(301 ) 



Osmiuidaceae Mart. Consp. 



Sporangia hypopbylla , v. frondibus contractis paniculala, pedicellala, 

 tenuissime meml)ranacea, annalo dorsalilato, incomplète» , vertice dehis- 

 centia. Sporae oblongae vel subglobosae. Indusia varia (indusium nul- 

 lum) (1). —Frondes bipinnatae, slomatiis praeditae, vernatione circinnatac, 

 fertiles saepissimae contractae. 



Marattiaceae Kaulf. En. 



Sporangia hypophylla, exannulata, sessilia, distincla v. inter se con- 

 nata, vertice vel lalere aperla. Sporae ellipsoideae. Indusium nullum, 

 superiiciale v. cum sporangïis concretum. — Frondes simplices, pinnatae 

 v. triplicato-pinnatae , foliolis semper elongalo-lanceolalis integris, slo- 

 matiis praeditae, vernatione circinnatae. 



Ophioglosseae R. Br. Prodr. Kaulf, /. c. 



Sporangia in fronde contracta sessilia, unilocularia v. septo transverso 

 incompleto subbilocularia , exannulata, coriacea, evasculosa, distincla 

 v. inter se connata, semibivalvia. Sporae farinaceae. — Frondes caule 

 rhizomatoide exclusae geminae, biformes, vernatione striclae , altéra 

 expansa, sterilis, slomatiis praedita; altéra in rhachim contracta. 



(I) Endlicher, dans son- Compectus diagnostieus , p- IV, donne indusium nullunu 



Tome V. 22 



