CYATHEAE SPECIES NOVAE ORIENTALES. 
361 
Cyathea hem ichlamydea Copel. sp. nov. 
Stipite nigro, spinis parvis munito, supra paleis atro-castaneis linear- 
ibus rigidis 15 mm longis vestito, infra pinnas infimas reductas remotas 
ca. 30 cm alto, utroque latere faciei superioris serie aerophorum linearium 
ornato ; rhachi infra nigra, tubereulata, glabrescente ; pinna 45 cm longa, 
18 cm lata, sessile, acuminata, rhachi infra minute tubereulata, pilis 
minutis deciduis adspersa, supra pilosa et paleis linearibus sparsissime 
vestita; pinnulis infimis reductis, sequentibus 9 cm longis, 2 cm latis, 
acuminatis, basi subsessile inaequale, fere ad costam supra pilosam infra 
paleaeeam pinnatifidis; segmentis proximis, 3-4 mm latis, apice rotun- 
datis et serrulatis, herbaceis, lamina glabra, costulis supra glabris, infra 
subsquamulif eris ; venis utroque latere ca. 7, inferioribus furcatis; soris 
costularibus inferioribus paullo remotioribus, indusio faciem costularem 
sori solummodo subtegente. 
Borneo, Sambas, Beng Karum Mountain, alt. 900 m, Brooks 102. 
Like G. heterochlamydea Copel. of the Philippines in the peculiar indusium. 
Cyathea inciso-serrata Copel. sp. nov. 
Ehachi brunnea, minute et sparse punctulata, infra glabra vel glabres- 
cente, supra minute velutina ; pinna ca. 50 cm longa, 15 cm lata, sub- 
sessile, acuminata, rhachi infra paleis minutis angustis paucis sparse 
vestita, inerme; pinnulis inferioribus paullo diminutis, sequentibus bre- 
vistipitatis, 8 cm longis, usque ad 25 mm latis, acuminatis, fere ad costam 
in segmenta 4 mm lata obtusa inciso-serrata herbaeea incisis, segmento 
infimo basiscopico reducto integro, costa infra paleis fusco-ferrugineis 
lanceolatis interdum bullatis vestita, supra pilosa; costula supra glabra, 
infra squamulis bullatis caducis vestita; venis bis furcatis, soris in alam 
superiorem insertis, indeque medialibus ; indusio nullo, paraphysibus mul- 
tis, sporangia paullo superantibus. 
Sarawak, Mount Singie, alt. 600 m, Brooks 105. 
Near C. assimilis Hook., but more ample, and exindusiate. 
Cyathea am pi a Copel. sp. nov. 
Apice truncis radices emittente, paleis crinito-subulatis fulvis angus- 
tissimis 2-2.5 cm longis densissime obtecto; stipite basi paleis latioribus 
1-2 cm longis ciliatis ad latera vestito, sursum glabrescente castaneo, 
verruculoso; rhachibus tomento minuto lacerato castaneo partim hie illuc 
deeiduo vestitis, castaneis, inermibus; pinnis stipitatis, medialibus max- 
imis, 40 cm longis, fere 20 cm latis, acutis ; pinnulis stipitatis, inframed- 
ialibus maximis, 10 cm longis, 2.5 cm latis, pinnatifidis vel basi pinnatis 
et pinnulis 11 plerumque adnatis, diminutis; segmentis 6 mm latis, obtusis, 
sursum grosse serratis, herbaceis, lamina glabra, infra pallidiore, costis 
supra minute pilosis, infra rarius costulisque deorsum squamulis minutis 
atropurpureis laceris vestitis; venulis utroque latere ca. 7, inferioribus 
