xiv Table of the Genera of Ferns. 



Genus. Page 



Capsules smooth, very abundant in a branched 

 panicle 91 Anemia . . 453 



Capsules solitary in the axils of large imbricated 

 clasping involucres ; scandent . . . -92 Lygodium . 453 



SUB-ORDER V.— MARATTIACE^. 



Capsule opening by a slit down one side or a pore 

 at the apex, without a ring. 



Capsules sessile, very close together, but not concrete 93 Angiopteris . 458 



Capsules concrete, in boat-shaped spore-cases . . 94 Maeattia . 460 



Capsules concrete in raised circular masses which are 

 hollow in the centre 95 Kaulfussia . 462 



SUB-ORDER VI.— OPHIOGLOSSACEyE. 



Capsules deeply two-valved, opening down the side 

 nearly to the base, without a ring. 



Capsules sessile in two rows on a narrow close spike . 96 Ophioglossum . 462 



Capsules in small crested clusters forming a loose ) 97 Helmintho- 



spike ) stachys . 467 



Capsules in two rows on the face of spikes which form 



a compound panicle 98 Botrychium . 469 



