210 HANDBOOK OF BRITISH MOSSES. 



In moist woods and turbaries. Bearing fruit in early 

 summer. 



Forming dense tufts, varying from 2 inches to a foot or 

 more in length. Perichsetial leaves distinct; lamellffi cover- 

 ing almost the whole disk of the leaves ; hairs of veil much 

 longer than the sporangium. 



Used for making hassocks. A short variety grows in dry 

 spots. 



62. POGONATUM, P. Beauv. 



Dioicous. Sporangium oval or oblong, not angular; veil 

 densely hairy ; spore-sac in general attached to the walls of 

 the sporangium; columella four- winged, or clothed with a 

 plicate sporangial membrane ; teeth thirty-two, united above 

 to a tympanoid membrane ; leaves densely lamellate. 



1 . P. nanum, Brid. ; stem very short ; leaves spreading, 

 lanceolate from a sheathing base, minutely toothed at the 

 apex ; sporangium ovato-globose, solid, constricted when dry 

 below the expanded mouth ; columella even. — Hook. §• Wils. 

 t. xi.; Eng. Bot. t. 1624, 1625.; (Plate 19, fig. 1) ; Moug. 8f 

 Nest. n. 130. 



On heaths, sandy or loamy banks, etc. Bearing fruit in 

 winter or very early spring. 



Forming loose patches. Stems simple, without innovations ; 

 leaves rather obtuse, olive, at length reddish, erect when dry ; 

 fruitstalk more or less flexuous ; lid broad, convex, with a short 

 beak ; columella without any waved covering ; sporangium 

 varying in outline ; veil at first nearly white, at length tawny, 

 shorter than the sporangium ; teeth rather long. 



2. P. aloides, Brid. ; stem short, at length innovated ; 

 leaves elongated, lanceolate from a sheathing base, toothed ; 

 sporangium soft, oblong ; columella winged ; lid conical acu- 



