451 



per inferiorem folii partem porosæ, basilares mediæ rectangulæ, 

 0.053 — 0.1 mm. longæ, 0.027 mm. latæ, angulares brevius rect- 

 angulæ, tiirgidæ ; in cetero folio rhomboideæ, 0.04 — 0.047 mm. 

 longæ et 0.015 mm. latæ , marginales fusiformes — lineares, 

 flexuosæ, crassiores; costa basi 0.066 mm. crassa et rubra, 

 ceterum fusco-viridis, in foliis mediis in apicnlo vel cum eo 

 desinens , in summis in cuspidem mediocrem subintegram 

 excurrens, plano-convexa, dorso valde prominens, cellulis ventra- 

 libus 4, ducibus totidem, fasciculo comitum distincte, illo 

 stereidearum crasso, cellulis dorsalibus 10 — 12. 



Folia innovatiofium erecto-patentia, siccitate erecta et 

 flexuosa, costa cum apice evanida, late ovalia, brevissime 

 obtuseque cuspidata, apice denticulata, margine plana, limbo 

 uni- vel biseriato. 



Folia perichætialia ovato-triangula, longius cuspidata, mar- 

 gine vix limbato plana. 



Inflorescentia heteroica; ad basin floris masculi ramus 

 egreditur flore bisexuali vel femineo terminatus ; florum herma- 

 phroditorum antheridia et pistillidia numéro varia, illa ad 0.48 mm. 

 longa et 0.13 mm. crassa, hæc 0.53 mm. longa, paraphyses 

 numerosæ, luteolæ; flores masculi subdiscoidei, foliis perigonia- 

 libus latissime ovatis, breviter obtuseque cuspidatis, margine 

 vix limbato pianis, costa longe sub apice dissoluta, antheridiis 

 paraphysibusque numerosissimis. 



Vaginula ovato-conica, 0.95 mm. longa , 0.48 mm. crassa, 

 fusco-rubra. 



Seta 10 — 15 mm. longa, 0.17 mm. crassa, basi rubra, apice 

 lutescens, parum flexuosa, superne vage torta, apice hamata. 



Capsula pendula, clavata, siccitate sub ore angustior, 

 deoperculata 2.5 mm. longa, 1 mm. crassa, fusco-lutea, nitidula; 

 Collum 1 mm. longum, coloris sporangii, obconicum, siccitate 

 plicatum, cellulis epidermidis subquadratis, mediocriterincrassatis, 

 stomatibus crebris , late ovalibus , 0.05 mm. longis, 0.046 mm. 

 latis, poro lineari; sporangium ut Collum curvulum, crasse 



29* 



