Two new species of Ptilotus (Amaranthaceae) from Western Australia

Two new species of Ptilotus (Amaranthaceae) from the central and southern regions of Western Australia are described: Ptilotus chrysocomus R.W. Davis, known from one location near the Carnarvon Range in the vicinity of the abandoned Blue Hill Station, Little Sandy Desert; and Ptilotus halophilus R.W. Davis, known from the margins of Lake Altham and from Lake Hurlstone Reserve in the Lake Grace to Pingrup and Holt Rock to Hyden areas.