Plate XVII. FILICALES: NEUROPTERIDAE 



1-3. Neuropteris rarinervis Bunbery. 



1. From Spring Valley, x 1/2, C Coll. 



2. From Mazon Creek, x 2/3, U I Coll. No. P 1287. 



3. From Spring Valley, x 1/3, C Coll. 



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