







MR. J. G. BAKER ON THE GEOGRAPHICAL DISTRIBUTION OF FERNS. 



Asplenium Rut a-mur aria, 



Adiantum-nigram . 



solidum. 

 Asplenium filix-foemina. 

 Aspidium aculeatum. 

 Nephrodium Thelypteris. 



filix-mas. 

 spinulosum. 



Polypodium pimctatum. 



vulgare. 



Gymnogramma lq>tophyll;i 



Osmunda regalis. 



Ophioglossum lusitaiiirmn. 

 vuluatum. 



Hotrychium Lunaria. 



ternatum. 



353 





Dissevered Areas. 



Besides those which have been noticed under the different districts, 



the following are instances of curiously dissevered areas : 



Aspidium falcatum. 

 Deparia prolifera. 

 Hymenophyllum obtusum 

 Woodwardia radicans. 



Gymnogramma Pozoi. 

 Notochlsena lanuginosa 



Nephrodium albo-punctatum 



Davallia concinna. 

 Gymnogramma calomelanos. 

 Asplenium anisophyllum. 

 Acrostichum Aubertii. 



Japan, Himalayas, Neilglierri 

 Sandwich Isles, Queensland. 

 Sandwich Isles, Cape Colony. 



Himalay 



terranean, Canaries. 



Spain, Australia, Chili. 



Shores of the Mediterranean, Cape Verde Islands, Madeira, Australia 



temperate and tropical. 

 Mauritius, Guinea coast, Amboyna, Fiji. 

 Cape, Angola, Abyssinia, tropical America, 

 Guinea coast, Samoa, tropical America. 



Guinea 



West 



Natal 



The following is a summary of the distribution of the Order divided out iuto tribes 



Total 

 species 



Frigid 



zone 



Xorth Temperate 



zone. 



South Temperate 



zone. 



1. 



2. 



3. 



4. 



6. 



7. 



Grleicheniaceae 

 Cyatheae 



Dicksonieae 

 HymenophylleaB 



Davalliere 



Lindsayeos 



Pterideaa 



Torrid zone, 



8. Blechneae 



9. 

 10. 



11. 



12. 



13. 

 14. 

 15. 



16. 



17, 



ia 



Asplenia 



Scolopendrieae 

 Aspidiene 



Polypodies© 



Gramniitidefe 



Acrosticheae 



Osniundacese 

 Schizjeace» 

 Marattiacese 

 Ophiofflossacese 





Percentage of the order 



Peculiar species 



9 



10 

 6 



11 



60 



74 



17 



16 



64 



06 



57 



12 



29 



17 



81 



152 



10 



11 



102 

 4 



09 



1 1 J5 



80 

 80 



2 

 87 



if, 



7 



'. »44 



42 



757 









