371 
nervo luteo angusto sed distineto subulam supremam omnino 
occeupante pereursa, margine infero vix revoluta remote et 
tenuissime denticuleta, e cellulisminutislongiusculis angustis- 
simis luteis infima basi majoribus subquadratis pellueidiori- 
bus areolata; perich. majora ovate vel lanceolate acuminata, 
nervo rufescente insubulam rufescentem aristiformem brevem 
excedente percurss, .coneava, margine distinetius sed an- 
gustissime revoluto magis dentieulata, e cellulis multo 
laxioribus luteis retieulata; theca in ped. pro plantula 
elongato tenui valde flexuoso purpureo ob flexuram pe- 
dieelli inclinata minuta vel pro plantula magna, i. e. ex 
vollo auguste cylindracea clavatula longiuscula purpura- 
scens pachyderma, opereulo minuto rubro nitidulo conieu, 
aunulo multipliei revolnbili; perist. dentes externi angusli 
lutei membranacei longiuseuli in subulam brevem pallidiorem 
dense articulatam subito fere protracti dense trabeculati, in- 
terni in membrana alta pallida tenerrima vix longiores 
summitate hiantes, eilis singulis tenerrimis indistinete 
appendieulatis interpositis. 
Patria, Argentinia subtropica, aliqua Cuesta Cordil- 
lerarum septentrionalium, sine loco natali, cum ‚Entodonte 
suberythropode, forsan e Cuesta de Buyuyu, 1873. 
Species perbella pygmaea forsan e minutissimis con- 
generum, surculo gemmaceo, foliis ramulinis fabronioideo- 
imbricatis setosis (ut in Bryo fabroniodi!) minutissimis, theca 
longe pedunculata cylindraceo-obconiea angustissima pur- 
purascente vel sangninea, opereulo minuto rubro, peristomio 
externo membranaceo angustissimo et interno pallidissime 
luteo, eiliis singulis vix appendieulatis prima fronte ab omni- 
bus congeneribus diversa, ex habitu Bryum erythrocarpum re- 
ferens, sed Zubryum foliis marginerevolutisaristato-subulatis. 
