Referee's report by Henry Edward Armstrong, on a paper 'Cyanogenesis in plants. Part IV & V' by Wyndham Rowland Dunstan, Thomas A Henry and S J M Auld Sectional Committee: Botany Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests could possibly go into less detail, 'but would probably appeal less to respectable physiologists'. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 28 April 1906. 26 April 1906