Smith, Gilbert M. Cryptogamic botany / Gilbert M. Smith. - 2nd ed. - New York : Mcgraw-Hill, c 1955. - Vols. : ill. ; 22 cm. - McGraw-Hill publications in the botanical sciences. . Includes index. V. 2- Bryophytes and Pteridophytes ; 333 333 Subjects--Topical Terms: Cryptogams.Botany. Dewey Class. No.: 586 / S57c