TY - JOUR T1 - The Anatomy and Development of the Stem in the Pteridophyta and Gymnosperms. JF - Proceedings of the Royal Society of London (1854-1905) VL - 69 SP - 119 EP - 120 PY - 1901/01/01/ UR - http://dx.doi.org/10.1098/rspl.1901.0086 M3 - doi:10.1098/rspl.1901.0086 AU - Jeffrey, E. ER -