Inscription: Inscribed in pencil on verso, possibly by Ostroff: '01917'. Engraving of a botanical specimen, showing various aspects of the bud, leaf and stem.
Inscription: Inscribed in pencil on verso, probably by Ostroff: '01910'. Engraving of a botanical specimen; it shows various sketches of the plant's leaves, buds and stem.
Inscription: Inscribed on verso, possibly by Ostroff: '01920'. Watercolour study by Talbot's friend from Harrow, Walter C. Trevelyan and shows the outer surface of a fungus.
Inscription: Inscribed on recto: 'Agarii from Trevelyan/ Agaricus Laties'. Inscribed on verso, possibly by Ostroff: '01919'. Watercolour study by Talbot's friend from Harrow, Walter C. Trevelyan and shows the inner surface of a fungus.
Inscription: Printed on recto: 'Tab V Philosph. Transact No 331 page 242/ M.V. dr. Guchtfeuls'. A page from a publication showing a long stemmed plant by Michael Van der Gucht (1660-1725).
Inscription: Inscribed on verso, possibly by Ostroff: '01918'. Drawing of four plants; Bryum aureum, Grimmia conastoma, Buxbaumia aphylla and Dicranum patens.