Codex Sloane 4016 is a 15th century Italian parchment manuscript belonging to a class of books known as herbals. These medicinal treatises recorded knowledge accumulated in the oral tradition about plants believed to possess therapeutic properties.
Vanilla, the vanilla orchids, form a flowering plant genus of about 110 species in the orchid family (Orchidaceae).Subfamily: Vanilloideae. Tribe: Vanilleae. Elizabeth Blackwell was the artist and engraver of A Curious Herbal in 1737-1739,
A Medieval Herbal Facsimile. "The magnificent herbal reproduced here in full for the first time is one of the most precious documents in the collections of The British Library. Written in Italy around Ad 1300, it is particularly significant as it probably the original manuscript of the Tractatus de Herbis, a type of medieval herbal which was to become one of the most influential texts on medicinal plants between the 14th and 16th centuries." | Oxfam GB