Plate XXXVII. FILICALES: ODONTOPTERIDAE 



1-2. Odontopteris subcuneata Bunbery, from Mazon Creek, U C 

 Coll. No. 32052-3. 



3-4. Odontopteris wortheni Lesquereux, from Mazon Creek, U C 

 Coll. No. 32054-5. 



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