POLYPODIACE/E. 



233 



longisssimis lanceolato-linearibus 14-15 cm. longis basi 13 

 mm. latis apice acuminato-linearibus basi latissimis subito 

 cuneato-acutis ad petiolum 5 mm. longum abeuntibus 

 margine duplicato-serratis, serris apice uncinato-recurva- 

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

 Textura herbacea, pagina viridissima, costis et venis 

 utraque pagine elevatis, venis tenuissimis subfurcatis ; 

 rhachis supra sulcata nigro-castanea glabra inferiore 

 non alata superiore alata cum alis 2 mm. lata. Sori 

 lineares a prope costas usque ad sinus serraram extensi 

 utroque latere costse uniseriatim ap- 

 proximatim basi pinnarum usque ad 

 apicem dispositi. 



HAB. Urai, leg. B. HAY ATA, 

 Juli., 1912. 



Differs from the type (MAKING 

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

 more sharp uncinate teeth curving 

 downwards, more closely arranged sori, 

 and by the much thicker texture. Also 

 near Asp. contiguum KLF., but quite 

 distinguishable by the sori reaching 

 nearly to the margin. 



Athyrium BOTH. Fi s- 162 ' As P lenium w^w EAT. var. 



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



Athyrium erythropodum a pinna. 



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

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

 Frons ovato-triangularis 30 cm. longa 23 cm. lata apice tenuissime cuspidato- 

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

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

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

 minibus linearibus versus summum subsubulatis) basi petiolatis (petiolis 5 

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



