19th century illustrations

One-spined Opuntia (One-spined Opuntia)

Orange Aphelandra (Orange Aphelandra)

Orange-coloured Bifrenaria (Orange-coloured Bifrenaria)

Orange-coloured Cestrum (Orange-coloured Cestrum)

Orange-coloured Indian Fig (Orange-coloured Indian Fig)

Orange-flowered Alstraemeria (Orange-flowered Alstraemeria)

Orange-red Saccolabe (Orange-red Saccolabe)

Orange-yellow Amomum (Orange-yellow Amomum)

Orchis-flowered Teucrium (Orchis-flowered Teucrium)

Oriental Hawthorn (Oriental Hawthorn)

Oval-leaved Billardiera (Oval-leaved Billardiera)

Oval-leaved Cockspur Thorn (Oval-leaved Cockspur Thorn)

Ovate Chorozema (Ovate Chorozema)

Ovate Pouchbell (Ovate Pouchbell)

Ovate-leaved Bilberry (Ovate-leaved Bilberry)

Ovate-leaved Duvaua (Ovate-leaved Duvaua)

Ovate-leaved Goodenia (Ovate-leaved Goodenia)

Ox-eye-like Oxyura (Ox-eye-like Oxyura)

Painted Achimenes (Painted Achimenes)

Painted Bignonia (Painted Bignonia)

Painted Geodorum (Painted Geodorum)

Painted Maxillaria (Painted Maxillaria)

Painted Pleurothallis (Painted Pleurothallis)

Painted Tritonia (Painted Tritonia)

Painted-lipped Ophrys (Painted-lipped Ophrys)

Pale Corana Amaryllis (Pale Corana Amaryllis)

Pale Stenia (Pale Stenia)

Pale Yellow Cyclobothra (Pale Yellow Cyclobothra)

Pale Yellow Maxillaria (Pale Yellow Maxillaria)

Pale-blue variable Larkspur (Pale-blue variable Larkspur)

Pale-blue-flowered Lachenalia (Pale-blue-flowered Lachenalia)

Pale-flowered Ceanothus (Pale-flowered Ceanothus)

Pale-flowered Intermediate Cattleya (Pale-flowered Intermediate Cattleya)

Pallid Aster (Pallid Aster)

Pallid Bletia (Pallid Bletia)

Panicled Stonecrop (Panicled Stonecrop)

Parched Pentstemon (Parched Pentstemon)

Parrot Alstromeria (Parrot Alstromeria)

Parrot-flowered Vriesia (Parrot-flowered Vriesia)

Parsnip-leaved Begonia (Parsnip-leaved Begonia)

Party-coloured Lupine (Party-coloured Lupine)

Pear-leaved Thorn (Pear-leaved Thorn)

Pear-shaped Epidendrum (Pear-shaped Epidendrum)

Pectinated Bartholina (Pectinated Bartholina)

Pencilled Evening Primrose (Pencilled Evening Primrose)

Pendulous-flowered Sparaxis (Pendulous-flowered Sparaxis)

Perennial Dyer’s Coreopsis

Perfoliate Veronica (Perfoliate Veronica)