Riccia. franz stephani. species hepaticarum. 323 



ginibus longe atlenuatis costam late superantibus; costa postice plano- 

 convexa, sensim in alas attenuala; frondis sectio ilaque sexluplo lalior 

 quam alta, anlice plana, poslice plano-convexa ; Stratum anlicum humilli- 

 mum (fere quadruplo minor quam costa in seclione). Squamee poslicae 

 brèves, hyalinee, rémoise. Sporse inagnœ, 119^. late alatee, ala tenuis varie 

 profundeque emarginata, sublobaîa, laxe reticulatim lamellatee, lamellis 

 altis, acutis; foveolee 17[i vel majores, valde irreguläres, papillis nullis. 

 Hab. Amboina (Exped. Gazelle). 



25. R. Treubiana St. n. sp. 



Monoica, major, pallide virens, margine purpurea. Frons 20 mm. 

 longa, tenuis, profunde furcala, furcis 5 mm. latis, apice truncalo rolun- 

 datis, brevissime bilobis, antice subplana, sulco tenui percursa, alis vix 

 adscendentibus, planis, marginibus longius atlenuatis, acutis. Costa eequi- 

 lala, parum convexa, laleribus convexis oblique adscendentibus. Squamee 

 parvee byalinee, marginem haud superantes. Spores magnée 93 ^ intense 

 rufse vel subpurpureee, laxe reticulatim lamellatee, lamellis crassis, in 

 angulis baud papillatis, foveolis sub 20 ix; ala angusta erosa. 



Hab. Java. Builenzorg (Treub). 



26. R. hortorum Bory Syn. Hep. p. 607. 



Dioica. major, virens, alis postice purpureis. Frons parum furcata, 

 furcis oblongis, crassis. 5-plo tarnen latioribus quam altis, anlice sub apice 

 parum br emier que sulcatis, ceteruin subplanis vel parum canaliculatis, 

 alis convexo-planis, leviter acuminalis margine acutis; costa duplo angus- 

 tiore quam Stratum anticum, postice plano-convexa, sensim in alas atte- 

 nuala; frondis sectio transversa itaque fere symmetrice fusiformis, anlice 

 tanlum Imiter emarginata. Squamee posticee parvee, purpureee. Sporee 

 magnée 102 ji, late alalee, ala irregulariter repando-vel inciso cristseformi, 

 laxissime reticulalim-lamellatœ, lamellis angustis, altis, répandis, baud 

 papillatis; foveolis 17 jt. 



Hab. : Insida Bourbon (Bory S 1 Vincent). 



27. R. angolensis St. n. sp. 



Dioica, Ç ignota, minor, glauco-virens. Frons o-6 mm. longa, e basi 

 angusta obcordata vel obconico-oblonga, bre\iler furcata, furcis divergen- 

 libus, br éviter ligulatis, apice late rotnndatis br éviter que bilobis, ubique 

 fere plana, sub apice solum brevi rima instructa, postice parum incras- 

 sata; costa convexa in alas longe sensimque atlenuata, marginibus tenui- 



15 



