HEATH’S FER« POBTFOM® 
Kini'rlc 6e Cliromolith: 15 Holborn Vtatltiofc. 
1.— EUROPEAN BRISTLE FEHU—TH/C/fOOfAyjSS RADICANS (Ufpbr Side), 2.— LIMESTONE POLYPODY— CALCAREUM (Under Side). 
3.— THREE-BRANCHED PO\JfPODy—POLVPODI[/M DRYOPTERIS Sit>z). 4.— MOUNTAIN polypodium PHEGOPTERIS (Under Side). 
