Ui/pnum.] BRYACE^. 393 



without radicles, pinnately ramulose : leaves soft, crowded, 

 falcate-secund or subcircinnate, broadly ovate-concave at base, 

 narrowly lanceolate, long-acuminate, very entire, ecostate or 

 nearly so ; cells very long and narrow, subflexuous, obtuse at 

 both ends, broader and quadrangular at the excavate angles, 

 yellow like the basilar ones : male flowers on separate plants 

 similar to tlie fertile ones, occasionally in leafy radiculose gem- 

 mules in the axils of fertile ])lants; inner perichtetial leaves 

 long, broadly-ovate, half sheathing at base, slightly sulcate, 

 narrowed to a straight filiform point, ecostate : capsule oblong, 

 dark red, slightly inclined or cernuous upon a flexuous reddish 

 pedicel ; operculum large, highly convex, sharply apiculate, 

 orange-colored ; ])eristome perfect ; cilia three, as long as the 

 segments; annulus very large. — Bryol. Univ. ii. 031; Bryol. 

 Eur. t. 59G. IL hcmmlosum, Wils. Bryol. Brit. 390, t. 58. 

 Stereodon callichrous^ Brid. 1. c. 

 Hab. Shelburne, ISTova Scotia (James). 



155. H. imponens, Iledw. Tufts flat, yellowish green : 

 leaves imbiicate, two-ranked on the lower side, cii'cinnate-secund, 

 loricate-filiform from a broadly ovate-oblong base; borders 

 reflexed below, minutely and distantly serrulate all around or 

 subentire, orange at base, minutely auriculate at the angles ; 

 costa obsolete, double or none ; cells very narrow, linear, sub- 

 flexuous, enlarged quadrate at the basilar angles ; branch-leaves 

 much narrower, hooked and convolute at the apex of the 

 branches ; paraphyllia large, palmate or lanceolate ; pericha^tial 

 leaves gradually narrowed to a long filiform flexuous serrulate 

 point, ecostate: capsule long-pedicellate, suberect or slightly 

 •incurved, cylindrical, pale brown, darker with age ; operculum 

 convex, obliquely long-apiculate or subrostellate, orange at the 

 apex ; cilia single, appendiculate and punctulate, as long as the 

 slightly cleft segments; annulus large, compound, adherent. — 

 Spec. Muse. 290, t. 77 ; Bryol. Eur. t. 597. Stereodon iwjyonens, 

 Brid. 1. c. 018. 



Hab. Woods, on decayed trunks and shaded roots of trees; common. 



150. H. subimponens, Lesq. Similar to the last in aspect, 

 mode of growth, color, etc., but differing in its few dichotomous 

 branches, the leaves narrower, glossy, lanceolate, shorter-acu- 

 minate from a slightly enlarged base, entire or very slightly ser- 

 rulate at the apex, ecostate, the cells narrower, those of the 



