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 habitat is heaths. The plant is a parasite on heath, gorse, etc. The flowers are pale rose-colour. The calyx is reddish, shorter than the corolla tube. The corolla is cylindrical, with spreading lobes, prominent scales nearly closing the tube. The plant is 6 in. to 2 ft. long, flowering in August and September, and is an annual parasite.