POLYFODIACKE. 



bipinnata, pinnis inferioribus longissimis superioribus miuoribus sursum ad 

 pinnas simplices lanceolatas reductis, pinnis inferioribus petiolatis (petiolis 

 3-4 cm. longis) a se 13 cm. remotis piunatis 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- 



minatis basi truncatis, 



f 



& ^ pinnulis utroque latere rha- 



chis pinnso 14, piimula ter- 

 minali lanceolata iis superi- 

 oribus lateralibus majore, 

 pinnulis infimis maximis 

 linear i-lanceolatis 9 cm. 

 *- longis 12 mm. latis apice 

 lineari- recto - acuminatis 

 basi truncatis margine 

 minute regulariter denti- 

 culato-serrulatis, partibus 

 basilaribus truncatis in- 

 tegris petiolulatis, petio- 

 lulis 1 cm. longis; pinnulis 



Fig. 166, Confogramme parvipinmda HAYATA 

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



n, the 



superioribus vel pinnis superioribus minoribus lanceolatis sessilibus 27 mm. 

 longis 6 mm. latis ; pinnis a rliacliibus frondium angulo 45, pinnulis a rhaclii- 

 bus pinnarum angulo 80-90 egressis ; renis toto liberis furcatis, ramis ad 

 I>rope apicem serrularum attingentibus, ramis ad apicem clavatis. Textura 

 lierbaceo-membranacea. Sori liueares a costa usque ad | secus veuas extensi. 

 Indusium nullum. 



HAB. Arisan, 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 bipinnate fronds with far much smaller pinnules. In close 

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



