I have an old book (from 1988) I bought in the States many years ago, Antique Flowers, by Katherine Whiteside. With antique, she does not go all the way back to the antiquity, but there is a selection of 49 flowers used more than 100 years ago both in the US and in Europe. I scanned the the list of contents:
Alchemilla vulgaris (Lady's Mantle), Aquilegia vulgaris (Columbine), Aruncus dioicus (Goatsbeard) Calendula officinalis (Pot Marigold), Campanula medium (Canterbury Bells), Centaurea cyanus (Cornflower), Centranthus ruber (Red Valerian), Cheiranthus cheiri (Wallflower), Chrysanthemum parthenium (Feverfew), Corydalis lutea (Yellow Fumitory), Crambe cordifolia (Colewort), Dianthus barbatus (Sweet William), Dianthus deltoides (Maiden Pink), Dianthus plumarius (Cottage Pink), Dicentra spectabilis (Bleeding-Heart), Digitalis purpurea (Foxglove), Dipsacus fullonum (Teasel), Eremurus robustus (Eremurus, Fritillaria meleagris (Checkered Lily), Gladiolus byzantinus (Sword Lily), Hesperis matronalis (Sweet Rocket), Iberis umbellata (Candytuft), Lilium lancifolium (Tiger Lily), Lunaria annua (Honesty),
Lysimachia punctata (Yellow Loosestrife), Lythrum salicaria (Purple Loosestrife), Macleaya cordata (Plume Poppy), Meconopsis cambrica (Welsh Poppy), Narcissus poeticus (Poet's Narcissus), Nicotiana alata (Flowering Tobacco), Papaver nudicaule (Iceland Poppy), Papaver orientale (Oriental Poppy), Papaver rhoeas (Field Poppy), Papaver somniferum (Opium Poppy), Phlomis samia (Phlomis), Polemonium caeruleum (Jacob's Ladder), Primula vulgaris (English Primrose), Pulmonaria officinalis (Lungwort), Rosa rugosa (Rugosa Rose), Salvia sclarea (Clary), Saxifraga umbrosa (London Pride), Sedum telephium (Orpine), Stachys byzantine( Lamb's Ears), Tagetes erecta (African Marigold), Tagetes patula (French Marigold), Tradescantia virginiana (Spiderwort), Tulipa batalinii (Tulip), Viola cornuta (Horned Pansy), Viola tricolor (Johnny-jump-Up).