CONTENTS. 



Chapter Page 



I. — Ochropteris, /. Smith 1 



II. — Oleandra, Cavanilles ........ 3 



III. — Onoclea, Mettenius H 



IV. — Onychium, Kaulfuss ........ 1-6 



V. — Ophioglossum, Linnaeus • 21 



' VI. — Osmunda, Linnaeus * 30 



VII.— PELLiEA, Link * 44 



VIII. — Platycerium, Desvaux ^4 



IX. — Platyzoma, Brown » 82 



X. — Polypodium, Linnaeus ........ 84 



XL — Pteris, Linnaeus . . . . . • . • • 253 



XII.— Sadleria, Kaulfuss 306 



XIII. — Schizjea, Smith . . . . • . • • • 308 



XIV. — Scolopendrium, Smith 314 



XV. — Sphjeropteris, Wallich 311 



XVI. — TiENiTis, Swartz 343 



XVII. — Thyrsopteris, Kunze 346 



XVIII— Todea, Willdenow ......... 348 



XIX. — Trichomanes, Smith . . . ■ 357 



XX. — Trochopteris, Gardner 386 



XXI. — Vittaria, Smith 387 



XXII.— Woodsia, R. Brown .391 



XXIII. — Wood wardia, Smith 400 



XXIV. — Selaginella, Spring 407 



Index . , • 433 



