sentences:  Coming to the museum in Grahamstown gave him the opportunity to broaden his interests and develop the second largest herbarium in South Africa which had been founded by W. G. Atherstone in 1860.His father-in-law, Peter MacOwan, had been its honorary curator from 1862 to 1869 before moving to Somerset East.When MacOwan retired from his subsequent post as director of the Cape Town Botanical Garden and curator of the Cape Government Herbarium, he returned to Grahamstown and assisted Schonland in the development of the local herbarium.