Familiar garden flowers

5" x 7 1/2" hard backed books. Mid blue background with gold and black floral front cover. Editions 1 & 2 have a picture of Crimson Flax embossed/sunken into the front cover on a square golden background. On the front cover 3 and 4 there is a coloured picture of pink cyclamen sunken into front cover and the fifth book has Lapageria rosea on the front cover - not as embossed/sunken as the other four. Each book has 40 coloured plates illustrated by F.E.Hulme F.L.S. F.S.A. Each book has a different floral/garden poem printed on the front page with author, illustrator and publisher.