TY - JOUR T1 - On the Organization of the Fossil Plants of the Coal Measures. Part X. JF - Proceedings of the Royal Society of London (1854-1905) VL - 28 SP - 445 EP - 449 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0152 M3 - doi:10.1098/rspl.1878.0152 AU - Williamson, W. ER -