POLYPODIACE.E. 



23:; 



lougisssimis lanceolato-linearibus 14-1 5 cm. lougis basi 13 

 mm. latis apice acumiuato-linearibus basi latissimis subito 

 cuneato-acutis ad petiolum 5 mm. lougum abeuntibus 

 margine duplicato-serratis, serris apice uncinato-recurva- 

 tis, pinnis mediis a se 2|-3 cm. remotis, petiolis alatis. 

 Textnra herbacea, pagiiia viridissima, costis et venis 

 utraque pagine elevatis, venis tenuissimis subfurcatis ; 

 rhacliis supra sulcata uigro-castanea glabra inferiore 

 nou alata superiore alata cum alis 2} mm. lata. Sori 

 lineares a prope costas usque ad sinus sen-arum exteusi 

 utroqne latere costse imiseriatim ap- 

 proximatim basi pinnarum usque ad 

 apicem dispositi. 



HAB. Urai, leg. B. HAYATA, 

 Juli., 1912. 



Difi'ers from the type (MAKING 

 PLanerog. et Pterid. I. t. 5) by the 

 more sharp imciiiate teeth curving 

 downwards, more closely arranged sori, 

 and by the much thicker texture. Also 

 near Asp. contiyuum KLF., but quite 

 distinguishable by the sori reaching 

 nearly to the margin. 



Athyrium ROTH. 



Athyrium erythropodum 



HAYATA sp. nov. (Fig. 163). Khizoma? Stipes 40cm. longus gracilis 2 mm. 

 in diametro basi parce squamatus haud nitidus leviter albo-purpurascens. 

 Frons ovato-triangularis SOcm.louga 23 cm. lata apice tenuissime cuspidato- 

 acuminata basi latissima subtruncata bipinnata, piunis inferioribus a se 4 cm. 

 remotis angulo 50 a rhachibus egressis, piuuis mediis longissimis triangulari- 

 lanceolatis 15 cm. lougis 5 cm. latis apice lineari-acuminatis tenuissimis (acu- 

 minibus linearibus versus summum subsubulatis) basi petiolatis (petiolis 5 

 mm. longis), piunulis infimis triangulari-oblongis 3 cm. lougis basi 7 mm. latis 



162 > As i' lenium 



EAT. 



aristato-semdatum HAYATA ; a, the plant ; b, 



a pinna. 



