6 bO'O 



OSTERREICHISCHE 



Herausgegeben und redigirt von Dr. Richard R. v. Wettstein, 



Professor an der k. k. deutschen UniTersität in Prag. 



Verlag von Carl Gerold's Sohn in Wien. 



XLIV. Jahrgang, N»- 1. 



Wien, Jänner 1894. 



Eine neue Lebermoos-Gattung. 



Von F. Stephan! (Leipzig). 



Mit Tafel I. 



Schi/fne}'ia Steph. n. geuiis, 



Plantae froudosae. radicellis fasciculatis repentes. 

 Ramificatio postica, elatere costae orta. Frondes planae, costatae, 

 alis atteuuatis iuciso-lobatis, lobi in piano falcati succube im- 

 bricati, folia fingentes. Amphigastria pro more milla. Cellulae 

 centrales costae valde elongatae, liyalinae, reliqiiae parenchymaticae, 

 magnae. 



Flores feminei in ramulis posticis erectis, e latere costae 

 ortis. terminales interdum e latere innovati. Pistilla 18 — 20. 

 Folia floralia quinquejuga, tristicha, series tertja antica, valde con- 

 cava, intima conduplicata, libera. Perianthia longe exserta, cylin- 

 drica basi crassa, sub ore contracto plicata, ore inciso, fimbriato. 

 Calyptra libera, basi pistillis sterilibus cincta. Capsula ovalis in 

 pedicello perbre\d, usque ad basin quadrivalvis, valvulae e duobus 

 cellularum stratis conflatae. Cellulae interiores fibris semiannulatini 

 incrassatae. Sporae spharico-tetraedae, ininutae, papillatae. Elateres 

 liberi, longi, stricti, bispiri. Androecia ignota. 



Schiffneria hyallna St. n. sp. 



Dioica, perfecte byalina, gregarie crescens muscisq^ue irre- 

 pens. Frons usque ad 16mm longa, ad 3 mm lata linearis vel 

 oblonga, arcte repcns, radicellis fasciculatim aggregatis, per inter- 

 valla dispositis! antice subplana, distincte lateque costata, costa 

 postice prominente in alas attenuata, medio 8 cellulas crassa; alae 

 unam cellulam crassae, margine regulariter lobatae, lobulis in piano 

 falcatim incurvis i. e. apicibus costam versus directis, sub lobulo 

 proximo juniore occultis, dein optime succubis; caulis verus tarnen 

 non adest; lobuli vel pseudofolia solum ex incisura frondis evadunt 

 et margines iucisurae in ejus fündo vel angulo concurrunt. 



Oesterr. botan. Zeitochrift. 1. Heft. 1894, 1 



