VERMONT MOSSES. 



29 



27.— Capsule long-cylindric, sub-erect or slightly incurved. imponens. 



Capsule ovate, cbloiig or obovate, inclined or arcuate. molluscum. 



28.— Stem leaves plicate ; plants large (to 15 cm.). Crista-castrensis. 



Plants small (to 5 cm.) ; stem leaves not plicate. fertile. 



29.— Leaves entire. pratense. 



Leaves serrulate or denticulate above. 30- 



30. Costa double, reaching middle of leaf. reptile. 



Costa double, short. cupressiforme. 



H. aduncum Iledw. Swampy ground brooks. Shelburne and Charlotte, 

 P.; Brattleboro, Fr.; Willoughby Lake, F. 



H. aduncum gracilescens Br. & Scli. Wet meadow near Willoughby 



Lake, F. 

 H. commutatum Hedw. Base of southern part of Willoughby Cliff, -F. 



H. cordifolium Hedw. New Haven, F.; Monkton, Richford and Starks- 

 boro. P.; Sutton and Willoughby Lake, F.; Brattleboro, Fr. 



H. crista-castrensis L. On soil and decaying logs, in cool, moist woods; 

 common in mountainous regions. 



H cupressiforme L. Brattleboro, Fr. 



H. curvifolium Hedw. Decaying log near Lye Brook, Manchester, G.; 

 Brattleboro, Fr. Distinguished from H. imponens by its stouter 

 cernuous costate capsule. The Manchester specimens are rather 

 more slender than is usual with this species. 



H. cuspidatum L. Marshy places. Brattleboro. Fr. 



H. eugyrium Br. & Sch. Rocks near streams, Brattleboro, Fr.; mill 

 stream below Mountain House, Jay Peak, F.; Smuggler's Notch, 

 Dr. Kennedy. 



H. fertile Sendt. Although often reported I have not yet seen any true 



//. fertile from Vermont. 

 H. filicinum L. Wet places. Williamstown Gulf, F.; Brattleboro, Fr.; 



Porter's Swamp, Colchester. G. 



H. fluitans L. Bogs, summit of Mt. Mansfield, F. , G. 



H. Haldanianum Grev. Common everywhere; in moist woods on de- 

 caying logs; easily recognized by its large cylindric capsules and 

 inflated alar cells. 



H. imponens Hedw. Decaying logs, stumps, etc., in moist woods. Monk- 

 ton, P.; Peacham, Bl.; Brattleboro, Manchester, G.; Burlington, 

 Fr. Easily distinguished by its regularly pinnate branching, fal- 

 catesecund leaves and cylindric, nearly erect capsule. 



