Frullania. FRANZ STEPHANl. SPECIES HEPATICARUM (VOL. IV, 1911.) 



21. Frullania Renauldii St. n. sp. 



Dioica pusilla, fusco-briinnea, fragillima, in rupibus late expansa. 

 CauUs ad 2 cm. longus, multiramosus, sub flore innovatus, vix aliter 

 ramosus. Folia caulina imbricata, recte patula, concava apiceque arcte 

 decurva, in plano obovata (0,86 mm. longa, medio 0,6 mm. lata),apice 

 late rotundata, dorso caulem parum superantia, basi antica rotundato- 

 appendiculata. Cellulx superse 18 [i trigonis parvis, parietibus flexuosis, 

 basales 18X36 ix trigonis magnis acutis, parietibus strictis. Lobulus 

 cucullatus erectus, cauli approximatus, duplo longior quam latus, 

 vertice rotundatus, medio infero angustiore, ore ipso truncato-rotun- 

 dato, marginem folii parum superante. Am.phigastria caulina parva, 

 caule parum latiora, obcuneata, ^ix longiora quam lata, superne 

 utrinque angulata, angulis obtusis ssepe dentiformibus, apice ad medium 

 inciso-biloba, lobis late triangulatis acutis. Perianthia maxima, late 

 pyriformia, postice biplicata, plicis in unam latam confluentibus, 

 rostro breviusculo valido. Folia floralia intima oblonga, acuminata 

 obtusa integerrima; lobulus \\\ brevior, ad medium solutus, anguste 

 lanceolatus, acutus, margine interno lacinula valida armatus. 

 Amphigastrium florale lobis aequilongum utrinque alte coalitum, ad 

 medium bifidum lobis anguste lanceolatis acutis integerrimis. Androecia 

 ignota. 



Hab. Insula Bourbon. 



22. Frullania Schimperi Nees. Syn. Hepat., p. 454. 



Dioica, mediocris sed valida, fusco-brunnea, dense depresso csespitosa 

 lateque expansa. Caulis ad 4 cm. longus maxime irregulariterque 

 ramosus. Folia caulina imbricata, recte patula, valde decurva, in plano 

 late obovata (1 mm. longa, medio 0,65 mm. lata) apice late truncato- 

 rotundata, dorso caulem parum superantia, basi antica rotundata ex- 

 appendiculata. Cellulm superse 12X18 •j.trigonismajusculis, parietibus 

 validissimis, basales 18 X 36 [jl trigonis magnis acutis subnodulosis, 

 parietibus strictis; Lobulus majusculus, cauli approximatus, erectus vel 

 leviter nutans, in ramis oblique incumbens, late cylindricus, vertice 

 rotundatus, ore parum angustiore truncato, marginem folii haud 

 superante. Amphigastria caulina sinuatim -inserta, caule plus duplo 

 latiora, in plano subrotunda, apice late rotundata bre\ iterque excisa, 

 lobis acutis. Folia floralia intima ex angusta basi oblongo-elliptica, 

 duplo longiora quam lata, apice obtusa, integerrima, lobulus subcequi- 

 longus parum angustior, acutus, integerrimus, basi tantum lacinula 

 valida lanceolata armatus. Amphigastrium florale intimum foliis flora- 



487 



