Photo courtesy of AmiRoses
Rose breeder Listing last updated on 12 Dec 2017.
Léonard Lille was a seed firm in Lyon, selling "Lawrenceana " and "Polyantha" strains of seeds.
[From Roll Call: The Old Rose Breeder
, by Brent C. Dickerson, p. 315:] Léon Lille, 8 Morand Court, Lyon, France