288 COPELAND. 
2. Loheri 
TO THE PHILIPPINE SPECIES. 
Frond thin and herbacoons, or subfleshy, paleae thin, usually pale, 
roots not coarse and black. 
Sori all or many dryopteroid. 
Frond less than 15 cm high including stipe l.JiyaJostegium 
Frond taller, stipes clustered. 
Frond deltoid 
Frond not deltoid '^- ^alconense 
Sori elongate, straight, curved or double. 
Rhizome long-creeping, ^margin mostly entire. 
Frond lanceolate-oblong, pimiiE incised -; Z. japonicum 
Frond lanceolate, only the lowest pinnie incised. 
Palese of stipe 5 mm long b.acrotxs 
Pale® shorter 4. grammitoides 
Fronds clustered, margins toothed. 
Pinnae cut to a winged rachis - 8. anisopierum 
Bipinnate. pinnules cuneiform 32. geophilum 
Bipinnate, pinnules round-ovate, merely toothed \0. philippinense 
Pinnules almost or quite pinnate. 
Ultimate divisions small and narrow d. aristulaium 
Ultimate divisions broad and ample U, stramincum 
Frond harsh, sori dryopteroid 6. drepanopteron 
Frond herbaceous, palese brown, roots dark and rigid. 
Tndusium none -- - 13. Ehneri 
Indusium present • -- H. hrevipinnuluni 
Frond membranaceous, palea; and roots black, sori not costular.... 2<y. meyenianum 
Frond herbaceous, palese and roots black, sori costular 12. nigripes 
Frond harsh, papyraceous or coriaceous, paleee and roots usually 
black, sori elongate. 
Frond tripinnate, or pinnules cut | to the midrib. 
Ultimate segments inciso-crenate IQ.silvaticum 
Ultimate segments entire or serrate. 
Segments about 5 mm wide - n. platyphyllum 
Segments narrow. 
Stipe spiny, pinn* many 20. Blumet 
Stipo smooth, pinnae few. 
Segments sharply toothed 17. atratum 
Segments almost entire. 
Pinn« opposite 18- oUgosorum 
Pinniv alternate '. 19. silvaticum 
I'rond bipinnate, veins free. 
Lobes of pinnules broad, lowest sori long, curved. 
Pinnules very acuminate, sori remote from margin 24. davaocnse 
Pinnules acuminate, sori nearing margin 22. dolichosorum 
Pinnules obtuse, all rachises scaly - 2S.v€stitum 
Ix>bes narrow, sori not very long nor curved. 
Stipe and rachis aculeate 21. fruciuosum 
Stipe and rachis not spiny. 
Pinnules not very oblique. 
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