Common morel, Morchella esculenta 40, half-free morel, M. semilibera 41, white saddle, Helvella crispa 42, slate-grey saddle, H. lacunosa 43 and flexible helvella, H. elastica 44. Chromolithograph after an illustration by M. C. Cooke from his own "British Edible Fungi, how to distinguish and how to cook them," London, Kegan Paul, 1891. Mordecai Cubitt Cooke (1825-1914) was a British botanist, mycologist and artist. He was curator a the India Musuem from 1860 to 1879, when he transferred along with the botanical collection to the Royal Botanic Gardens, Kew.