POLYPODIACE.E. 



205 



toto glaber. Frons triangnlari-rhomboidea 30-40 cm. longa totinsqne lata 

 quadripinnatifida vel tiipinnata (pinnis ordinis teiiii pinnatifidis) apice 

 triangnlari-acuta. pinnis inferioribus a se 5-6 cm. remotis a costa angiilo 60° 

 divaricatis ; pinna infima 20 cm. longa obliquo trianguLari 14 cm. lata apica 

 acuminatissima breve petiolata, pinnulis I. infimis triangulari-lanceolatis 8 cm. 

 longis 4-5 cm. latis a se 3 cm. remotis breve petiolulatis, pinnulis II. oblongis 

 2 J cm. longis brevissime petioliilatis pinnatifidis, segmentis infimis 8 mm. longis 

 inciso-lobatis, lobis oblongis 1-2 mm. longis apice obtusis vel acutis ; rbachis pin- 

 narum tenuiter alata ; textura herbaceo-membranacea utraque pagine glabra. 



Hab. Taito : Daironkosha, leg. U. MoBi, 1908, Nov. (No. 2359) ; Musha 

 (No. 2408) ; Arisan, leg. B. Hayata et S. S.vsaki, 1912, Jan. 



Near D. huUata Waix., but diifers from it by the thinner testm-e ancl 

 by the sliape of the sorus-bearing lobes. 



Leucostegia Presl. 



Leucostegia parvipinnula Hayata n. n. (Fig. 139). DavalUa parvi- 



Fig. 139, DiwallUi pircipinnida Hayata ; a, the plant ; b, a scale on the rlaizome; 

 a scale on the stipe ; d, a stipu]e-like scale on the mmificatiou of a pinmile ; e, a portion 

 a pinnule ; e ', a ]X)rtion of the same ; f , a, segment of a ultimato pinnule with a sorus ; 

 another segment of the same. 



