- 279 - 



Sterilis, minor, in foliis vivis arete repens. Gaulis multiramosus, 

 ramis late divergentibus. Folia parva, contigua nusquam imbricata 

 nisi in apice râmorum, oblique — interdum subrecte patula, plana, 

 optime ovata, dorso ampliata caulemque superantia, ibidem conico- 

 denticulata, ceterum margine integerrima, apiee obtusa. G el lui a e 

 foliorum 9 /i, basales 18x27/,?, parietibus validis, antice papillis glo- 

 bosis asperae. Lobulus folii majusculus, folio suo triplo brevior, 

 ambitu obovato-triangulatus i. e. ex angusta basi valde ampliatus, 

 apice truncatus ibidemque spina mediana magna valida et stricta 

 armatus; carina curvata, in folii marginem sine ullo sinu excurrens, 

 papillis altis grosse obtuseque dentata. Stylo nullo. 



Jungle near Klong Munsé and Nipple (alt. 2000 ft.), on leaves of herbs and 

 small shrubs. 



12. C. siamensis St. n. sp. 



Sterilis, minor, subhyalina, in foliis vivis arete repens. Gaulis 

 ad 10 mm. longus, validus, simplex vel pauciramosus, ramis late 

 divergentibus. Folia imbricata, pro planta magna, subcircularia, 

 piano et recte patula, dorso usque ad basin soluta, dein brevissime 

 inserta, integerrima, cellulis digitiformibus limbata, limbo in apice 

 folii latissimo versus basin folii sensim decrescente sub basi desi- 

 nente, cellulis hyalinis papuloso-prominulis formato. Reliquae folii 

 cellulae hexagonae, alte minuteque sexpapillatae, subapicales 

 medianae 8x12//; basi adsunt ocella oleifera 4, aggregata 

 (18x36//). Lobulus parvus, valde rudimentarius (semper ?) plicae- 

 formis, angulo grosse spinoso ; stylo nullo. 



Jungle near Klong Munsé, on leaves. 



Lopholejeunea Spruce. 



13. L. sundaica Steph. Hedwig. 1896, p. 112. 



Jungle near Lem Dan. on trees. 

 A re a : Java. Philippinae Insulae. 



Mastigolejeunea Spruce. 



14. M. Iiiimilis (G.) Steph. Hedwigia 1890, p. 139. 



Jungle near Klong Munsé, on trees. 

 Area: Common in the Sunda Islands. 



Pycnolejeunea Spruce. 



1 5. P. grandiocellata St. n. sp. 



Sterilis, mediocris, pauca fmstula in folio vivo repens. Gaulis 

 ad 15 mm. longus, simplex, validus. Folia conferta, recte patula, 

 subplana, ambitu late ligulata, apice truncato-rotundata, dorso cauli 

 incumbentia similiter truncata. Gellulae optime hexagonae, apice 

 15jte, medio 18//, basales 18x36/i, trigonis parvis. Ocella magna 

 (27 x 45<y.) 6 — 8 aggregata, medio folii inserta, lobulo tarnen ap- 



