LIST OF PLATES. XV 



TefrapJds Browniana. — Fig. 1, plants, nat. size ; 2, ditto, mag- 

 nified ; 3, 4, leaves of stem and perichtetium ; 5, mature cap- 

 sule ; 6, peristome. 



TetrapMs pellucida. — Fig. 1, plants, nat. size; 2, 3, leaves, mag- 

 nified ; 4, calyptra ; 5, capsule ; 6, lid. 



Plate XVII. 



Timmia MegapoUiana. — Fig. 1, plants, fertile and bai-ren, nat. 

 size ; 2 and 3, leaf, magnified ; 4, capsule, magnified ; 5, por- 

 tion of outer and inner peristome. 



Tortula rigida. — Fig. 1, plants, nat. size ; 2 and 2 h, leaves, mag- 

 nified ; 3, mature capside, magnified. 



Tortida suhidata. — Fig. 1, plants, nat. size; 2, leaf, magnified; 

 3, calyptra ; 4, capsule ; 5, spiral peristome. 



Plate XVIII. 



Trichostomum lanuginosum. — Fig. 1, plant, nat. size ; 2, leaf, 

 magnified ; 3, mature capsule, magnified ; 4, peristome, mag- 

 nified. 



Trichostomum polypliiiJlum. — Fig. 1, plants, nat. size; 2, leaf, 

 magnified ; 3, calyptra, magnified ; 4, capsule, immature, 

 magnified ; 5, ditto, mature, with peristome. 



Trichostomum heterostichum. — Fig. 1, plant, natural size; 2, 

 leaf, magnified ; 3, calyptra, magnified ; 4, caj)side, imma- 

 ture, magnified ; 5, ditto, mature, with peristome. 



Plate XIX. 



Weissia nigrita. — Fig. 1 and 1 h, plants, nat. size ; 2, leaves, 

 magnified ; 3, mature capsule, magnified. 



