TY - JOUR T1 - Studies in the Morphology of Spore-Producing Members. No.IV: The Leptosporangiate Ferns JF - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934) VL - 192 SP - 29 EP - 138 PY - 1900/01/01/ UR - http://dx.doi.org/10.1098/rstb.1900.0002 M3 - doi:10.1098/rstb.1900.0002 AU - Bower, F. ER -