- 



EXPLANATION OF THE PLATES. 



N. B. The figures of those genera of Mosses and Liverworts to which an asterisk ( * ) is 

 prefixed, are from original drawings. The species selected for illustrating the genera are 

 figured of the natural size : their details are more or less magnified. The sign $ on the plates 

 Indicates the antheridia. 



Genera of Musci. 



TAB. XV. 



ANDREA Plant, capsule before dehiscence, the same after dehiscence, and calyptra of 

 A. rupestris, Turn. : after Schimper. 



SPHAGNUM. Plant, capsule with remains of the calyptra, the same cut lengthwise, and 



operculum of S. cymbifolium, Dill. 



ARCHIDIUM. Plant, and a plant enlarged, capsule with base of the calyptra, and upper 



portion of the calyptra of A. Ohioense, Schimper. 



PHASCUM. Plant, the same enlarged, capsule, and calyptra of P. cuspidatum, Schreb. : 

 after Schimper. 



BRUCIUA. Plant, and a plant enlarged, capsule, and calyptra of B. brevifolia, Sulliv. 

 GYMNOSTOMTJM. Plant, capsule, operculum, and calyptra of G. rupestre, Schweegr. : 



after Schimper. 



WEIS1A. Plant, capsule with operculum and calyptra, and five teeth of the peristome of 

 W. viridula, Brid. : after Schimper. 



RHABDOVVEISIA Plant, capsule with operculum, capsule when dry, three teeth of the 

 peristome, and calyptra of R. fugax, Bryol. Europ. : after Schimper. 



DICRANODONTIUM. Plant, capsule with the operculum, two 2-parted teeth of the peri- 

 stome, and calyptra of D. longirostre, Bryol. Europ. : after Schimper. 



ARCTOA. Plant, capsule with operculum and calyptra, and two teeth of the peristome of 

 A. fulvella : after Schimper. 



SELIGERIA. Plant, capsule with operculum and calyptra, and three teetu of the peri- 

 stome of S. tristicha, Bryol. Europ. : after Schimper. 



BARBULA. Plant, capsule with operculum, the peristome, and calyptra of B. unguicu- 

 lata, Hedw. : after Schimper. 



CERATODON. Plant, capsule with operculum, capsule when dry, two 2-cleft teeth of the 

 peristome, and calyptra of C purpureus, Brid : after Schimper. 



FISSIDENS. Plant, capsule with operculum, two 2-cleft teeth of the peristome, and calyp- 

 tra of F. taxifolius, Hedw after Schimper. 



OAMPYLOPDS Plant, capsule with operculum and calyptra, two teeth of the peristom* 

 with a portion of the annulus, and calyptra of C. flexuosus : after Schimper. 



TRICHOSTOMUM. Plant, capsule with operculum, three teeth of the peristome, and 

 calyptra of T. tortile, Schrad. : after Schimper. 



OONOMITRIUM Plant, capsule with operculum pedicel and porichsetial leares, thrw 

 teeth of the peristome, and calyptra of C. Julianum, Mont. : after Schimper. 



