238 



rOLYPODIACE.E. 



bipinnata, piunis inferioribus lougissimis superioribus minoribus sursuni ad 

 pinnas simplices lanceolatas reductis, pinnis inferioribus petiolatis (petiolis 

 3-4 cm. longis) a se 13 cm. remotis piimatis utroque latere rhachis fron- 



dis 6-7 ; pinnis superioribus simplicibus (i.e. 

 non pinnatis) utroque latere 8 ; pinnis inferi- 

 oribus pinnatis lanceolatis 30 cm. longis basi 

 latissimis ^basi 16 cm. latis apice cuspidato-acu- 



miuatis basi t run cat is, 

 & *& pinuulis utroque latere rha- 



chis pinnae 14, piuuula ter- 

 miuali lauceolata iis superi- 

 oribus lateralibus majore, 

 pinnulis infimis maximis 

 linear i-lanceolatis 9 cm. 

 longis 12 mm. latis apice 

 1 i n e a r i - recto - acuminatis 

 basi trnncatis margine 

 minute regulariter denti- 

 culato-serrulatis, partibus 

 basilaribus truncatis iu- 

 tegris petiolulatis, petio- 

 lulis 1 cm. longis; pinnulis 



Fig. 166, Conlogramme parvipinnula HATATA 

 plant ; b, a pinnule ; c, a portion of the same. 



a, the 



superioribus vel pinnis superioribus minoribus lauceolatis sessilibus 27 mm. 

 longis 6 mm. latis ; pinnis a rhachibus froiidium augulo 45, pinnulis a rhachi- 

 bus pinuarum angulo 80-90 egressis ; veiiis toto liberis furcatis, ramis ad 

 prope apicem serrularum attingentibus, ramis ad apicem clavatis. Texfcura 

 herbaceo-membraiiacea. Sori liueares a costa usque ad 4? secus venas extensi. 

 Indusium nullum. 



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



I have much hesitated to describe this fern as a species distinct from 

 C.fraxinea FEE. In general appearance, the former greatly differs from the 

 latter in having bipinuate fronds with far much smaller pinnules. In close 

 examination, however, the pinnae and pinnules of our fern show many trail- 



