232 



POLYPODIACE2E. 



Fig. 161, Aftpleniuiii uiridissimwn HA- 

 YATA ; a, the plant ; b, a scale on the stipe ; 

 % a hair-like scale on the stipe ; cl, a pinnule ; 

 o, apical portion of ihe same. 



latis apice obtusis basi acuto- 

 cuueatis ad petiolulmn 2 mni. longum 

 abeuntibus margine simpliciter 

 vel duplicate dentato-lobulatis, 

 lobulis acutis ; textura lierbacea, 

 pagina supra viridissima subtns 

 minus viridi. Sori sub lobulis phmu- 

 larum primariarum vol secundariamm 

 siuguli obkmgi 2^mm. longi. Pin- 

 H;T> modish et superiores a rhachibus 

 frondium angulo 50divaricat3; piuimo 

 inferiores a rhachibus frondis aiignl<> 

 90 divaricatfie. Hhachis froudis com- 

 planato-teres supra anguste subalata ; 

 rhacliis ])iiniarura prsesertim su]>ori- 

 orum et pinnularum distiucte alata, 

 cum alls ] .V mm. lata ; costis modiis 

 rliaehiarnm t^uuibus utroquo distincte 

 olnvatis, costulis pinnularum supi'a 

 distincte subtns obscure elevatis. 



HL\B. Arisan, leg. B. HAYATA et 

 8. SASAKI, Jan., 1912. 



Near AspLenium Mertensianum 

 KZE., but differs from it by tlio mucli 

 broader fertile pinnules. Also near 

 Asp. ojfine Sw., lut distinguishable 

 from it in having much larger tri- 

 piuuate fronds of herbaceous texture. 



Asplenium Wrightii EAT. var. aristato-serrulatum HAYATA u. v. (Fig. 

 102). Khizoma? Stipes 15cm. longus 2?> mm. in diametro eastaneonigres- 

 cens glaberrimus. Frons in ambitu ovato-lanceolata 50 cm. longa 25 cm. lata 

 apice caudato-acuminata basi in ambitu acuta pinnata, pinna terminal! lineari 

 acuto-nncinato-dentata 7 cm. longa acuminata, pinnis lateralibus inferioril)us 



