TY - JOUR T1 - On the Structure and Affinities of Trigonocarpon (A Fossil Fruit of the Coal-Measures) JF - Proceedings of the Royal Society of London (1854-1905) VL - 7 SP - 28 EP - 31 PY - 1854/01/01/ UR - http://dx.doi.org/10.1098/rspl.1854.0010 M3 - doi:10.1098/rspl.1854.0010 AU - Hooker, J. ER -