FERNS OF THE .MALAY-ASIATIC EE6ION. 31 



11. Sparse long hairs an cost* beneath 50. C.korthalaii 



10. Scales on costue light 57. C. hyntenodes 



8. Indusium opening to form a cup with entire rim. 



58. C. orientalia 



8. Indusium forming a low cup from the start 69. ('. walkerae 



8. Indusium wanting. 



9. Rachis unarmed- (id. ('. modesta 



9. Rachis asperulous. 



10. Lamina glabrous (ii. ('. metanoptu 



10. Lamina eiliale benea'th 02. ('. Wallace* 



7. Sori medial. 



8. Segments not coarsely toothed 0,'J. ('. ferruginea 



8. Segments coarsely toothed 64. C. axsimilis 



0. Lowest segments free but adnate. 

 7. Pa lea' on costa? fairly copious. 



8. Costal paleae pale, bullate 65. ('. negrosiana 



8. Costal pales fulvous or rufous. 



9. Pinnules 5-7 cm long <;o. C.christii 



9. Pinnules 8-12 cm long— 07. C.alderwereltix 



7. PaleiP on costae very sparse or none. 



8. Indusium a low cup 59. V.toalkerae 



8. Indusium evident and at first complete. 



9. Segments crowded — 08. V. culloso 



9. Segments not at all crowded 80. ('. halconenais 



6. Lowest segments free and contracted at base. 



7. Lamina lacerate-scaly beneath 70. C.celebica 



7. Lamina minutely paleaceous or glabrescent ; indusium evanescent. 



71. C. tetjaamnnii 



7. Lamina glabrous; indusium persistent 40. C.tnitrata 



7. Lamina glabrous or sparsely hairy; indusium wanting or incon- 

 spicuous. 



8. Lowest pinnules defiexed 72. Cpuatutom 



8. Pinna 1 short-stalked, pinnules not dehVxed. 

 9. Costa without setiferous scales. 

 10. Secondary rachises visibly spiny. 



11. Rase of stipe without whitish paleee. 



12. Costae scaly beneath 78. ('. latcbrosa 



12. Costa 1 glabrous beneath 74. ('. curnuiii 



11. Rase of sti(K' with broad white and narrow brown pales. 



75. ('. ca loco n hi 



10. Secondary rachises not visibly rough 70. ('. oaudata 



9. Costa with setiferous as well as bullate scales.... 77. ('. elmeri 

 4. Costa hairy beneath. 



5. Indusium persistent and glandular 78. C. adenochlamya 



5. Indusium thin, not glandular. 



0. Pinnules cut to the costa 79. C. leucotrichu 



0. Pinnules cut to a narrow wing 80. 0. burbidgei 



5. Indusium evanescent or none. 



7. Secondary rachises very scaly 81. C. albosetacea 



7. Secondary rachises not very scaly. 



8. Lamina glabrous, sori costular 82. C. ohinenais 



8. Lamina hairy, sori medial 83. ('. trichodesma 



