SALVINIACEAE 



15 



Species 



1. Azolla Lamarck, 



2. Salvinia Adanson. 



MARSILEACEAE 



1. Marsilea L. 



Spheroidia Dulac 1867 (1) 



2. RegnelDdlutn Lindman. 



3. Pilularia L. 



MARATTIACEAE. 



7. Danaea Smith, 



OPHIOGLOSSACEAE 



1. Ophioglossum L. 



2. Botrychfum Sw. 



3. Japanobotrychum Masamune 1931 (III) 



4. Helminthostachys Kaulfuss. 



6 



10 



67 



1 



6 



1. Macroglossum Copeland 1909 (I) (M. Alidae). 2 



2. Archangiopteris Christ et Giesenhagen. 4 



Protangiopteris Hayata 1928 (III) (A. Somai). 



3. Angiopteris Hoffmann. 



4. Protomarattia Hayata 1919 (III). 



5. Marattia Sw. 



§ Mesocarpus Rosenstock 1908 = § Mesosorus Rosenstock 1908 (Ij 

 (M. Werneri). 



6. Christensenia Maxon. 



120 



1 



56 



2 



32 



54 

 36 



1 

 1 



