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,
St Nicholas, Blakeney scheduled monument and Grade II listed ruins of a medieval building in the salt marshes north of the present town described as "Blakeney Chapel", but, despite the name, it now seems likely that this was a domestic dwelling rather than a religious edifice. Another possible chapel site east of the Glaven was shown on an 1835 map, but there is no documentation to support that identification. The nearby Carmelite friary had its own church by 1321, built on land donated by tenants of William de Roos, "that the Carmelite friars, by the King's licence, and that of Sir William Roos,