234 



apice acutis basi late acutis vel rotundatis petiolulatis 

 (petiolulis 3 mm. longis), pinuatifidis, segmentis infimis 

 oblongis 8mm. longis 3 mm. latis apice apiculato-acutis basi 



cuneatis contractis. Textura her- 

 bacea. Sori utroque latere secus 

 costulas segmentorum 1-seriatim 

 dispositi semi-oblongi recurvati. 

 HAB. Monte Arisan, leg. 

 B. HAYATA et S. SASAKI, Jan., 

 1912. 



Near Athyrium macrocar- 

 pum (BL.). 



Athyrium reflexipinnum 



HAYATA sp. uov. (Fig. 164). 

 Rhizoma erectum longiusculum 

 cum reliquis stipitum 1 cm. in 

 diametro. Stipes caespitosus 

 usque 5 cm. longus stramineus 

 basi squamatus sursum glaber, 

 squamis lineari-lanceolatis usque 

 7 mm. longis | mm. latis apice 

 subulatis basi lutissimis truncatis 

 fuscentibus. Frons lauceolata 

 vel ovato-lanceolata 11 cm. longa 

 3 cm. lata apice acuminatissima 

 (acumine lineari) basi in ambitu 

 obtusa pinnata, pinnis patenti- 

 bus superioribus a rhachibus 50- 

 60 egressis, mediis horizontali- 

 ter patentibus, inferioribus desuper reflexis, mediis longissimis, infimis 

 brevioribus, superioribus brevioribus versus summum ad dentem acuminis 

 reductis, mediis a se 1 cm. remotis triangulari-laiiceolatis 2 cm. longis 12 mm. 

 latis apice acutis basi tnmcatis sessilibus basi latere superiore latioribus 



Fig. 163, Atkgriwm erythropodum HAYATA ; 

 a, the plant ; b, a scale on the stipe ; c, a pin- 

 nule; d, a sorus of the Athyr'mm-type. 



