FERNS OF THE MALAY- ASIATIC REGION. 
31 
II. Sparse long hairs on costas beneath 56. G.korthalsii 
10. Scales on cost* light - 57. C. hymenodes 
8. Indnsium opening to form a cup with entire rim. 
58. G. orient a Us 
8. Indnsium forming a low cup from the start... 59. G. walkerae 
8. Indnsium wanting. 
9. Rachis unarmed 60. C. modesta 
9. Rachis asperulous. 
10. Lamina glabrous 61. G. melanopus 
10. Lamina ciliate beneath 62. G. Wallace i 
7. Sori medial. 
8. Segments not coarsely toothed 63. C. ferruginea 
8. Segments coarsely toothed 64. C. assimilis 
6. Lowest segments free but adnate. 
7. Pale* on cost* fairly copious. 
8. Costal pale* pale, Imllate 65. G. negrosiana 
8. Costal pale* fulvous or rufous. 
9. Pinnules 5-7 cm long 66. C. christii 
9. Pinnules 8-12 cm long 67. G. ahlcrwereltii 
7. Pale* on cost* very sparse or none. 
8. Indusium a low cup 59. G. walkerae 
8. Indusium evident and at first complete. 
9. Segments crowded 68. G. callosa 
9. Segments not at all crowded 69. G. halconensis 
6. Lowest segments free and contracted at base. 
7. Lamina lacerate- scaly beneath '.... 70. C. celebica 
7. Lamina minutely paleaceous or glabreseent; indusium evanescent. 
71. C. teysamnnii 
7. Lamina glabrous; indusium persistent 40. G. mitrata 
7. Lamina glabrous or sparsely hairy; indusium wanting or incon- 
spicuous. 
8. Lowest pinnules deflexed 72. G.pusiulosa 
8. Pinn* short-stalked, pinnules not deflexed. 
9. Costa without setiferous scales. 
10. Secondary rachises visibly spiny. 
11. Base of stipe without whitish pale*. 
12. Cost* scaly beneath 73. C. latebrosa 
12. Cost* glabrous beneath. 74. C.curranii 
11. Base of stipe with broad white and narrow brown pale*. 
75. C. calocoma 
10. Secondary rachises not visibly rough... 76. C. caudata 
9. Costa with setiferous as well as bullate scales.... 77. G. elmeri 
4. Costa hairy beneath. 
5. Indusium persistent and glandular 78. C. adenochlamys 
5. Indusium thin, not glandular. 
6. Pinnules cut to the costa 79. G. leucotricha , 
6. Pinnules cut to a narrow wing 80. G. burbidgei 
5. Indusium evanescent or none. 
7. Secondary rachises very scaly.... 81. G. albosetacea 
7. Secondary rachises not very scaly. 
8. Lamina glabrous, sori costular 82. C. chinensis 
8. Lamina hairy, sori medial 83. C. trichodesma 
