A climbing plant with a glabrous stem; leaves alternate, uniformly cordate, pedati-nerved, with reticulate little veins between the nerves; they are supported by long petioles, furnished with a large, entire, reni-form, amplexicaule stipule. Flowers solitary, upon a sulcate peduncle from four to five inches long. Perianth single, large, of a yellowish brown, tuberculated, curved, divided into two lips; the upper lip sharp, lanceolate, and somewhat bent outwards; the lower lip, twice as long as the other, at first dilated at the base, and expanding into a large oval disk with undulate borders. The whole flower is covered with prominent nerves. Stamens six epigynous. Ovary glabrous, surmounted by a stygma with six short and rounded lobes. We employ the flower. _First day._—1. Restless sleep. He dreams that he is neither able to work, drink or walk. Gurgling at the right frontal eminence, for one minute. Doughy mouth the whole morning. 5. Thirst. Pain in the right groin. Numbness of the left leg. Numbness of the lower part of the calf. Borborygmi in the stomach and bowels. 10. Lancinations in the whole of the left lower limb. The left leg is red and swollen. The head feels heavy. Very thirsty, with bitter mouth. No appetite. 15. Stitch in the ball of the left thumb, at half past three in the afternoon. Torpid sensation at the vertex. Pricking in the right testicle. Pricking at the right thigh. Pricking at the lower part of the left leg. 20. Itching at the inside of the left thigh. Prickings here and there, over the body. Pain at the ball of the right thumb, at 7 in the evening. Torpid sensation in the cerebellum. Stitch under the heel. 25. Itching at the left outer ankle, at 8. Itching at the skin of the prepuce. Crampy pain at the right inner ankle. Contusive pain at the left pectoral muscle, which is sensitive to contact, at night.