Referee's report by Vernon Herbert Blackman, on a paper 'Experiments on phyllotaxis - Part III - Diagonal splits through decussate apices' by Mary Snow and R Snow Sectional committee: Botany Recommended for publication in Philosophical Transactions, in full. It is a valuable paper. A few modifications should be made. [Published in Philosophical Transactions A, 1922]. Endorsed on verso as received September 1934