(VoL. V, 19i:i). FRANZ STEPHANI. SPECIES HEPATICARUM Ccratolejeunea . 



triplo latiora, siibtransverse inserta, snbrotunda, integerrinia. Perian- 

 thia innovata, pyriformia (1,25 mm. longa, 0,5 min. lala) compressula, 

 4-5 carinata, superne papillata, qnadricornuta. Folia floralia caulinis 

 parum longiora, obovato-lanceolata ; lobulus simillimus, parum angus- 

 tior et brevior. Amphigastrium florale ovale, perianthio subduplo bre- 

 vius, integerrimum, lobulis breviter connatum. Andrmcia terminalia, 

 bracteis quinquejugis. 

 Hab. Peruvia. 



90. Ceratolejeunea tenuicornuta St. n. .sp. 

 Monoica mediocris, rufo-brunnea, corticola. Caulis ad 25 ram. lon- 

 gus, dense irregulariterque pinnatus. Folia caulina imbricata, recte 

 patula, concava apiceque decurva, in plano ovato-oblonga (1,17 mm. 

 longa, 0,83 mm. lata) late acuminata acuta, integerrima, asymmetrica, 

 margine postico substricto, antico late arcuato, ad medium accreta, 

 basi antica truncata. Cellulse superae 18X18 |j. basales 27X27 |jl, 

 ocelli geminati 36X54 jj.. Lobulus minor, folio quintuplo brevior, 

 ovatiis, subrecte patens, carina leviter arcuata, levi sinu in folium 

 excurrens, apice quam basis parum angustiore, leviter emarginato, 

 angulo acuto. Amphigastria caulina magna, late ovata (0,6 mm. longa, 

 0,5 mm. latai sinuatim inserta, ad medium inciso-biloba sinu semi- 

 recto, lobis late triangulatis cuspidatis. Perianthia parva, obovata 

 (1,1 mm. longa, 0,67 mm. lata) foliis caulinis sequilonga, tenui-cornuta, 

 cornibus 0,33 ram. longis, aequimagnis, leviter divergentibus, obtusis, 

 teretibus, rostro valido. Folia floralia perianthio breviora (0,9 ram. 

 longa, 0,5 rara. lata) obovato-oblonga, acuta vel obtusa, sub apice 

 denticulata vel integra ; lobulus duplo brevior, ad medium solutus, 

 lanceolatus, acutus vel obtusus, integerrimus. Amphigastrium florale 

 giganteum (1 rara. longura et latura, lobulis breviter connatum, ad 

 raedium bilobatum, sinu subrecto obtuso, lobis late triangulatis, acu- 

 minatis acutis. Andrm-ia parva, sessilia, bracteis quadrijugis. 



Hab. Brasilia orientalis. 



91. Ceratolejeunea tahitensis St. n. sp. 



Monoica minor, rufo-brunnea, in cortice csespitans. Cuulis ad 15 mm. 

 longus, irregulariter remoteque pinnatus et bipinnatus. Folia caulina 

 contigua, recte patula, concava apiceque decurva, in plano late ovata 

 (1,17 ram. longa, 0,81 mm. lata) asymraetrica, raargine postico stricto, 

 brevi basi inserta, basi antica longe truncata, apice rotundata. Cellulx 

 superae 18 {t, basales 36X45 ft trigonis nullis ; ocelli basales 3, seriati, 

 36X45 [1. Lobulus parvus, folio sextuplo brevior, ovato-triangulatus, 



444 



