30 OOPELAND. 



ii. Iiithisiuin wanting. 



7. Long hairs on secondary rachia copious 33, c. tomentoaa 



7. Long hairs on secondary rachis very sparse. 



8. Long pales without dark marginal seta' ;>4. C.lepifera 



8. Long paless bearing dark marginal setts 35, C.crinita 



<i. [ndusium evident 36. C.ttrigota 



.1. Pubescence partly or wholly reddish. 



ti. Larger scales sparse. 



7. lndusiuni symmetrical. 



8. 1'ioniinent "aerophores" on rachis at liases of pinna'. 



37. C. zollini/eriatio 



8. Without prominent aerophores ;1H. C riifo-ponnoso 



7. I ndusium false or onesided. 



s. Pinnules" entire ;j<). c. heterockkmydea 



8. Pinnules " eremite or lohed 40. ('. mitrata 



ti. Larger scales copious. 



7. [ndusium evident 41. C.loheri 



7. [ndusium wanting or inconspicuous 42. C.fuliginoaa 



.'!. Rachis unarmed or merely bristly. 

 4. [ndusium present. 



5. Pubescence. of two kinds of scales 43, r. infinitums 



.">. Pubescence of hairs and scales. 



ti. Segments crenate into bullate lobes 44. C.oinop* 



ti. Segments entire or crenulate at apex. 



7. Frond tripinnatind 4.~>. c. jonuiim 



7. Frond tripinnate. 



8. Rachis densely pubescent, scales large 4(i. C. srhi-ochlam/ix 



8. Rachis sparsely pubescent, scales small 47. C. stimotnino 



4. lndusiuni rudimentary, rachis above hirsute, without pale*. 



48. C. racibortkii 



4. [ndusium wanting, pales <»n rachis above 40. C.hirido 



•2. Rachises of frond or pinna 1 pubescent, but not with two kinds of pubescence 

 mixed. 

 3. Pinna' 8-1.") cm long. 



4. [ndusium none, sori medial. 



5. Frond about 1 m long .">(). ('. batjoiicnsis 



6. Frond about 45 cm long 2',]. C. hoticorkii 



4. lndusiuni persistent, sori costular 61. ('. hiiriliimtii 



'•>. Pinna much longer. 



4. Costa' scaly beneath or glabrous. 



.). Segments glandular-ciliate :r>. c. s ubg landuloaa 



."). Segments not glandular-ciliate. 



ii. Pinnules nowhere cut to the costa. 

 7. Sori costular. 



S. [ndusium breaking irregularly. 



!i. Sides of segments crenate 53. C.crenulata 



!). Segments serrulate throughout. 



10. Pinna' and pinnules sessile .">4. C.fwnoorthyi 



10. Piiime and pinnules stalked (i:i. C.ferruginea 



'.<. Segments nearly or quite entire. 

 It). Scales on costa' dark. 

 11. Long hairs beneath costs none .')."), C. lanaenms 



