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Rock’s transcript of his diary volume 5, 1925-1926
The transcript is unannotated, but spaces have been left for Rock to make additions.

Joseph F.C. Rock’s annotated transcript of his diary volume 7, 1926-1927

• One folder containing a 27 page manuscript paper titled Contribution to Natural History: Re the roots of the Bromeliaceé. Detailed examination of root behaviour in these and allied species.

1 sheet with John Sibthorp's book plate attached to it, alongside email correspondence outlining the discovery.

Sanderson's Prize essay manuscript, ‘The Origin and Development of the Embryo in Phanerogamous Plants’, submitted in July 1849 as part of his Botany course for his Medical degree at the University of Edinburgh. Sanderson has illustrated the manuscript with pencil illustrations drawn from the microscope.
Impressed by the content, Hutton Balfour deemed it worthy of a prize, with part of the content read at a meeting of the Botanical Society of Edinburgh in February 1850.

John MacWatt's published works.

A collection of John MacWatt's writing, including both published and draft articles; also poetry, newspaper cuttings and pieces of writing associated with MacWatt's work.

MacWatt's copy of Pax, F and Knuth, R, Das Pflanzenreich, IV 237 Primulaceae Leipzig 1905, a leather-bound volume (245 x 170 x 35mm) with annotations in both pencil and ink in John MacWatt’s hand, with cuttings, notes and illustrations of Primulas pasted in or loosely interleaved.