TY - JOUR T1 - Some Observations on Welwitschia mirabilis, Hooker, f. JF - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934) VL - 198 SP - 265 EP - 304 PY - 1906/01/01/ UR - http://dx.doi.org/10.1098/rstb.1906.0008 M3 - doi:10.1098/rstb.1906.0008 AU - Pearson, H. ER -