The book documents Richard Evans Schultes's early botanical expeditions in Colombia during a pivotal period of his career. Schultes, a renowned ethnobotanist, meticulously recorded his observations and discoveries in the field during late 1942 and early 1943. This notebook offers a direct window into his systematic approach to cataloging plant life and understanding indigenous uses of flora in the Amazonian region.

This field notebook provides a primary source document for scholars interested in the history of botany, ethnobotany, and exploration in South America. The meticulous detail of Schultes's observations offers direct insight into his foundational work in the field. Its value lies in its raw, unedited presentation of scientific inquiry during a significant period of botanical discovery. The publication serves as a testament to Schultes's dedication to documenting the rich biodiversity and indigenous knowledge of the Colombian Amazon.