The Philippine Journal of Science, C. Botany. 
Vol. VII, No. 2. June, 1912. 
NEW SARAWAK FERNS. 
By Edwin Bingham Copeland. 
{From the College of Agriculture, University of the Philippines, Los 
Banos.) 
Marattia Brooksi Copel. sp. nov. 
Stipulis 25 mm long-is latisque; stipite sicco 7 mm crasso, 
deorsum paleis parvis castaneis vestito, sursum rhachique ob 
emergencias carnosas insigniter transversaliter pseudorugosis ; 
fronde tripinnata; pinnis longistipitatis ; pinnis” brevistipitatis, 
ca. 3-paribus ; pinnulis utroque latere ca. 5, infimis solumodo sti- 
pitatis, late cuneatis, argute serratis, acutis vel saepius acumin- 
atis, subcoriaceis, pallidis, superioribus majoribus 5 cm longis, 
12 mm latis; venis simplicibus, sub lente hyalinis; soris a mar- 
gine remotis, 3- ad 7-locularibus ; indusio conspicuo. 
Sarawak, Mt. Poe, alt. 900 m, in damp valley district. Brooks 138. 
Remarkable for the contorted transverse thickenings on the main axis. 
Dryopteris aquatiloides Copel. sp. nov. 
Nephrodium D. salicifoliae subsimile et cum ea confuso; rhi- 
zomate 2 mm crasso, breviter repente; stipite frondis sterilis 
10 ad 15 fertilis 20 ad 25 cm alto, stramineo, sursum minutis- 
sime pubescente, valido, rhachi costique densius pubescentibus ; 
fronde 15 ad 25 cm alta, 12 ad 17 cm lata, pinna apicale aliis 
simile; pinnis utroque latere ca 6, infimis baud diminutis, stipi- 
tatis, praecipue superioribus unilateraliter subauriculatis, usque 
ad 9 cm longis et 1 cm latis, obtusis, inferioribus vel omnibus 
utrinque angustatis, integris vel crenulatis, papyraceo-coriaceis, 
lamina glabrescente ; venulis utroque latere 2 vel 3; soris parvis, 
medialibus, interdum coalescentibus, indusio rudimentario. 
Sarawak, Bungo Range, Brooks 9. 
This is the plant referred to as Dryopteris salicifolia in my description 
of the Papuan D. aquatilis.^ Mr. Brooks has corrected my mistake, which 
was not a verj’^ reasonable one. 
^ This Journal 6 (1911) Bot. 75. 
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