1. The branching stem is only a trifling modification of 
the ordinary habit of Cattleyas, whose rhizoma is the stem, 
of which the pseudo-bulbs are the branches. 2. The furrowed 
pseudo-bulbs exist equally in C. labiata. 3. Nothing can 
well be more variable than the size of the sepals and petals, 
and consequently of the flowers themselves in different indi- 
viduals, and under different circumstances. Sir W. Hooker 
describes the original C. Mossiw as being seven inches and a 
half in diameter, from the tip of the upper sepal to the end 
of the labellum ; from tip to tip of the two opposite petals 
eight inches and a half, each petal being a little more than 
four inches long, and two inches and a half broad; twenty- 
four inches in the circumference of the entire blossom! 
One such specimen I have seen, in the collection of Mrs. 
Lawrence, and it is probable that similar cases will not be un- 
common when the imported plants shall have recovered their 
full health ; but up to the present time the greater part of 
the specimens I have seen are not larger than the flowers in 
the annexed plate, and are therefore less rather than larger 
than C. labiata. 4. I do not find the petals more unguicu- 
late in the one than in the other; but they are broader and 
more crisp in C. Mossie than in its prototype. 5. 'To colour 
alone of course no importance can be assigned. 
It is not merely in the case of C. Mossiz that the supposed 
species of the genus require reconsideration. It is probable 
that C. Harrisonii is a var. of C. Loddigesii; and C. inter- 
media, is certainly nothing more than a state of C. Forbesii, 
with the yellow exchanged for white and purple. 
