This section is from the book "British Wild Flowers - In Their Natural Haunts Vol5-6", by A. R. Horwood. Also available from Amazon: A British Wild Flowers In Their Natural Haunts.
The plant is infested by a fungus, Puccinia prenanthis.
Photo H. Irving - Rampion (Campanula Rapunculus, L.)
The eagle was said to pluck the Wild Lettuce, with the juice of which it smeared its eyes.
Essential Specific Characters: 183. Lactuca muralis, Gaertn. - Stem slender, branched, smooth, leaves lyrate, dentate, terminal lobe larger, 3-angular, panicle diffuse, flowerheads yellow, 5 florets, equal, fruit black, compressed beak shorter, pappus pilose.