Symbyezidium. franz stephani. species hepaticarum (Vol. V, 1912). 



Africa 



1. Symbyezidium madagascariense St. n. sp. 



Dioica, niediocris, flavo-rufescens, flaccida, corticola. Caulis diA^cm. 

 longus, sparsim irregulariterque pinnulatus. Foliu caulina conferta, 

 recte patula, paruni concava, in plano late ovata (1,5 mm. longa, 

 1,17 mm. lata) asymmetrica, apice iate truncato-rotundata, ad medium 

 accreta, basi antica breviter truncata. Cellulae superse 36 [i, basales 

 36x45[jL, trigonis majusculis. Lobulus majusculus, folio triplo bre- 

 vior, ovatus, recte patens, inferne inflatus, gibbosus, apice planus 

 truncatus, angulo acuto. Amphigastria caulina maxima, reniformia 

 (1,1 mm. lata, 0,75 mm. longa) substransverse inserta breviterque 

 decurrentia. Androecia sparsa, parva, sessilia, bracteis quinquejugis. 

 Reliqua desunt. 



Hab. Madagascar. 



2. Symbyezidium Balfourii (Mitt.) St. 



Syn. : Lejeunea Balfourii Mitt. Phil. Trans. T. 168, pag.398, tab.39. 



Caulis procumbens, subsimplex. Folia caulina imbricata, convexa, 

 divergentia, oblongo-ovalia, apice rotundata, integra lobulo obsoleto. 

 Cellulse rotundae. Amphigastria caulina caule triplo latiora, rotunda, 

 integra. Perianthia in ramo brevissimo subsessilia, late obcordata, 

 applanata, levia, marginibus superioribus undulato-sinuatis, rugosis. 

 Folia involuamlia conformia, lobulo parvo, transverse oblongo, apice 

 obtuso. Amphigastria floralia ovali-rotunda integra. 



Hab. Rodriguez Insulse (Africa orientalis). 



DuII brown or blackish patches on moist clayrocks, like Lejeunea 

 Hobsoniana, but destitute of wing or teeth. 



America tropica 



3. Symbyezidium Hobsonianum (Ldbg.) St. 

 Syn. : Lejeunea Hobsoniana Ldbg. Syn. Hepat., p. 313. 



Dioica, major et robusta, flavescens vel dilute brunnea, dense 

 depresso-csespitosa, flaccida. Caulis ad 5 cm. longus, sparsim remoteque 

 pinnatus, pinnis valde insequalibus, hic illic fasciculatim aggregatis. 

 Foha caulina parum imbricata, recte patula, parum concava apiceque 

 decurvula, in plano late ligulata, leviter falcata (2,17 mm. longa, 



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