MATERIALS FOR A FLORA OF FORMOSA. 423 
reticulatis margine subintegris intus saccato-concavis, superioribus 
minoribus paucis. Frondes ovate vel elongato-ovatse herbaceo-mem- 
branacee 17 em. longe 11 cm. late apice acute basi obtuse bipin- 
nate, partibus infimis subtripinnatis ; pinnis infimis longissimis 6 em. 
longis 4 em. latis oblique triangularibus, latere inferiore latiore 
24 cm. lato infima latere superiore angustiore 14 cm. lato, pinnula 
superiore (latere superiore) a rhachibus frondium 2 mm. remota, 
pinnula infima inferiore (latere inferiore) a rhachibus frondium 
7 mm. remota; pinnis mediocribus angustatis 4$ cm. longis basi 
2 em. latis a basi sursum gradatim angustioribus, apice ob- 
tusis pinnatis, pinnulis elongato-quadrangularibus inferioribus 
1 em. longis 5 mm. latis a basi latissimis ima basi contractis, 
subsessilibus margine inciso-dentatis, (dentibus utraque latere 
4-5, ascendentibus quadrangularibus, apice acutis paucissime serratis 
serris utraque latere dentium 1-2, acutis); pinnis generali- 
ter a rhachibus frondium angulo 70° divaricatis, rectis vel plus 
minus recurvis. Rhaches frondium supra tenuissime 2-sulca- 
tee vel 1-suleatee inferiore 1§ mm. late squamate, superiore 
nudz subcomplanate, subtus convexe glabre nude; rhaches 
pinnarum et pinnularum sulcate, squamate vel subnude vel nudzx 
clabree complanate; pagine utraque glabre, venis ct venulis 
simplicibus liberis. Sori ad basin quoque dentium 1, globosi 
1 mm. in diametro latere ramorum superiorum  venularum 
furcatarum dispositi. Indusium cordatum margine — brevissime 
eroso-denticulato-ciliolatum. 
Has. in monte Morrison, ad 12000 ped. alt., leg. T. Kawakami 
et U. Mori, 1906, Oct. (No. 2500). 
Very near Nephrodiwm dilatatum and also N. Copelandi Cunist., 
but differs from both by the lobes of the pinne, 
