Sir,?I noticed in the " British Medical Journal" of the 28th September last, page 719, a communication from Mr. Oldacres, M.B.C.S., that by handling the plant named Primula obconica an obstinate rash is produced, attended with dyspeptic symptoms. 1 beg to bring to your notice that there are two plants in this part of the country, very common in shady places, known as the Tragia eannaMna and Tra...