Referee's report by William Henry Lang, on a paper 'On the factors that influence external form of fossil plants; with descriptions of the foliage of some species of the Palaeozoic Equisetalean Genus Annularia Sternberg' by John Walton Sectional Committee: Botany Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Some of the conclusions may have geological bearing bayond palaeontology. [Published in the Philosophical Transactions of the Royal Society] Endorsed on verso as received 31 January 1936. [January 1936]