168 HEMITELTA HORRIDA. 



angular costal arch, with others between the base and midrib 

 of the segments. 



Sori continuous round every sinuosity of the pinnse, forming 

 a double line. 



Pinnules of great size, from twelve to eighteen inches in 

 length, and sessile. 



Length of frond from five to ten feet; colour bright shining 

 green. 



For fronds I am indebted to Mr. Joseph Henderson, of Went- 

 worth; Mr. Norman, of Hull; and Mr. Smith, of the Royal 

 Gardens, Kew. 



It may be procured of Messrs. Rollisson, of Tooting; Veitch, 

 of Chelsea; Sim, of Foot's Cray; and A. Henderson, of Pine- 

 apple Place Nursery. 



The illustration is from Mr. Joseph Henderson's frond. 



