rOLYPODIACE^E. 



205 



toto glaber. Frons triangulari-rhomboidea 30-40 cm. longa totiusque lata 

 qtiadripinnatifida vel tripinnata (pinnis ordinis tertii pinnatifidis) apice 

 triangulari-acuta, pinnis inferioribus a se 5-6 cm. remotis a costa angulo 60 

 divaricatis ; pinna infima 20 cm. longa oblique triangulari 14 cm. lata apice 

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

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

 2 cm. longis brevissime petiolulatis pinnatifidis, segmentis infimis 8 mm. longis 

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

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



HAB. Taito : Daironkosha, leg. U. MORI, 1908, Nov. (No. 2359) ; Musha 

 (No. 2408) ; Arisan, leg. B. HAYATA et S. SASAKI, 1912, Jan. 



Near D. luLlata WALL., but differs from it by the thinner texture and 

 by the shape of the sorus-bearing lobes. 



Leucostegia PRESL. 



Leucostegia parvipinnula HAYATA n. n. (Fig. 139). DavaUia parvi- 



Fig. 139, Davallia parvipinnula HAYATA ; a, the plant ; b, a scale on the rhizome ; 

 c, a scale on the stipe ; d, a stipule-like scale on the ramification of a pinnule ; e, a portion 

 of a pinnule; e r , a portion of the same; f, a segment of a ultimate pinnule with a sorus; 

 f, another segment of the same. 



