London: Smith, Elder, and Co., 1855.
Hardcover. First edition. Original publisher's cloth. Small mark at the bottom of the spine from a removed label, and a bit of soiling to the binding, a very good plus copy. Royale, a surgeon who went to India in 1819, was put in charge of the botanical gardens at Saharunpore and greatly improved them by employing collectors to expand their stock of pharmaceutical and economically important plants.