4 Thedenia. 



acuminata (3 — 10), integeriima, ecostata, mollia, media pagina et apice rhomboideo-, margine 

 liiombeo-, ad baseos angulos quadrato-areolata (Sb, 5 a). 



Flores utriiisque sexus iiuraerosissimi, feminei praecipue caulogeni, mascuiique cladogeni, rarius 

 întevmixti (11); perigonia crassiuscula. 12-phyIla (12), antlieridia oblonga, teniii-paraphysata (13); 

 perichaetia giaciiioia (14), aichegoniis brevistylis paraphysatis (15). 



Fructus in caule et ramis pvimariis satis miraerosi, sparsi (16). Peiichaetiuni basi parce radi- 

 culosum vel nuduin, 12 phyllum, subvaginans; folia perichaetialia externa minuta, ovato-Ianceolata 

 (10), media oblonga subulato-acuminata (17, 18), intima elongato oblonga, brevins acuminata, magis 

 vagiiiantia (19, 20), omnia caulinis pallidiora et molliora. Vaginula oblongo-cylindrica, parce pilosa 

 (21). Calyptra majuscula, straminea (22). Capsula in pedicello semiunciali, tenui, rubello, siccitate 

 sub capsula sinistrorsum , dehinc dextrorsum torto (23) suberecta vel leviter cernua, gracilis, 

 ovato-oblonga vel oblongo-cylindrica, coUo obconico sufFulta, mollis, fulvelin, sicca evacuata subcylin- 

 drica, minute corrugata, sub ore leviter angustata (23). Operculum conicum, in rostellum obliquatum 

 productum. Peristomium sub capsulae orificium exannulafum erosum oriens (26), magnitudine 

 mediocri; dentés lanceolato-subulati, articulationibus remotis apice constrictis (27), intus extusque pro- 

 minulis (26), margine hyalino granulato eircumducti, caeternm lutescentes, hic illic basi vel apice 

 conglutinati (2")); peristomii interni merabrana basilaris ad medios fere dentés producta, dehinc in 

 processus dentés superantes solidiores, in carina vix hiantes, apice haud raro dentium summos arti- 

 culos gereutes (28), minute granulöses, inque cilia brevia solitaria vel biiiata soluta (24), dentibus 

 paulo obscurius tincta. Sporae médiocres, fuscae, granulosae (29). 



