Salter was the second child of Emily Susannah Wilding and James Colam Salter. He was born in Cheltenham, Gloucestershire, England. He joined the Royal Navy in 1900 and was promoted to assistant paymaster in 1901. He served aboard HMS Majestic in Gibraltar. He became paymaster-captain in 1916.[1][2]
He worked with Robert Stephen Adamson, with whom he published the Flora of the Cape Peninsula in 1950. He was employed at the Bolus Herbarium until 1960, during which time he became a specialist on the Cape flora, in particular the genusOxalis.[3][4]
He died in Cape Town at an age of 86 years old.[2][4]
Notes on some of the species of Drosera occurring in the cape Peninsula, including the new species D. glabripes (Harv.) Salter and D. curviscapa Salter, 1939
The genus Oxalis in South Africa, a taxonomic revision, 1944