Cactus tetragonus, spec. nov.

4. Cactus quadrangularis longus erectus: angulis compressis. Hort. cliff. 181. Hort. ups. 119. Roy. lugdb. 280.

Cereus erectus minor, fructu spinoso, costarum numero varians. Herm. par. 117.

Habitat in Curacao, America calidiore. ♄