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POLYPODIACE^. 



LASTILE A. (Buckler Fern. ) 



1. L. Oreopteris. Presl. (Sweet Mountain Fern.) 

 Mountain heaths. 7. 



Harrow Weald Common. (Rev. B. F. Westcott.) 



2. L. Filix-Mas. Presl. (Common Male Fern.) 

 Woods and shady banks. 6, 7. 



Harrow Park, the Grove, Pinner Wood, frequent. 

 Harrow Weald Common and Stanmore Heath. (Flor. 

 Midd.) 



3. L. dilatata. Presl. (Broad prickly-toothed Buckler 



Fern.) 



Moist woods and moors. 8, 9. 



Pinner Wood. Harrow Weald Common. Stanmore 

 Heath. (Herts. FL Supp.) 



CYSTOPTERIS. (Bladder Fern.) 



I. C. fragilis. Bernh. (Brittle Bladder Fern.) 



Rocks and walls. 7. 



On a low damp wall at Pinner Hill. This interesting 

 plant was discovered June 2nd, 1871, in company with 

 W. A. Tooke, Esq. 



ATHYRIUM. (Lady Fern.) 



i. A. Filix-fcemina. Roth. 



Wet shady places. 6, 7. 



In an enclosure near Harrow Weald Common. (Mr. 

 T. Wilkinson.) Stanmore. (Varenne in Flor. Midd.) 



ASPLENIUM. (Spleenwort.) 



i. A. Adiantum-nigrum. L. (Black Spleenwort.) 

 Rocks and walls. 6-9. 



