MUSCI. (MOSSES.) 



3. Capsule erect, oval or somewhat pyriform. 

 9. BELIGERIA. Teeth lanceolate, obtuse. Capsule globose-pyriform 



7. WEISIA. Teeth lanceolate, acute. Capsule oval, smooth. 



8. RHABDOWEISIA. Teeth subulate. Capsule oval, striated. 



10. ARCTOA Teeth split half-way down. Capsule somewhat turbinate, striated. 



31. DRUMMONDIA. Teeth truncate, erect. Capsule globose-oval. 



54. ENTOSTHODON. Teeth lanceolate, horizontal. Capsule globose-pyriform. 

 4. Capsule erect, oblong or cylindrical. 



21 DESMATODON. Teeth deeply bifid, erect. Operculum elongated-conic, obtuse. 



29. SYKRHOPODON. Teeth entire, horizontal. Operculum subulate-rostrate. 



68. TETRAPLODON. Teeth in fours, reflexed when dry. Operculum conico-convex. 

 4+ ++ 4+ .H. Teeth of the peristome 32 Calyptra cucullifonn. 



19. TRICHOSTOMUM. Teeth more or less united hi pairs, with a narrow basilar membrane. 



22 DIDYMODON Teeth as hi the last, but without any basilar membrane. 



20. BARBULA Teeth very long, once or twice twisted around the columella. 



43. ATRICHUM. Teeth adherent by their points to the flattened top of the columella. Ca- 



lyptra spinulose at the apex 



44. POGONATDM. Teeth as in the last Calyptra densely hairy. 



^ ++ .H. -H. -H. Teeth of the peristome 64. Calyptra cuculliform. 



45. POLYTRICHUM. Teeth adherent as in No. 43 Calyptra densely hairy 



1- -t- Peristome double ; its teeth 16. 

 ++ Capsule symmetrical, erect : inner peristome of 16 cilia. 

 33. MACROM1TRIUM Teeth when dry erect Calyptra campanulate, plicate. 

 28. ENCALYPTA. Teeth when dry erect. Calyptra campanulate, not plicate. 

 34 SCHLOTHEIMIA. Teeth when dry revolute Calyptra campanulate, not plicate. 



32. ORTHOTRICHUM. Teeth when dry reflexed Calyptra campanulate, plicate. 



30. SYGODON Teeth when dry reflexed Calyptra cucullifonn 



M- -H- Capsule unsymmetrical and inclined to one side. 

 = Inner peristome a plaited cone. 



41. BUXBAUMIA. Capsule gibbous, ovate, plano-convex, pedicellate. 



42. DIPHYSCIUM. Capsule gibbous, ovate, not plano-convex, sessile. 



= = Inner peristome a membrane cut into 16 cilia. 

 51. BARTRAMIA. Capsule globose, ribbed when dry. 



47. AULACOMNION. Capsule oblong, ribbed when dry. 



49 MXIUM. Capsule oblong : male flower discoid 



48. BRYUM. Capsule elongated-pyriform : male flower gemmifonn. 



50 MEESIA. Capsule elongated-pyriform. The outer peristome the shortest. 

 53 FUNARIA Capsule short-pyriform. Teeth oblique, united at the apex. 



= = = Inner peristome a membrane cut into 64 cilia 



46. TIMMIA Capsule obovate-oblong. Cilia united at their apex in fours. 



II. PLEUROCARPI. Fruit lateral (with operculum and peristome). 



A. Calyptra cucullifonn 



* Peristome sinrie : teeth 16. 



67. CLASMATODON. Teeth irregular twice or thrice divided to the base. Annulus large, im- 

 perfect 



70 FABRONIA. Teeth regular, approximated in pairs. Annulus wanting. 

 * * Peristome double : the outer of 16 teeth ; the inner of 16 cilia, with or without ciliolae ; 01 

 an irregular membrane. 

 t- Capsule erect, equal. 



a. Leaves papillose 



69 MYTJRELLA. Cilia from a broad base : ciliolae present. Foliage glaucous-green . 

 66 LESKEA. Cilia from a broad base : ciliolae none. Foliage dark-green 



