MATERIALS FOlî A FLOEA OF FORMOSA. 439 



stipitem in longitndino .nequantes, 10 cm. latae, pinnatse, prope 

 apicem lobulatse, apice acuminata), basi latissima3 et truncata), 

 piniiis (infimis longissimis) utraque latere 27, inferioribus 13 mm. a 

 so remotis, a rhachibiis frondiiim angiilo 70° divaricatis siibrectis, 

 sed sensim paullo versus apicem ascendento-recm-vis, subses- 

 silibus vel brevissime petiolatis, inßmis angustatis 9 cm. longis 

 10 mm. latis plus minus ascendento-falcatis vel subrectis, me- 

 diocribus G J cm. longis 13 mm. latis subrectis vel ascendento- 

 recurvatis a basi usque ad prope apicem cequilatis apice obtusis 

 basi valde obliquis (latere superiore latiore basi truncato rhachi 

 frondis parallelo, vel subparallelo recto integro, margine 

 superiore duplicato-serratis) (latere inferiore angusto, margine in- 

 feriore duplicato-serrato basi acuto, prope basin acuto basi a 

 rhachi frondis 1 cm. romoto,) Trondes apice acuminatia?, lobulatœ, 

 lobis obovatis simplicibus vel panci-serratis, llhaches frondium 

 complanatcTD supra sulcatge, (sulco fusco-stramineo), subtus con- 

 vex«^, nitid.ip, pur puree -nigricantes ; costis et venis pinnarum 

 subtus plus minus purpurascente coloratis, supra ecoloratis, 

 venis parallelis angulo 40 a costis divaricatis (inferioribus 

 2 mm. a se remotis), furcatis, ramis superioribus soriferis ; 

 pagina? herbaceo-membranaceœ, supra viridissimœ, subtus paullo 

 });illidi(^]'s vol concolores. Sori utraque latere costne 1-seriatim. 

 dispositi, linonros, ad ramos superiores vennlarum furcatarum 

 latere superiore unidaterales, rarius ad ramos vennlarum bi- 

 laterales. Indnsiiim lunulato-lineare 7 mm. I(~)ngum I inm. 

 latum. 



Hab. Kaliao, leg. K. Miyakf, Oct. 1899 ; Randaizan, leg. B. 

 IIayata et U. Mori, 1908, Oct. 



The present plant was provisionally named A. rahaœnsc by Mr. 

 Y. Tare, l)iit flio species was not lieon described by him, nor was 



