i. 6 October 1851 - Atherston - Publications. Leighton's Lichens.
ii. 13 October 1851 - Atherston - (as above).
iii. 17 October 1851 - Atherston - Fungi and Rubi and Leighton's Lichens.
iv. (1851) Atherston - Exchange of Rubi and Fungi and Ayres collection of Fungi.