This image is from Fireweed in King's American Dispensatory, 1898.
(It has been copied from Erechtites Hieracifolia in Drugs and Medicines of North America, 1884-87, and has also been used in Oils of Erigeron and Fireweed in the American Journal of Pharmacy, 1887)
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.
Plant Healer Magazine: Very relevant to the practitioner.
http://www.henriettes-herb.com - Copyright 1995–2017 Henriette Kress.