284 HANDBOOK OP BRITISH MOSSES. 



96. DICHODONTIUM, Schimp. 



Veil large, cucullate ; ring none ; sporangium roundish, on 

 a flexuous fruitstalk, without any apophysis ; peristome large, 

 of sixteen teeth, bi-trifid ; articulations crowded, prominent 

 within; leaf-cells papillose on either side, very small above, 

 and quadrate, those of the margin quadrate, of the base rec- 

 tangular, all chlorophyllous. 



1 . D. pellucidum, Schimp. ; stem flexuous, slightly branched; 

 leaves squamose, linear-lanceolate from a somewhat sheathing 

 oblong base; margin plane; nerve narrow, serrate or crenu- 

 late above and on the back ; sporangium ovate, subcernuous ; 

 lid rostrate. Hook, fy Wils. t. xvii. ; Eng. Bot. 1. 1346, 2263. ; 

 (Moug. Nest. n. 122.) 



On moist stones, or on the ground near rivulets. Bearing 

 fruit late in autumn. 



Dioicous; forming bright green patches. Leaves crisped 

 when dry ; sporangium roundish or ovate. Varies as to the 

 shape of the sporangium, thickness of the beak, serrature and 

 length of the leaves, and length of the -branches. The struc- 

 ture of the leaves is very different from that of Dicranum 

 proper. 



97. CYNODONTIUM, Br. $ Schimp. 



Sporangium oblique or symmetrical ; veil rather large cu- 

 cullate ; ring simple ; peristome single, often irregular, of six- 

 teen lanceolate teeth dilated at the base and often deeply 

 cloven, free or connected by bars; leaf-cells above minute, 

 chlorophyllous, quadrate, hexagono-oblong below and pellucid. 



a. Teeth very irregular, articulations without regular strive. 

 1. C. Bruntoni, Br. fy Schimp.; csespitose or pulvinate ; 

 leaves linear-lanceolate, keeled, concave; margin recurved, 



