Dr. W. Ph. 8 eil im per. Spiridens. 



7 



teriore crassiusciüa sulca longitiidinali bipartita, interiore convexo- 

 prominente, trabecnlata; interni membrana basilari carinato- plicata, 

 plus minus producta, in processus dentes paulum superantes inque 

 cilia plus minusve perfecta continua. 



Caracter naturalis. 



Plantae specio'sissimae muscorum pleurocarporum principes. 



Gaulis robustus simplex vel inaequaliter distiche ramosus, sola 

 basi radicularum fasciculo denso rufo adfixus. probabiliter pendulus, 

 densissime foliosus. 



Folia pluriseriata (octosticha), e basi tenuiscarioso longe va- 

 ginante patula, longissima, lanceolato-subulata , solida, margine in- 

 crassato argute serrata. late costata. 



Flor es dioici; masculi crassiusculi gemmiformes , antheridiis 

 numerosis magnis cylindraceis, parapliysifeus numerosissimis longioribus 

 acutis; feminei polyphylli, archegoniis longistylis, paraphysibus longis 

 numerosis. 



Fructus: Vaginula elongato-cylindracea ; calyptra angusta, 

 cucullata, longirostra, solida, fugax; Capsula e pericbaetio poly- 

 phyllo emergens, ex ovato oblonga, pachyderma, solida, laevis, oper- 

 culo magno instructa plus minusve longirostro nitido; sporae minimae. 



Tjocus sy stematicus. 

 Leucondontearum caput tenet vel inter Neckeraceas familiam 

 propriam efformat cui gen. Cyrtopus Brid. (Neckera setosa 

 Hook.) proxime accedit. Haud patet qua ratione dar. 0. Müller 

 inter Leptodontem et Climacium collocaverit. 



