Inside Out Library · ExploreProceedings of the Botanical Society of the British Isles (1596)Botanical Society of the British Isles · London · leaf 17PLATE 2 Flowering spikes of Orchis militaris.Internet Archive · Natural History Museum Library, London · Public domain (published before 1931). Free to use for anything.More pictures from Proceedings of the Botanical Society of the British IslesMore like this