TY - JOUR T1 - Experiments in Heliotropism JF - Proceedings of the Royal Society of London (1854-1905) VL - 54 SP - 333 EP - 335 PY - 1893/01/01/ UR - http://dx.doi.org/10.1098/rspl.1893.0080 M3 - doi:10.1098/rspl.1893.0080 AU - Romanes, G. ER -