- New illustration of the sexual system of Carolus von Linnaeus: and the temple of Flora, or garden of nature
- Thornton, Robert John
- London, 1807
- Open Library:
- View record
Mezzotint showing a blooming Selenicereus grandiflorus (also known as night-blooming cereus, or queen of the night) on a river bank by a moonlit night. A towered building which stands in the background bears a clock showing a few minutes past midnight.