Rupinia. franz stepham. spegies hepatigarum. 759 



RUPINIA Corda 



in Opiz, Beiträge, 1829, p. 650. 



Syn. Riccia Raddi, Op. scient. Bologna. II, p. 350. 



Tessellina Dum. Comment, bot. p. 78 (nomen nuduni). 

 Oxymitra Bisch, in Ldbg. Synops. Hep. Eur. (Acad. Leop. 1829, 

 p. 124). 



Plantée thallosee, terricolee, dichotome ramosee vel ramulis posticis 

 lateralibus innovatee. antice cavernosee, lamellis unistratis, medio antico — 

 strato antico recedente — sulcatee; stomaLa simplicia, minima. Squainee 

 posticee magnée, utroque latere frondis serialee, e basi radiculas incras- 

 satas proferentes. Andrœcia costee inserta, antheridiis in soro vallatim 

 ampliato lineari et bene definito seriatis, vagina communi squamulisque 

 circumdata; cavernis monandris. Archegonia séria ta, singula involucro 

 spongioso, conico-cylindrico, apice aperto circumvallata ; calyptra basi 

 involucri coalita. Capsula spbeerica, parietibus bistratis, subinde evanidis. 

 Sporee tetreedree, lamellatee. Elateres nulli. 



1. R. pyramidata Corda, 1. c. 



Syn. Riccia pyramidata Raddi, 1. c. 

 Tessellina pyramidata Dum. 1. c. 

 Oxymitra pyramidata Hüb. Hepaticologia germ. p. 24. 



Dioica, minor, viridis, marginibus purpureis, tenax. Frons usque ad 

 2 cm. longa, furcata vel ramulis posticis innovata, furcis divergentibus, 

 la te linearibus, apice rotundatis, antice subplanis, marginibus attenuatis, 

 adscendentibus, plus triplo latioribus quam altis; costa valida strato 

 lamellifero eequialta, duplo fere angustiore, postice piano convexa, dense 

 radicellifera, lateribus adscendentibus sensim in alas excurrentibus ; 

 antice rima nuda percusa; squamae posticse oblique trianguläres, magnas, 

 basi purpureee denseque inibricatee, apice libérée, hyalinse, longe cuspi- 

 datee, marginem frondis longe superantes, in apice frondis hamatim in- 

 curvée ; Stratum anticum lamellis approximatis anguste cavernosum; 

 stomata 6 cellulis conicis superficialibus formata, parietibus radialibus 

 maxime incrassatis. Rractese vaginee masculee lineares, purpureee, erectee. 

 Ostiola mascula longe producta. Involucra feminea cavernosa, porifera, 



