfield: Darien (1903), 

 Mrs. Lowe. 



Known from but two other localities — North India and 

 Yukon Territory. 



Ref. Miss Wheeler, 80. 



Thuidium Br. & Sch. 



1. Monoicous ; plants small 2 



Dioicous; plants large, stems 6-10 cm. long 3 



2. Stem 1-2 cm. long; branches papillose T. pygmaeum 



Stem 2-4 cm. long; branches smooth T. minutulum 



3. Stem pinnately branched; plants ascending T, abietinum 



Stems mostly bipinnatelj^ branched; plants prostrate 4 



4. Stem leaves abruptly acuminate, margin plane, midrib 



percurrent; perichastial leaves not ciliate. . . .T. recognitum 

 IVfargin of stem leaves revolute. midrib vanishing below 

 the apex 5 



5. Branches densely paraphyllose; stem leaves gradually 



acuminate, coarsely papillose; pericha^tial leaves ciliate 



T. delicatulum 

 Branches with few or no paraphyllia; stem leaves minutely 

 papillose; perichsetial leaves not ciliate T. Alleni 



Thuidium pygmaeum Br. & Sch. Hypnuni pygmceum 

 Sull. 



Rocks or earth in the woods. Summer. New Haven : 

 Cheshire (1879), /. A. Allen. 



New England to Ohio ; Canada ; Asia. 



Thuidium minutulum (Hedw.) Br. & Sch. Hypmim 

 minutulum Hedw. 



At the base of trees and on rotten logs in the woods. 

 Autumn. New Haven: New Haven (1855) and Orange, 

 Eaton; Oxford, Harger; Woodbridge, Evans. 



