The Daffodil Mystery by Edgar Wallace

When Mr Thomas Lyne, poet, poseur and owner of Lyne's Emporium insults a cashier, Odette Rider, she resigns. Having summoned detective Jack Tarling to investigate another employee, Mr Milburgh, Lyne now changes his plans. Tarling and his Chinese companion refuse to become involved. They pay a visit to Odette's flat. In the hall Tarling meets Sam, convicted felon and protégé of Lyne. Next morning Tarling discovers a body. The hands are crossed on the breast, adorned with a handful of daffodils.