POLYrODIACE.^:. 



233 



longisssiinis lanceolato-linearibus ]4-15cm.longis basi 13 

 mm. latis apice acuminato-linearibus basi latissimis subito 

 cnneato-acutis ad petioluin 5 mm. longiim abeuntibus 

 margine duplicato-serratis, serris apice uncinato-recmTa- 

 tis, pinnis mediis a se 2S-3 cra. remotis, jjetiolis alatis. 

 Textura Lerbacea, pagina Tiridissima, costis et yeuis 

 utraque pagine elevatis, venis tenuissimis subfurcatis ; 

 rliachis suxjra sulcata nigro-castanea glabra inferiore 

 uon alata superiore alata cum alis 24 mm. lata. Sori 

 lineares a proxje costas nsque ad sinus serrarum extensi 

 utroque latere costa? nniseriatim ap- 

 proximatim l)asi piuuarum usque ad 

 apicem dispositi. 



H.\B. Urai, leg. B. Hayata, 

 Juli., 1912. 



Diii*ers from tlie type (MAKrN'0 

 Pbauerog. et Pterid. I. t. 5) by tlie 

 more sliarp unciuate teetli cmTiug 

 downwards, more closely arfangedsori, 

 and by the much thicker texture. Also 

 near Asp. contkjimm Klf., but quite 

 distiuguishable by the sori reachiug 

 nearly to the margin. 



Athijrhun Eoth. 



Athyrium erythropodum 

 Hayata sp. nov. (Fig. 163). Rliizoma? Stipes 40 cm. longus gracihs 2mm. 

 in diametro basi parce squamatus haud nitidus leviter albo-pm-purascens. 

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

 acumiuata basi latissima subtruucata bipiuuafci, piuuis iuferioribus a se 4 cm. 

 remotis angiilo 50° a rhachibus egi-essis, piunis medits longissimis ti'iaugulari- 

 lanceolatis 15 cm. lougis 5 cm. latis apice hneari-acuminatis tenriissimis (acu- 

 minibus lineai-ibus versus summum subsubuLatis) basi petiolatis (petiohs 5 

 mm. longis), piuuuhs infimis triaugulari-oblougis 3 cm. lougis basi 7 mm. latis 



Fig. 162, Asiilenium JI>(jWu Eat. var. 

 aristato-sm-ulatum Hatata ; a, the plant ; b, 

 a pirma. 



