POLYPODIUM. 



243 



under-side of the frond, towards the midvein. The present form was found 

 simultaneously in Kent and at Windermere. Sometimes its leaflets, which 



Fig. 69. Polypodium vulgare vars. (/) marginatum and (2) truncation 

 (J nat. size). 



are conspicuously saw-toothed (Fig. 69), are also eared at the base. — Lowe, 

 Our Native Ferns, i., fig. 22 ; New and Rare Ferns, p. 65. Moore, Nature- 

 printed British Ferns. Nicholson, Dictionary of Gardening, iii., p. 195. 



i 2 



