THE PTERIDOPHYTA OF THE MAN' FERNANDEZ ISLANDS 



2i) 



This highly remarkable fern was discovered by Joho^ in Q. de l.-i- I 

 and again found in the same locality' by SKOI fSBERG, 1908 A beautiful lot 



Fig 5. BJechnum longicauda C. Chr. a sterile pinna, nat. size, and enlarged fragment; b two 

 fertile pinnae, nat. size, and enlarged fragment; c palea form the stipe, X 5- 



of specimens, including fertile fronds, enable us to complete the original de- 

 scription. 



The rhizome is short, more or less erect, the fronds densely fasciculate. 

 When growing between stones along the water, the species has much the habit 



