PLATE XI. 
1. FINE-LEAVED GYMNOGRAMMA (Gymnogramma 
leptophylla). See Page 76. 
2. FILMY FERN ( Hymenophyllum tunbridgense). 
See Page 78. 
3. WILSON’S FILMY FERN ( Hymenophyllum Wilsoni). 
See Page 79. 
COMMON ADDER’S TONGUE (Ophioglossum vulgcitum)*. 
See Page 81. 
5, LESSER ADDER’S TONGUE ( Ophioglossum lusitanicum).. 
See Page 83. 
