MATERIALS FOR A FLORA OF FORMOSA. 417 
inferioribus et infimis reflexis, pinnis infra medium frondis longis- 
simis 10 em. longis 2 em. latis apice acuminato-linearibus a medio 
usque ad basin quilatis, pinnis infimis brevissimis  reflexis 
angulo 150° a rhachibus patentibus 24 em. longis 1 em. latis, 
pinnis utraque latere frondium 30, a se 1-14 cm. remotis ; 
rhaches supra sulcate pilosa squamate, rhachille supra suleate 
dense rubro-hirsute subtus paucissime pilose, squamis lanceolatis 
1-2 mm. longis basi ventricosis instructis; pinnule ad medium 
pinnarum late lineares 1 cm. longe 3 mm. late sessiles squilatee, 
obtuse dentate, (dentibus utraque latere 3-4-5 plus minus ascen- 
dentibus vel transversis obscuris), supra densiuscule subtus parcis- 
sime strizoso-pilose, (pilis rigidis crispatis 1 mm. longis), margine 
plus minus revolute, (venulis liberis), sub quoque dente 1-sorifere, 
rarius 2-soriferee. Sori depresso-orbiculares, 1 mm. in diametro, 
receptaculis a margine 4 mm. remotis, indusiis generaliter obsoletis 
rarius late orbicularibus cordatis. 
Has. Randaisan, leg. U. Mort, 1908, Aug. (No. 7134). 
Near D. Filix-mas Scuott, but differs from it in the position 
of sori which are very near the margin. 
Dryopteris lasiocarpa Hayara sp. nov. Stipites glabri stramineo- 
flavescentes, 15 em. longi, supra profunde 1-suleati, subtus 
convexi, 6 mm. lati. Frondes herbacesx, hirsute, ovate, 67 cm. 
longe 35 cm. lata, apice caudato-acuminate basi obtuse, 
bipinnatz, pinnis pinnatis a medio deorsum equilongis 23 em. 
longis ovato-acuminatis patentibus a rhachibus angulo 70 divari- 
catis, pinnis a medio sursum gradatim brevioribus in pinnas 
pinnatifidas vel lobulatas abeuntibus; pinna terminali caudato- 
acuminato ; pinnis inferjioribus lanceolato-ovato-acuminatis 23 em. 
longis 8 cm. latis suboppositis a se 6-7 em. remotis pinnatis, 
