280 PROCEEDINGS OF THE AMERICAN ACADEMY 



21. HTPNU3I SiMODENSE (sp. nov.) : dioicum, vage et subpinnatim 

 ramosura ; foliis confertis concavis ovato-ellipticis subito longe filiformi- 

 acuminatis elongato-areolatis raargine recurvis, costa supra medium 

 evanescente ; capsula oblongo-ovali suboequali plagiostoma erectius- 

 cula ; operculo conico brevirostro ; peristomio H. Iceti. 



Simoda, Japan. 



22. Hypnum macrostegium (sp. nov.) : dioicum ; subfastigiato- 

 ramosura ; foliis confertis e basi oblongo-ovata sensim longe acuminatis 

 plicato-striatis serratis elongato-areolatis margine basilar! recurvis, 

 costa subpercurrente ; capsula cylindraceo-ovali erecta annulata ; int. 

 perist. ciliolis subnullis ; operculo conico longe rostrato. 



Steep banks, among bills, near Simoda, Japan. 



23. Hypnum flaccidum (sp. nov.) : monoicum, prostratum, sub- 

 pinnatim^ ramosum, laxe foliosum ; foliis subbifariis horizontalibus 

 ovato-lanceolatis sensim filiformi-acuminatis ecostatis integerrimis lax- 

 issime oblongo-areolatis ; capsula oblonga vix curvula longicolla hori- 

 zontali ; operculo breviconico obtusato. 



On banks, shaded hill-sides, Simoda, Japan. 



24. Hypnum spinulosum (sp. nov.) : monoicum, irregulariter sub- 

 pinnatimve ramosum, arctius deplanato-foliosum ; foliis divergentibus 

 ovato-lanceolatis setiformi-attenuatis ecostatis toto ambitu serratis den- 

 sius elongato-areolatis ; capsula obovato-oblonga basi attenuata curvula 

 horizontali. 



Simoda, Japan. 



25. Hypnum thelidictyon (sp. nov.) : monoicum, vage subfasti- 

 giato-raraosum ; caulibus ramisque assurgentibus compressis ; foliis 

 laxis e basi constricta oblongis sensim longius acuminatis concavis 

 ecostatis toto margine serratis, cellulis elongatis grosse unipapillatis, 

 alaribus utrinque 3 — 4 amplissimis vesiculiformibus ; capsula minuta in 

 pedicello laevi oblonga subpendula; operculo longissime aciculari- 

 rostrato. 



Hill-sides, Ousima : rocks in ravines. Hong Kong, China. 



26. Hypnum POHLiiECARPUM (sp. nov.) : dioicum, prostratum, parce 

 ramosura ; foliis bifariam complanatis ovato-lanceolatis brevius recte 

 vel oblique acuminatis apice grosse serratis, cellulis linearibus, costellis 

 binis brevissimis ; capsula cylindracea longicolla vix incurva subpen- 

 dula ; operculo conico brevirostrato. 



On steep shaded banks, Simoda, Japan. 



