148 HANDBOOK OF BRITISH MOSSES. 



or a short double nerve ; margin recurved ; leaf-cells trans- 

 parent; fruitstalk not an inch long, reddish; sporangium 

 oblong ; lid obliquely rostrate. 



The genus differs from Pterogonium in the less dendroid 

 habit, in the leaves being papillose, and their cells approaching 

 nearer to those of Hypnum. 



2. Leaf-cells, at least those of the margin, roundish or elliptic, with 



thick walls. 



24. ANTITRICHIA, Brid. 



Sporangium oval, symmetrical, on a short curved stalk ; peri- 

 stome double ; outer of sixteen teeth ; inner of sixteen delicate 

 filiform processes alternating with those of the outer peristome, 

 united at the base by a narrow membrane, more or less ad- 

 herent ; leaf-cells on the margin elliptic, those of the disk a n 

 base narrow. 



1. A. curtipendula, Brid. Hook, ty Wils. t. xxii. ; Eng. 

 Bot. t. 1444. ; (Plate 13, fig. 4) ; Moug. $ Nest. n. 47. 



On rocks and trees. Principally in mountainous countries. 

 Bearing fruit in spring. 



Dioicous. Stem several inches long, straggling, procumbent ; 

 branches yellowish-green, simple or subpinnate; branch! ets 

 often elongated, curved and flagelliform ; leaves ovate, attenu- 

 ated at the tip into a hair-like serrated point, the apex of 

 which is bifid or trifid; nerve slender, reaching above the 

 middle, sometimes forked or trifid ; cells at the margin and 

 towards the tip elliptic, elongated and narrow on the disk 

 and at the base ; fruitstalk shortly curved above, so as to make 

 the sporangium pendulous ; lid obliquely rostrate ; peristome 

 pale ; spores large, yellowish. 



There is a variety with shorter, straight fruitstalks, a 



