POLYPODIACE^E. 



281 



unicellularibus. Textura herbacea in exsiccato membranacea, pagina supra 

 fuscens subtus pallidiora ; pinnis inferioribus a rhachide frondis angulo 70 

 egressis superioribus angulo 40 egressis, infimis plus minus reflexis deorsum 

 recurvis, pinnis caateris subrectis vel sursum tenuiter recurvis; costae lobulorum 

 inferores a rhachide pinnarum angulo 70 egressaa rectse. Sori a basi frondis 

 usque ad infra pinnam terminalem (partibus superioribus lobulorum et acumini- 

 bus pinnarum exceptis) dispositi. 



HAB. Kotosho, leg. T. KAWAKAMI et S. SA- 

 SAKI, Juli. 1912. 



Dryopteris morrisonensis HAYATA (Fig. 

 108-A et B) Mater. Fl. Formos. p. 450. Dry- 

 opteris spinulosa 0. KTZE. var morrisonensis 

 HAYATA Mater. Fl. Formos. p. 422. 



HAB. Mt. Morrison, ad 12500 ped. alt., leg. 

 U. MORI, Oct. 1906, (No. 2500). 



Very near 

 Lastrea Filix- 

 Mas var. odon- 

 toloma MOORE, 

 (BEDD. Fern. 

 Brit. Ind. t. 

 373), but differs 



from it in having bipinnate fronds and denti- 

 culate (but not laciniate) indusiuni. 



Dryopteris oppositipinna HAYATA Mater. 

 Fl. Formos. p. 450. Athyrium oppositipinnum 

 HAYATA Mater. Fl. Formos p. 441. 



HAB. in Monte Morrison, leg. T. KAWAKA- 

 MI et U. MORI, Oct. 1906, (No. 1863). 



Dryopteris mingetsuensis HAYATA sp. 

 nov. (Fig. 109-A-B). Bhizoma crassiusculum as- 

 eendens dense squamatum. Stipes 22cm. longus 

 basi 5 mm. latus intus (supra) profunde sulcatus 



Fig. 1O8-A, Dryopteris mor- 

 risonensis HAYATA ; a, b, c, sori ; 

 d, a portion of a pinnule. 



Fig. 1O8-B, Di-yoptens 

 momsonensis HAYATA x T 8 3- 



