Here is a new reading list for myself from the V&A website, each relating to botanical illustration. I'm currently feeling a bit more motivated so i might get out and do some drawings and do some reading.
Arber, Agnes, Herbals: their origin and evolution, Cambridge: Cambridge University Press, 1938
Archer, Mildred, Natural history drawings in the India Office Library, London: HMSO, 1972
Barker, Nicholas, The Hortus Eystettensis : the bishop’s garden and magnificent book, London: British Library, 1994
Bartlett, H,H, and H, Shohara, Japanese botany during the period of wood-block printing, Los Angeles: Dawsons Bookshop, 1961
Blunt, Wilfrid and Sandra Raphael, The illustrated herbal, London: Frances Lincoln, 1975
Blunt, Wilfrid and William T, Stearn, The art of botanical illustration, Woodbridge: Antique Collectors Club, 1994