258 EXPLANATION OF THE PLATES. 



TAB. II. GENERA. 

 (TORTULA TO ORTHOTIIICHUM.) 



TORTULA. f. 1. Capsule and Calyptra of T. subulata. f. 2. Cap- 

 sule of T. cuneifolia. f. 3. Capsule of T. fallax. f. 4. Capsule 

 and Operculum of T. rigida. 



ENCALYPTA. f. 1. Capsule and teeth of the Peristome of E. 

 ciliata. f. 2. Calyptra of E. ciliata. f. 3. Capsule, Operculum, 

 and teeth of the Peristome of E. streptocarpa. 



GRIMMIA. f. 1. Capsule, teeth of the Peristome, Operculum arid 

 Calyptra of G. apocarpa. f. 2. Teeth of the Peristome of G. 

 Doniana. f. 3. Teeth of the Peristome of G. ovata. 



PTEROGONIUM. f. 1. Capsule, Calyptra, and teeth of the Peristome 

 of P. Smithii. f. 2. Teeth of the Peristome of P. gracile. 



WEISSIA. f. 1. Capsule, Calyptra, and teeth of the Peristome of 

 W. striata. f. 2. Capsule and portion of the mouth of W. 

 striata, with the teeth of the Peristome of W. trichodes. 



DICRANUM. f. 1. Capsule and Calyptra of D. cerviculatum. f. 2. 

 Teeth of the Peristome of D. cerviculatum. f. 3. Teeth of the 

 Peristome of Z>. scoparium. f. 4. Teeth of the Peristome of D. 

 spurium. 



TRICHOSTOMUM. f. 1. Capsule, Operculum, Calyptra and teeth of 

 the Peristome of T. heterostichum. f. 2. Teeth of the Peristome 

 of T. canescens. 



LEUCODON. Capsule, Operculum, Calyptra and teeth of the 

 Peristome of L. sciuroides. 



DIDYMODON. f. 1. Capsule, Operculum, Calyptra and teeth of the 

 Peristome of D. trifarium. f. 2. Teeth of the Peristome of D. 

 inclinatum. 



FUN ART A. Capsule, Operculum, Calyptra and teeth of the Peri- 

 stome of F. hygrometrica. 



ORTHOTRICHUM. f. 1. Mouth of the Capsule, and teeth of the 

 Peristome of O. striatum. f. 2. Mouth of the Capsule, and teeth 

 of the Peristome of O. affine. f. 3. Capsule, mouth of the Cap- 

 sule, Calyptra, and Operculum of O. anomalum. 



