:\'> OOPELAND. 



2. Rachis glabrous beneath. 

 ;5. Costa strigose beneath. 



4. Segment* 2 to -'5 mm apart 84. C.oyclodonta 



4. Segments close 85. C.andcrsoni 



:i. Costa very scaly beneath 86. C.kingii 



.'{. Costa 1 glabrous beneath or slightly scaly. 

 4. Induaivun at first evident and complete. 

 5. Costa' subscaly beneath, sori costular. 



0. Segments entire, lamina somewhat glaucous beneath. 



* 87. 0. briin(j)iiiinu 



0. Segments serrate. 

 7. Rachis spiny. 



8. Indusium promptly evanescent 88. 0. decipien* 



8. Indusium more persistent 89. C.spinulosa 



7. Raehises not spiny 90. C. mearn.sii 



5. Costa glabrous beneath, sori medial. 

 G. Dried fronds dark-green above. 



7. Pinnules pinnate 81. C.saccala 



7. Pinnules pinnatifid 92. C.rumnsis 



6. Dried fronds whitish above 9.3. C. Icucophacs 



4. Indusium a ring around base of sorus 94. C. junghuhniana 



4. Indusium wanting. 



5. Costa; glabrous above 95. C. mertensiana 



5. Costa? more or less hairy above. 



6. Raehises unarmed 86. C.ornata 



6. Raehises pustulose or spiny. 



7- Pinnules not more than 9 cm long. 



8. Dried frond brown above 97. G. dementis 



8. Dried frond dark-green above. 



8. Costa glabrous beneath 98. C.fauriei 



9. Costa; sparsely scaly beneath 99. C.eonfucii 



7. Pinnules 10 cm or more long. 



8. Pale* at base of stipe white 100. C. contaminans 



8. Palea at base of stipe brown 101. C.fenieis 



1. Cyathea sinuata Hook. & Grev. 



Caudex 1 m high] fronds undivided, 60 to 90 em long, 3 to 6 em 

 broad, sinuate, short-stipitate. 

 Ceylon, known in a single forest. 



2. Cyathea moluccana R. Br. [O. Brunonit Wall.. Hook.). 



Trunk short; stipe 'M) to 60 em or more long; fronds 00 em long, or 

 sometimes much larger; pinna 1 entire or nearly so. 1"> to 35 em long, 

 caiidate-acmninate, oblique at base and short-stalked. 



.Malay Peninsula and Archipelago, at low altitudes; unknown in the Philippines. 



:s. Cyathea hookeri Thwaites. 



Small 1ml arborescent, trunk ;l to 4 em thick; stipe short, black, 

 murieate at base and subpaleaeeous ; frond 60 to ill) cm long, 10 to 13 

 cm broad, pinnate; pinnae with broad base auricled on both sides, nar- 



