HYMENOrH YLL ACE/E . 



141 



ordinis I. mediis ovato-triangularibus a se 1 cm. remotis a rhachibus froudis 

 50-60 egressis 5 cm. lougis 3 cm. latis, piuuis ordinis II. iufimis ab axilla 

 inter frondem et piuuam infimam ordinis I. 5 mm. distantibus ovatis 2 cm. 

 longis 1^ cm. latis apice obtusis basi oblique truucatis piunatis vel bipinuati- 

 fidis, segmentis ultimis linearibus } mm. latis apice obtusis vel brevissime 

 2-lobatis vel soro terminatis, sub soro valde coustrictis, partibus coustrictis 

 -| mm. latis -J mm. lougis stipitiformibus. Frous pagine utraque glabra, costis 

 veuis venulisque utraque elevatis, margiue iutegra ; rhachis frondis deorsum 

 interrupte angustissime alata sursum distincte alata ; rhachis piuuarum dis- 

 tiucte alata. Involucrum ad basin 2-valvatim fissum bivalvatum terminale 

 rotundatum latins quam longius 1 mm. lougum margiue subiutegram vel obscure 

 deuticulatum. 



HAB. Arisan, leg. B. HAYATA et S. SASAKI, Jan., 1913. 



Near H. polyanthos, but differs from it by the broadly r >im 1 receptacles 

 with short stalks. 



Hymenophyllum javanicum SPRENG. (Fig. 81). 



HAB. in monte Arisau, ad 7000-8000 ped. alt., j 

 leg. B. HAYATA et S. SASAKI, Jan., 1912. 



Compared with a Japanese specimen so labelled 

 in the Tokyo herbarium. Our fern looks to be a 

 little different from it in having much broader lobes 

 of the pinnae. 



Hymenophyllum parallelocarpum HAYATA 

 sp. nov. (Fig. 82). Bhizoma repens gracillimum % mm. 

 in diametro sectionis teres rubesceus piloso-squamatum, 

 pilis uigro-castaneis, remote radicans, radicibus pilosis. 

 Stipes cum fronde perpendiculariter peudulus 2-2* 

 cm. longus gracillimus atro-castaneus glaber basi 

 piloso-squamatus, squa- 

 mis piliformibus 

 nigro-castaneis. Frons 

 oblongo-lanceolata vel 

 obovato-lanceolata Fig. 8 1 , Hymenophyttum jav minum 



