EXPLANATION OF THE PLATES. 



Note. —The mosses selected for illustrating the genera are figured of 

 the nauu-iil size; their details are more or less magnified. The sii^n {, in- 

 dicates the antlieridia. Plates I.-V. are the same that were used hy 

 buljivant lor tlie illustration of his "Mosses of the United States," the 

 figures partly fi'om original drawings, partly faken from the plates of 

 Brucli & Schimper's liryologia Europcaa. The last plate, illustrating 

 mainly the subgenera of Uyimmn, is, with a single exception, made up 

 from ydiimper. 



Plate I. 



Andresea. — Plant, calyptra, capsule before dehiscence, and the same 

 after dehiscence, of A. rupfstris. Turn. 



Sphag-num. — Plant, capsule with remains of the calyptra, the same 

 cut lengthwise, and the operculum, of S. cymbifoUwn, Ehrli. 



Archidium. — Plant, a plant enlarged, capsule with base of calyptra, 

 and upper portion of the calyptra, of A. OJiioense, Scliinip, 



PhascniTl. — Plant, the same enlarged, capsule, and calyptra, cf P. 

 cuxphhttum, Schreb. 



Bruchia. — Plant, a plant enlarged, calyptra, and capsule, of JJ. brevi- 



fol'ut, Sulliv. 



Gymnostomum. — Plant, calyptra, capsule, and operculum, of G. 

 riipestre, tScliwaegr. 



"Weisia. — Plant, capsule with calyptra and operculum, and five teeth 

 of tiie pei-istome, of IP. virklula. Brid. 



RhabdoTveisia. — Plant, calyptra, capsule with oporrulum, capsule 

 wlieu dry, and three teeth of the peristome, of li. fuyax, Ihiich & 

 iSchimp. 



Dicranodontium. — Plant, calj^ptra, cap'-ulo with operculum, and 

 two 2-parted teeth of the peristome, of U. longiroi^lre, Eruch & 

 Schinip. 



Dicranum. — Plant, capsule with calyptra and operculum, and two 

 teeth of the peristome, of D.fidvelliini, .Smith. 



Seligeria. — Plant, capsule with calyptra and operculum, and three 

 teetli of the peristome, of S. tristidia. Bruch & Schimp. 



Barbula. — Plant, calyptra, capsule with operculum, and peristome, of 

 B. nnf/iiic'iiluku Hedw. 



Ceratodon. — Plant, calyptra, capside with operculum, same when dry, 

 and two 2-cleft teeth of the peristome, of C. purpureus. Brid. 



415 



