PLATE XLI. 



Polt/sfic/i mil ràifolrijiainem? Hayata. 



Fig. 1. Fronds of tlie plant. 



2. A chaff, detaclied fvoiu tlie l)asal portion of a frond. 



o. Another one, detaelied from tlie middle ])ortiou of a frond. 



4. A pinna. 



5. Section of a sorus. 

 C). Sporangia. 



7. Section of tlu^ basai ])()rtion of a frond. 



8. Section of tlie nn'ddle portion of a frond. 



