267 



^vata nmltoties leviter plicata longiuscula decurrente late 

 acuminata obtusata cacullata, superiora juniora in pilum 

 robustum longiusculum liyalinum striate -reticiilatum denti- 

 culato-scrrulatum producta; omnia margine inferiore usque 

 ad medium vel ultra lato-revolute integerrima, nervo lato 

 profunde canaliculate excurrente, cellulis ad angulum decur- 

 rentem laxe parenchymaticis, basilaribus longiusculis crenu- 

 latis ultra medium niagis rotundatis, omnibus in membranam 

 glaberrimam nitidulam veluti conflatis teneris indistinctis ; 

 perichaetialia in cylindrum breviusculum involuta apice 

 truncatula exesa; theca in pedunculo brevi glabro spirali 

 flaccido erecta longiuscule cylindrica ore angustato glabra 

 aetatft leviter plicata, operculo e basi angustissime conica in 

 rostrum longiusculum calyptra longe subulata apice leviter 

 asperula persistente basi in lobulos latiusculos 16 obtusos 

 laciniata obtecto , dentibus longissimis strictissimis obscure 

 rubris glabris usque fere ad basin bifidis; annulo nullo. 



Patria. Vancouver Island, Victoria, 22. Majo 1888. 

 (39—41.) 



E speciosissimis, quoad magnitudinem surcuH, formam 

 folioram et peristomii a Grimmia aquatica vel aciculare 

 toto coelo distincta. R b a c o m i t r i u m v a r i u m Mitt, foliis 

 madore crectopatulis jam longe difFert. 



li. patens Hueb. 



Oregon: Mt. Hood (1019). Washington : Easton, Yakima 



River (593-596), Kahche^s Lake (794, 799), Rigi am 

 Clealum Lake (897, 898). Idaho: Coeur d'Alene 

 (1159; 1165)- 



R. aciculare Brid. 



Washington: Weston (475). Idaho: Coeur d'Al^ne (1173). 



Wyoming: Nat. Park (1453). 



R. canescens Brid. 



Vancouver: Victoria (42). Washington: Tacoma (177). 



Oregon: Mt. Hood, Krater 11000' (1035). 



var, ericoides Br. & Sch. Washington: Weston (473); 



Enumclaw (349). Oregon: Mt. Hood (1031). 



R. heterostichum Brid. 



Vancouver:Victoria(35— 38). Washington rEaston (588— 92); 



Kahchuss Lake (795, 798), Enumclaw (344, 345, 348, 

 350). Oregon: Mt. Hood (1033), Hood River (1039). 



Idaho: Coeur d'Alene (1166—69). 



