Language: Bilingual in English and German
Fascicle 26 describes a 15 further orchid species of the genus Masdevallia: Masdevallia bennettii, M. deniseana, M. gloriae, M. immensa, M. instar, M. louii, M. medinae, M. merinoi, M. os-viperae, M. pleurothalloides, M. proboscoidea, M. rana-aurea, M. Xsplendida, M. stigii, and M. zamorensis.
The elephant folio (11.75 × 16.5 inches) series is gum-bound to facilitate binding with previous fascicles from the series or for splitting as individual art prints.