4 folders containing Donald Pigott's notes and photos relating to his research on Tilia:
1: Photographs of living Tilia; folder of labelled photographs of living trees taken by Donald Pigott
2: China 1993, 1995; folder of notes on Donald Pigott's China trips in 1993 and 1995
3: Chinese Visit; folder detailing further Chinese trips taken by Pigott, includes 1993 and 1995.
4: Tilia Types, China; a folder containing good images / copies of Tilia type herbarium specimens from China.
1 folder of original drawings by Professor Donald Pigott; A collection of drawings, both in pencil and ink, of leaves and flowering parts of different species of Tilia, the subject of his monograph (Lime-trees and Basswoods; A Biological Monograph of the Genus Tilia; Donald Pigott, Cambridge University Press, 2012, ISBN 978-0-521-84054-5)

A collection of items relating to George Forrest and his family comprising:
GB 235 FIA/1/1: ‘Rhododendrons and the Various Hybrids’, by J.G. Millais, 1917, No.6, signed by author and annotated by George Forrest
GB 235 FIA/1/2: ‘Rhododendrons and the Various Hybrids’, 2nd Series, by J.G. Millais, 1924, No.5

GB 235 FIA/2/1-7: 7 x ‘Marine Algae of Joppa’ by George William Traill, 1886 (inc. author’s copy(1), Phebe M. Traill(2), W.H. Traill(3), scored out name(4) and 3 unsigned books(5-7, 5 possibly Clementina Traill))
GB 235 FIA/2/8: 1 x ‘Marine Algae of Elie’, by George William Traill, reprint from the Transactions of the Botanical Society of Scotland, 1888
GB 235 FIA/2/9: 1 x ‘Marine Algae of the Orkney Islands’ by George William Traill, 1890, H.C.M.W. (Clementina) Traill’s copy

GB 235 FIA/3: 1 box of 87 microscope slides, mostly trees and shrubs, made by Dr G. Ian Forrest (G. Forrest’s grandson) between 1959 and 1960 whilst studying for his B.Sc in Botany at University College London.

8 glass lantern slides showing images of Meconopsis taken by Mrs Knox-Finlay at Keillour Lake, Keillour Castle:
Meconopsis
Meconopsis x musgravei
Meconopsis sherriff 600
Meconopsis grandis 600
Meconopsis grandis (true)
Meconopsis coxiana
Meconopsis betonicifolia praetensis
Meconopsis beamishii

1 folder containing correspondence, map, 3 photographs and report outlining the discovery of a hybrid orchid, Rhizanthera chevallierana, on Ben Lawers by David Mardon in 1979. The folder was compiled after a search for photographs of the plant taken by Mardon in 1984. Contents include, email correspondence between Clive Stace, Adele Smith and Lorna Mitchell outlining the search for photographs and compilation of the folder (2013), report and notes compiled by David K. Mardon in 1984 outlining his find, map showing where he found it, correpondence between Douglas McKean, [Paddy Woods], R.H. Roberts and David Mardon regarding the identification of the orchid, and three photographs taken by Mardon.