musci. (mosses.) 609 



3. Capsule erect, oyal 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. DRUMJIONDIA. 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. SYRRHOPODON. Teeta entire, horizontal. Operculum subulate-rostrate. 



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

 ++++++++ Teeth of the peristome 32 Calyptra cuculliform. 



19. TRICHOSTOMCM. Teeth more or less united in pairs, with a narrow basilar membrane. 

 22 DIDYMODON Teeth as in 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 POGONATUM. Teeth as in the last. Calyptra densely hairy. 



++++++++++ Teeth of the peristome 64. Calyptra cuculliform. 



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



i- -i- Peristome double ; its teeth 16. 

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

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

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

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



32. ORTHOTKICI1UM. Teeth when dry reflexed Calyptra campanulate, plicate. 



30. ZYGODON Teeth when dry reflexed Calyptra cuculliform 



++ -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. MNIU5I. Capsule oblong : male flower discoid 



48. BRYDM Capsule elongated-pyriform : male flower gemmiform. 



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. 



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



A. Calyptra cuculliform 



# Peristome single : teeth 16. 

 67. CLASMATODON. Teeth irregular twice or thrice divided to the base. ADnulus 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 ciliolse ; oi 



an irregular membrane. 

 ■<- Capsule erect, equal, 

 a. Leaves papillose 

 69. MYURELLA. Cilia from a broad base : ciliolse present. Foliage glaucous-green . 

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



