J. Burton Cleland’s scientific contributions

... The dried leaves and stems of several Nicotiana species and Duboisia hopwoodii (family Solanaceae) are used to produce a form of chewing tobacco. Mixed with alkaline wood ash, this is referred to as Pituri, Boodjerrie, Ingulba, and Mingkulpa, among other names, which was an important trading commodity [6][7][8]18,19]. The first historical reference to this product was from William Wills' diary, dated 7 May 1861, where he wrote 'They also gave us some stuff they call Bedgery or Pedgery. ...

Reference:

Historical and Scientific Evidence for the Origin and Cultural Importance to Australia’s First-Nations Peoples of the Laboratory Accession of Nicotiana benthamiana, a Model for Plant Virology

... The smoke plumes from pituri was also used to narcotize kangaroos and emus, who subsequently then fell prey to Aborigines (T. H. Johnston & Cleland, 1934). ...

Reference:

A Multi-Disciplinary Study into the Drivers of Smoking Cessation in Australia

... He was appointed to an advisory committee to the Aborigines Department in 1933, Deputy Chairman of the South Australian Aborigines Protection Board from 1938, and a member of the Aborigines Advisory Board from 1962 to 1965. He undertook field work to remote communities and wrote extensively on Aboriginal health and how they interacted with the environment [23], including use of native plants and fungi for food and medicine [18,[46][47][48][49][50]. He also collected many specimens of the indigenous fauna and flora of Australia, which remain lodged in museums and herbaria today. ...

Reference:

Historical and Scientific Evidence for the Origin and Cultural Importance to Australia’s First-Nations Peoples of the Laboratory Accession of Nicotiana benthamiana, a Model for Plant Virology