Key to the diagram depicting the species of flowers, kindly provided by Dr Sam Segal:

1 Forget-me-not Myosotis scorpioides
2 Austrian Briar Rosa foetida Bicolor
3 White Rose Rosa x alba subplena
4 Yellow Rose Rosa foetida
5 Stock Matthiola incana lilacina
6 Dusky Crane's-bill Geranium phaeum
7 Tulip Tulipa clusiana x T. stellata
8 Tulip Tulipa clusiana x T. schrenkii
9 Marigold Calendula officinalis
10 Meadow Crane's-bill Geranium pratense album
11 Pansy Viola tricolor
12 Stock Matthiola incana violacea
13 Provins Rose Rosa x provincialis

See colour illustration