Table of the Genera of Ferns. xiii 



Genus. Page. 



Sori in a continuous linear, or interrupted central or 

 submarginal line, veins reticulated, fronds pinnate . 78 T/BMTIS . . 410 



As in Tienitis, but fronds simple and dimorphous . 79 Drymoglossum . 410 



Veins copiously reticulated and completely soriferous. 80 Hemionitis .413 



TRIBE XII.— ACROSTICHE/E. 



Sori not confined to the veins, but spread entirely 

 over the frond beneath. 

 Fronds simple, veins free Si Elaphoglossum. 416 



Fronds pinnate, Lomaria-like, veins all simple or 

 sometimes arcuate at the base ; scandent ferns . 82 Stenochl/ENA . 421 



Fronds pinnate, not Lorn aria like, veins all simple ; 



not scandent 83 POLYBOTRYA . 424 



Similar to Elaphoglossum, but with a connecting 



vein running round the margin . . . -84 Aconiopteris . 427 



Veins copiously anastomosirg with free included 



veinlets 85 Gymnopteris . 479 



Veins copiously anastomosing without free included 

 veinlets. Sea-coast fern ..... 86 Acrostichum . 440 



Drynaria-like fronds, pinnx articulated, but stipe 

 adherent to caudex ...... 87 Photinopteris . 442 



Fronds with stag's-horn-like divisions, vernation 

 articulate, sori in large patches only on the fertile 

 fronds 88 Platycerium . 444 



SUB-ORDER III.— OSMUNDACEiE. 



Capsules two-valved, opening across the apex, 

 furnished with a short horizontal ring - . . .89 Osmunda . -447 



SUB ORDER IV.— SCHIZ^ACE^E. 



Capsule two-valved, opening down the side, 

 ned by a complete operculiform ring. 



Capsules se c sil'.- in 2-4 rows on one side of close 



spikes 90 Sciiiz^ica . . 452 



