416 EXPLANATION OF THE PLATES. 



Fissidens. — Plant, calyptra, capsule with operculum, and two 2-cleft 

 teeth of tlie peristome, of F. taxifolins, Hedw. 



Canapylopus. — Plant, calyptia, capsule wltli calyptra and operculum, 



and two teeth of the perislouie, of C. flexuosii.s, JLJrid. 



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

 teeth of the peristome, of L. tortile, Muell. 



Conomitrium. — Plant, calyptra, capsule and operculum together 

 with the peilicel and pericha^tial leaves, and three teeth of the peri- 

 stome, of C. JiiUnnum, Mont. 



Trematodon. — Plant, calyptra, capsule with operculum and apophy- 

 sis, and two teeth of the peristome, of T. longicollis, Michx. 



Plate II. 



Leucobryum. — Plant, calyptra, capsule with operculum, capsule 

 when dry, and two 2-parted teeth of the peristome, of L. vulyare, 

 Ilampe. 



Dicranum. — Plant, calyptra, capsule with operculum, and two 2-parted 

 teeth of the peristome, of D. scoparium, Hedw. 



Desmatodon. — Plant, calyptra, operculum, capsule, mouth of same 

 with peristome, and two 2-parted teeth with a portion of the annulus, 

 of D. pllnthobius, Sulliv. & Lesq. 



Didymodon. — Plant, calyptra, operculum, capsule, and two teeth of 

 the peristome with a portion of the annulus, of D. rubellus, Bruch 

 & Schiuip. 



Eustichia. — Plants, a plant enlarged, male flower, an antheridium, 

 fertile flower, and section of the leaf, of E. Noneijica, Prid. 



Distichium. — Plant, portion of stem and leaves enlarged, calyptra, 

 capsule with operculum, and two teeth of the peristome With a part of 

 the annulus, of D. capillaceum, Bruch & Schimp. 



Pottia. — Plants, capsule with calyptra and operculum, and capsule 

 witli the operculum attached only by the columella, of P. truncata, 

 Puern. 



Syrrhopodon. — Plant, capsule with calyptra and operculum, opercu- 

 lum, and three teeth of the peristome, of -S. Floridanus, JSulliv. 



Schlotheimia.— Plant, capsule with operculum, same covered by 

 tlie calyptra, lower portion of the calyptra, and p;irt of the peri- 

 stome (one tooth and two cilia), of -S. Sullivantii, Mtiell. 



Tetraphis. — Plant, capsule with calyptra, operculum, and entire peri- 

 stome, of T. pelliicUla, Hedw. 



Ptychomitrium. — Plant, calyptra, operculum, capsule with peristome 

 and portion of the annulus, and two teeth of the peristome, of P. in- 

 cnri'nm, SuUiv. 



Drummondia. — Plant, calyptra, capsule with calyptra and opercu- 

 lum, operculum, two teeth of the peristome, and three spores, of D. 

 cluvellata, Hook. 



Encalypta. — Plant, capsule covered by the calyptra, capsule with 

 operculum, dry capsule, and three teeth of the peristome with a part 

 of the annulus, of E. rhdhdocarpa, Schwaegr. 



Amphoridium (as Z^/ryocZou). — Plant, calyptra, capsule with opercu- 

 lum, and dried capsule, of ^. Lapponiciun, Schimp. 



Macromitrium. — Plant, calyptra, capsule, and mouth of same 

 with the annular peristome, of M. Sullivantii, Muell. 



