9 



descriptions in the work above quoted. That author suspects 

 that the Bartramia gigaiitea of Schwacgrichcn s SuppL v. ii. 

 /. 63- iiiciy belong to the same genus as the present; but as 

 the fruit of that plant Is unknown^ this point cannot at pre- 

 sent be determined. 



The character of this genus^ as its name implies^ is de- 

 pendent upon the spirally involute nature of the teeth of the 

 peristome^ as seen when dry ; in this particular bearing much 

 affinity with the Tayloria splachnoides . In other respects 

 the essential characters are scarcely different from those of 

 Hypnuniy from which however it may be distinguished by its 

 habit ; and in that it is more nearly allied to the Bartrami(D. 



■ k 



^ 



-\ 



\. 



-■IL 



'j 



4 



r 



I 



I 



Fig. 1. Plant {nat. size). Fig. 2. Leaf. Fig. 3. Pericha}tium and cap- 

 sule, with its calyptra. Fig^ 4, Operculum. Fig. 5. Peristome. 

 Fig. 6. Teeth of the outer; and Fig. 7. Teeth of tlje hmer peri- 

 stome. Fig* 8. Portion of the columella with the spongy extre- 



mity which filled the oj>erculum. Fig. 9. Seeds: 

 mag7iiji€d. 



more or 



less 



■V *r 



> 



m 



