Illustrated is a form of lily. It is one of the Archelirion kinds, lilium speciosum.
L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)
2400×1999, 1.1 MiB
1024×852, 109.6 KiB
640×533, 58.0 KiB
320×266, 21.4 KiB