POLYPODIACEJE. 209 



segmenta pinnulse terminalis abeuntibus, pinnulis infimis 5 cm. a se remotis 

 petiolulatis (petiolulis 2 cm. longis) triangulari-lanceolatis 22 cm. longis 8 cm. 

 latis apice recto-acuminatis basi latissimis triangulari-truncatis deorsum fere ad 

 rhachin inciso-lobatis sursum dentatis, segmentis vel lobis infimis triangulari- 

 ovatis 4 cm. longis 2 cm. latis plus minus falcatis vel rectis apice acutis latere 

 superiore latioribus margine subcartilagineo-marginatis serratis, serris acutis, 

 segmentis lobis superioribus gradatim minoribus apice acutis vel obtusis 

 sursum rotundatis gradatim minoribus sursum ad crenam reductis; pinnis 

 inferioribus a se 25 cm. remotis, a rhachibus angulo 60 divaricatis ; rhachis 

 frondis inferiore recta sed superiore repando-flexuosa, rhachis pinnularum 

 efc costa segmentorum repando-flexuosa superne non elevata dense hirsuta 

 (pilis recurvis brevissimis) subtus elevata glabra, costis segmentorum a 

 rhachibus pinnularum angulo acuto divaricatis, venis lateralibus supra non 

 visis subtus tenuissime elevatis distinctis liberis simplicibus vel furcatis, 

 venulis rectis; pagina superne glabra nitida viridis subtus sub lente pilis 

 miuutis parcissime dispersa ; textura membranacea vel tenuiter coriacea. Sori 

 sub serris singulis loborum solitariter siti ab apice serrarum 2-1 mm. distantes 

 venulas terminantes. Indusium reniforme 2 mm. latum 1 mm. longum margine 

 superiore liberum crenulatum margine inferiore adnatum. 



HAB. Arisan : Arisan-Tozan, ad 8-9000 ped. alt., leg. B. HAYATA et S. 

 SASAKI, 1912, Jan. 



Humata grandissima HAYATA in sched. herb. Taihoku. 



Near DavaUia platyphylla DON (HooK. et BAKER Syn. Fil. p. 99.= Micro- 

 lepia platyphylla (MOORE) BEDD. Fer. South Ind. t. 13) and D. lonchitidea WALL. 

 HK. Sp. Fil. I. p. 173 t. 46, Brit. Exot. Fern. t. 19) ; but differs from them by 

 the much larger fronds with more shallowly lobed pinnas and pinnules. The sori 

 are very much like those of Humata. The specimen lacking rhizomes, it is at 

 present impossible to decide whether this is referable to Microlepia or Humata. 



Microlepia subpinnata HAYATA, sp. nov. (Fig. 141). Rhizoma sub- 

 repens teres 2-3 mm. in diametro pilis obtectum, pilis rubro-castaneis 

 mm.-l mm. longis. Stipes 20 cm. longus intus (supra) profunde sulcatus 

 subglabratus brevissime hirsutus. Frons ovato-lanceolata 50 cm. longa 24 cm. 

 lata apice acuminata basi obtusa ad medium latissima subbipinnata vel 



