Disocactus speciosus (Cav.) Barthlott as Cereus speciosissimus (Desf.) DC. by Sarah Ann Drake. On Page 49, plate 49 is presented as: Small-Flowered Shew-Cereus. Garden variety. Edwards's Botanical Register: o Mehr
Title: Edwards' botanical register, or, Ornamental flower-garden and shrubbery .. Identifier: edwardsbotanical28edwa (find matches) Year: 1829-1847 (1820s) Authors: Edwards, Sydenham, 1769?-1819; Lindley, Joh Mehr