Sgmbgnidium. FRANZ STEPHANI. 



HEPATICARUM (VOL. V, 1912). 



Africa 



1. Symbyezidium madagascariense St. n. sp. 



Dioica, niediocris, llavo-rufrscen*. Macrida, cortirola. Caulinad 3cm. 

 longus, sparsim irregulariterque pinnulalus. Fofiu vuufina conferta, 

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

 1,17 rnm. lata) asymrnetrica, apice latc lrunc;ilo-rotwiid;da, ad medium 

 accreta, basi antica breviter truncata. Cellulse supera 36 jx, basales 

 36x45 {i, trigonis majusculis. Lobulus majiisculus, folio triplo bre- 

 vior, ovatus, recte patens, infernc inllalus, gihhosus, apice planus 

 truncatus, angulo acuto. Amphigastria caulina maxima, reniformia 

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

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

 Reliqua desunt. 



Hab. Madagascar. 



2. Symbyezidium Balfourii (Mitt.) St. 



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



Caulis procumbens, subsimplex. Folia caulina imbricata, convexa, 

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

 Cellulae rotunda'. Amphigastria vuulina caule triplo latiora, rotunda, 

 integra. Perianthia in ramo brevissimo subsessilia, late obcordata, 

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

 Folia involucralia conformia, lobulo parvo, transverse oblongo, apice 

 ohtuso. Ampftigusiv/a flnvn/in o\ali-rotunda integra. 



Hab. Hodriguei Insubr (Africa orientalis). 



Dull 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-caespitosa, flaccida. CaulisaA 5cra. longus, sparsim remoteque 

 pinnatus, pinnis valde imequalibus, hic illic fasciculatim aggregatis. 

 Foha caulina parum imbricata, recte patula, parum concava apiceque 

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



