j\IATErJALS FOR A FLOKA OF FOEMOSA. 419 



horbaceo-ineinbraiiciccw ovattC 20 cid. longed', 13 cm. latœ, remote 

 l)i-})iiniat;c, sed siirsum simpliciter pimiatao, pimiis iitraque 

 latere 1 1 .sul)rectiö [Aim minus ascenderxto-recurvatis a liiachibus 

 fruiidiuiu angido 00 divaricatis, petiolatis, (petiolis i-1 cm. 

 loiigis) ; piimis inferioribiis rectis ascendentibus longissimis 

 11 cm. loiigis a se 4 cm. remotis ovatis 4 cm. latis apice 

 acuminatis (acumiiiibus liiiearibiis serratis) remote pimiatis, 

 })iimiilis inferioribus obtune laiiceolatis 2 cm. longis 1 cm. 

 latis apice obtusis vel acutis basi cmieatis inferioribus a 

 se I cm. remotis margine dentatodobatis, (lobis utraque latere 

 4 elongate quadrangularibus apice truncatis margine pins 

 minus obscure aristato-serriilatis vel integris) ; rliaclies frondium 

 complanata; supra et latere sulcata), subtus convexœ ; rhaches 

 pinnarum subalatac ; venulis apice furcatis, ramulis prope marginem 

 evanescentibus apice plus mimis clavatis. Sori sub qnoque lobo 

 pinnnlarum prope costas generaliter ] , vel ad lobos inferioribus 

 2-3, ad ramulos superiores venularum furcatarum dorsales, (novelli 

 indusiis subhypogynis perfecte inclusi). Indusium unilateraliter 

 ai)ertiens, reniforme-cordatum :| mm. latum, '^ mm. longum. Indusium 

 ante apertiens sacciforme, I'eniforme, depressum, supia minute et 

 l)revissime ulandulosodn'rtellum (pills glandulosis brevissimis 

 globidis capitatis), subtus iiuduni, sorum perlecte includens. 



Hajj. Nagotake, Liiikiii, leg. S. Tanaka et Y. Tashieo, (No. 

 201) ; Haneshiyama, lag. G. Nakahaka. 



1)tsti;i];. lAjrmosa. 



Tlic indusium ()]■ ( lie jircsciit J'cru is, when openetl, reniformed 

 or sli-lill\' conhite. 11 is ndaclicd ;i( the cud of the cordate 

 notch, in flie ;ixis of the recei:)tacle on a branch of a veinlet. 

 ll I'ciniiids IMC of i]\r >i)Vi [){' I )i\ii()i)l(U'i>> MüMinoirirz'll (). JvivA''. The 

 indusium is, hd'orc cpciudiL;, iii^c a cushion-formed sac which 



