Emmanuel Drake del Castillo (1855–1904) was a French botanist.

He was born at Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 and studied with Louis Édouard Bureau

Louis Édouard Bureau

Louis Édouard Bureau was a French physician and botanist.Bureau began his medical studies in Nantes in 1848, where he held the post of director of the Muséum de Nantes . He completed his medical degree in Paris in 1852...

 (1830–1918) at the Muséum national d'histoire naturelle

Muséum national d'histoire naturelle

The Muséum national d'Histoire naturelle is the National Museum of Natural History in Paris, France.- History :The museum was formally founded on 10 June 1793, during the French Revolution...

 (National Museum of Natural History). Between 1886 and 1892, he published Illustrationes Florae Insulae Maris Pacifici ("Illustrations of the flora of the islands of the Pacific Ocean") summarizing his work on the flora of French Polynesia

French Polynesia

French Polynesia is an overseas country of the French Republic . It is made up of several groups of Polynesian islands, the most famous island being Tahiti in the Society Islands group, which is also the most populous island and the seat of the capital of the territory...

. He also studied the flora of Madagascar

Madagascar

The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...

.

In addition, he put together a herbarium

Herbarium

In botany, a herbarium – sometimes known by the Anglicized term herbar – is a collection of preserved plant specimens. These specimens may be whole plants or plant parts: these will usually be in a dried form, mounted on a sheet, but depending upon the material may also be kept in...

 which contained more than 500,000 samples. At his death in 1904 at Saint-Cyran-du-Jambot

Saint-Cyran-du-Jambot

Saint-Cyran-du-Jambot is a commune in the Indre department in central France.Saint-Cyran’s origins lie with a monastic foundation first founded by Saint Sigiramnus in the 7th century. The foundation was first known as Saint-Pierre de Longoret but was later named after its founder...

this was left to the Muséum national d'histoire naturelle.