74 COPELAND. 
6. D. falcatipinnula Copel. spec. nova. 
Stipite pallide brunneo^ 30 cm alto; fronde 25-30 cm alta, 30 cm lata, 
rhachi sparse praecipue sursum pubescente, apud insertiones piiinarum 
adenopliora, pinna apicale aliis subsimile sed latiore; pinnis ca. T-paribus, 
oppositis, 12 cm longis, 15 mm latis, subsessilibus, valde acuminatis, 
infimis nee remotis nee diminutis, fere ad eostam pimiatifidis; segmentis 
infimis brevioribus, majoribus 10-12 mm longis, linearibus, vix acutis, 
falcatis, integris, eoriaceis, ad apices et in sinubus ciliatis, supra glabris, 
infra ad venas et venulas sparse pilosis; venis utroque latere ca. 12, 
simplicibus; soris inframedialibus, indusio briuineo, piloso^ persistente. 
A^o. 11^, in lowlands. 
Xear D. loheriana, but less pubescent, and with narrower and more deeply cut 
pinnae. 
§ Nei'hkodium. 
7. D. cucullata (BI.) Christ. 
Xo. 163, common in grass land. 
Polynesia to the Seychelles. 
8. D. arida (Don) 0. Kuntze. 
Xo, 172, in grass land. 
Malaya, India. 
9. D. paraphysata Copel. spec. nova. 
Fronde 75 cm alta, 30 cm lata; pinna apicale aliis simile, rhachi 
fnsca, minnte sordide pubescente; pinnis infimis utroqne latere una (aut 
pluribus) in auriculam abmpte reductis; maximis 18 cm longis, basi 
2 cm latis, dein sensini ad apicem acuminatum attenuatis, rectis, brevi- 
pedicellatis, ca. | ad eostam pinnatifidis, costa dense, lamina sparis- 
sime setosis, segmentis truncatis, subcoriaceis ; venis simplicibus, utroque 
latere ca. 7, quaruni plerumque 2 anastomosantibus ; soris inf ramedialibus ; 
indusiis inconspicuis (non carentibus), paraphysibus multis, grande glan- 
duloso-capitatis; sporangiis nudi's; sporis spinis paucis longis ornatis. 
No. 306. 
Near D. truncala (Presl) O. Kuntze; the latter is less hairy, liaa a conspicuous 
indusiimi, wants the copious paraphyses, and has the spores covered with short 
tubercles or spines. 
10. D, arbuscu'la (Willd.) 0. Kuntze, sensu lat. 
Xo. 111. 
Polynesia to India. 
D. arbnscula as generally construed contains several apparently distinct plants. 
IL D. dichrotricha Copel. spec. nova. 
Stipite 40 cm alto, brunneo, ubique sparse villoso; fronde ultra 60 
cm alta, 30-35 cm lata, apice pinnatifida longa; rhachi pilis albidis 
\ 
