Anagallis arvensis two flowers mentioned in the Tirukkural. "The Scarlet Pimpernel" is the alias of Sir Percy Blakeney in the novel of the same name by Baroness Emma Orczy. Anagallis arvensis Scarlet pimpernel, commonly known as blue-scarlet pimpernel, red pimpernel, red chickweed, poorman's barometer, poor man's weather-glass, shepherd's weather glass or shepherd's clock, is a low-growing annual plant. The native range of the species is Europe and Western Asia and North Africa. The species has been distributed widely by humans, either deliberately as an ornamental flower or accidentally. "A. arvensis" is now naturalised almost worldwide, with a range that encompasses the Americas,
Sir Henry Merrivale was inspired by Carr: Sir Henry Merrivale Sir Henry Merrivale is a fictional detective created by "Carter Dickson", a pen name of John Dickson Carr (1906–1977). Also known as "the Old Man," by his initials "H. M." (a pun on "His Majesty"), or "the Maestro", he appeared in twenty-two locked room mysteries and "impossible crime" novels of the 1930s, 1940s, and 1950s, as well as in two short stories. He began as a fairly serious character but became more and more comical, at times even grotesque, as the series went on. When first introduced as a character, he was already