ILLUSTRATIONS, 
[Photographs by E. Cortes.] 
Plate I. A, Ophioglossum intermedium Hook. B, C, Ophioglossum pedunculosum 
Desf. 
II. Botrychium japonicum (Prantl) Underw. 
III. Helminthos tacky s zeylanica (L.) Hook. 
IV. Angiopteris cartilagidens Christ. 
V. Macroglossum alidae Copel. 
VI. Archangiopteris henryi Christ. 
VII. Marattia ternatea deVriese. 
VIII. Christensenia cumingiana Christ. 
IX. Marsilea crenata Presl. 
X. A, Salvinia natans (L.) All. B, Azolla africana Desv. 
XI. Osmunda regalis L., var. japonica (Thunb.). 
XII. Lygodium merrillii Copel. 
XIII. A, Schizaea dichotoma (L. ) Smith. B, Scliizaea digitata (L.) Sw. 
XIV. Gleichenia laevissima Christ. 
XV. Ceratopteris thalictroides (L.) Brongn. 
XVI. Matonia foxioorthyi Copel. 
XVII. Phanerosorus sarmentosus (Baker) Copel. 
XVIII. Cyatliea atropurpurea Copel. 
XIX. Balantium copelandi Christ. 
XX. Diclcsonia blumei (Ivze.) Moore. 
XXI. Cibotium cumingii Ivze. 
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