Career
Later he transferred to the Royal Botanic Gardens, Sydney. In 1908 he joined the National Herbarium, and was appointed Chief Botanist and Curator from 1933 to 1936. He described plants in the Myrtle family such as Melaleuca howeana.
Apart from the myrtles, his other main botanic interest were the lichens.
He traveled extensively in collection of botanical specimens, which are lodged in New South Wales. He has a street named after him in the suburb of Farrer, in the Australian Capital Territory.