NATURAL HYBRIDS OF THE CATTLEYA GROUP. 235 
harpophylia, all of Rchb. f., for they appear to be good species. A few 
suggested secondary hybrids in the Lelio-Cattleya x elegans group have 
also been omitted, because the evidence is not conclusive, and authentic 
specimens are not available. Such hybrids may occur; in fact, Reichen- 
bach, in 1888, suggested that there might be crosses “ between mules and 
Fie. 55.— Carrnteya x ScHR@DERIANA. (Gardeners’ Chronicle.) 
mules, or mules and species ’’ (‘‘ Reichenbachia,”’ ser. 1, i. p.17) ; but this 
must be a question for the future. Some of the differences observed may 
be due to the well-known polymorphism of hybrids. 
These forty-four natural hybrids consist of twenty-four Cattleyas, 
eight Lelias, eleven Lelio-Cattleyas, and one Brasso-Cattleya, and their 
