Pennantia baylisiana, the rarest tree in the world. This plant was discovered by Baylis while on a field trip on Great Island, part of Three Kings, 64 kms north of Cape Maria van Dieman, in 1963.]]> Murray Webb]]> Pennantia baylisiana, the rarest tree in the world, which Baylis himself discovered while on a field trip on Great Island, part of Three Kings, 64 kms north of Cape Maria van Dieman in the North Island, in 1963.]]> Professor Geoff Baylis]]> Avicennia resinifera (now Avicennia marina subsp. Australasia). In 1936, a scholarship enabled Baylis to attend London Imperial College where he gained his PhD on fungal damage to germinating peas. In 1946, he was appointed Lecturer-in-Charge of Botany at Otago, taking over from the Rev. Dr J. E. Holloway. He became first Professor of Botany (1952) and was Head of the Department for 34 years, retiring in 1978.]]> Geoff Baylis]]> Lepidium oleraceum) in Dunedin in December 1951. Because of its antiscorbutic properties, Cook also used it to ward off scurvy.]]> Professor Geoff Baylis]]> ]]>