WHERE TO FIXD FERXS. 



PLATE XII. 



. HARD PRICKLY SHIELD FERN (Polystichum acitleatum} 

 (Upper Side). 2. ALPINE BLADDER FERN (Cystopteris regia) 

 (Under Side). 3. ANNUAL MAIDENHAIR (Gyinnogramma 

 leptophylla) (Upper Side). 4. ANNUAL MAIDENHAIR (Gymno- 

 gramma leptophylla} (Under Side). 5. PARSLEY FERN (Allo- 

 sorus crispus) (Barren Frond). 6. PARSLEY_FERN (Allosorns 

 crispus) (Fertile Frond). 



