94 



as a nile ohluse. Soiiic ol' Ihe leavcs are gcininilorous helow apex. 

 — l-^oin 1). crendlo-serrdtum (Bl.) our plant difiers hy ils gracile 

 stipo and nincli shoitor pinna*. 



Diplazium acanthopus n. sp. 



EudipUizium rhizoniale verisimiliter rei)ente, lignoso, apicc S(jua- 

 mis (luris ovalo-ohlongis inlegris, magnis, discoloiihus (pagina in- 

 Icriore nitida alio-hrunnea, cxtcriorc opaca, brunnea), dcnsc vcstilo. 

 Slipilihus ia.sciculati.s, ha.si nigrescente 0.8 cm cras.sis, snrsuni hriin- 

 neo-slramineis supernc hisulcatis, strictis, ad 40 cm longis, pilis 

 applanatis saepe paleiformibus adprcssis, minutissime puberulis de- 

 nique glabrali.s, et scpiamis discoloribus ovatis vel fcre orbiculari- 

 bus (2 — 2 V2 mm diametro) .siibintegris ad spinas peltatim adCixis, 

 deniffue deciduis et ergo stipitibus spini.s nigiis reclis (laro apice 

 curvati.s) 1^ — 1 V2 mm longis spinosis. I^amina bipinnata, crasse 

 coriacea, subtus pallide viridi, in specimine incompleta, probabili- 

 ter vix ultra 50 cm longa, rachi stricta, aspera, protunde sulcata; 

 [)innis 3 utroque lalcre (parte superiore laminae deficiente), 7 cm 

 inter se remotis, subalternis, oblongis, 26 cm longis (imis paulo 

 brevioribus) 8 cm latis petiolo 3 cm longo stipitatis, acutis, pinna- 

 lis, costis asperulis (ex paleis deciduis) supernc late sulcatus, sulco 

 brevissime puberulo; paginis glaberrimis. Pinnulis liberis c. 10 

 utrocpie latere, interioribus sessilibus basi truncata, medialibus late 

 adnatis, inlimis paulo brevioribus, medialibus 4 — 5 cm longis, 

 1 V4 — 1 V2 cm latis, 1.7 cm inter se remotis, recte patentibus, 

 oblongis, superioribus confluentibus apice abrupte acutis vel acu- 

 minatis, marginibus rotundato-dentalis vel crenatis, dentibus ob- 

 tusis subtruncalisve, saepe emarginatis. Venis obscuris i)innatis 

 vel si mavis })is — ter iurcatis, flexuosis. Soris a costula remotis, mai- 

 gini magis api)roxiniatis, inaecfualibus, 2 — 6 mm longis, majoribus 

 plerumque diplazioideis, indusiis coriaceis crenatis, ad maturitatem 

 sporangiorum deciduis. 



Goerocpahi, 600 m, o))en place in primccval lorest, 19. 3. 1917 

 'no. 14). 



In shape and cutting this species resembles closcly I), ncstitiim Presl. 

 Irom the Fhilippine Islands, known to me only from descriptions 

 and Hookkh's figure (2. cent t. 46), which iigure very well also 

 illustrate our s])ecies, jjubescence and sori not considercd, still it 

 seems justitied to describe it as a new species because the essen- 



