t rises sharply
between square shoulders which fold over, displaying the reverse. It has
no spots, but at the base is a chestnut blotch, changing to vivid green,
which again vanishes abruptly, leaving a broad white margin. Vivid green
also are the petals, with brown lines; the slipper paler. This example is
unique.

_Macfarlanei_ is all yellowish green, with a white crest.

_Amesiae._--The dorsal has a broad white outline and a drooping crest. To
white succeeds a brilliant green, and to that, in the middle, bright
chestnut. Chestnut lines also, and dots, mount upward. The green petals
are similarly lined, and the slipper is greenish, tinged with chestnut.

_Longisepalum_ is flesh-colour, with a greenish tinge and pink spots on
the very long dorsal. The pink spots change to lines upon the petals.
Slipper ruddy green.

_Dimmockianum._--The broad and handsome dorsal is green, with white
margin. A red stain at the base is continued in lines of spots upwards.
The petals are scored with the same colour.

_Measuresiae._--Big, with a grand dorsal, pale grass-green below, broadly
whitening as it swells. Petals the same green, with a dark midrib and
fainter lines. Slipper yellow.

_Rona_ is an example of the common type in its utmost perfection--large,
symmetrical, its green tinge the liveliest possible, its white both snowy
and broad, and its spots so vigorously imprinted that they rise above the
surface like splashes of solid chocolate.

_Majesticum_ is another of the same class, but distinguished by the
enormous size of its dorsal.

_Dorothy._--Dorsal greenish yellow, with faint spots of chestnut and a
broad white margin. Petals and slipper the same greenish-yellow tone.

_R. H. Measures._--For size as for colour this variety is astonishing. Its
gigantic dorsal is white, prettily stained at base with pale green, in
which are enormous red spots, irregularly set. Petals tawny greenish, with
lines and dots of red. The slipper matches.

_Harefield Hall_ variety resembles this, but smaller. The great spots of
the dorsal are more crimson, the petals and slipper a darker hue.

_Frederico._--Within a broad white outline the dorsal is all yellow,
heavily spotted and splashed with chestnut. The reddish tawny petals are
lined and spotted with chestnut, and the tawny slipper shows a chestnut
network.

_Corrugatum._--The name refers to a peculiarity unique and inexplicable.
The slipper, so smooth in every other case, has a st