222 
FLORA AND SYLVA 
tinct section once separated by Reichenbach 
as Zygosepalum rostratum. Rhizomes creeping, 
pseudo-bulbs oblong, leaves lanceolate. Scape 
short, with one to three flowers 3 to 4 inches 
across. Sepals and petals similar, linear-lance- 
olate, white at the base and brownish beyond, 
tinged with green ; lip large, cordate-acumin- 
ate, white, with several rosy streaks in front 
of the crest, which isyellow striped with purple. 
Guiana. 
Z. triste. — Flowers 2^ inches across. Sepals 
and petals dark chocolate-purple ; lip violet 
with lighter freckling ; crest white with blue 
lines. Brazil. Syn. Z. Protheroeanum. 
Hybrids. — In crossing, Zygopetalums be- 
have somewhat strangely, for while prolific 
when crossed with closely allied plants, those 
more distantly related (such asOdontoglossum) 
seem to have no influence upon them. I have 
seen plants said to come from Z, Mackayix 
Odontoglossum cr'upum., in which, beyond a sug- 
gestion of crossing traceable in the colour, the 
flowers were iden tical with those of Z. Mackayi. 
CoAzxy^/^oj-z/j-hasbeenafertileagent and several 
ofthe prettiest Zygopetalum hybrids have been 
derived from it. All show variations of the 
same greenish sepals and petals, marked with 
brown and purple and the white lip tinged 
with violet and in some cases exquisitely veined 
with violet-purple ; it is therefore not neces- 
sary to describe them in detail, the parentage 
in most cases giving sufficient indication as 
to what the flowers are like. The hybrids of 
Z. rostratum however show a rosy-crimson tint 
in their colouring. 
Z. X BaJlii (nat. hyb.) Z. maxillare x rostratum. 
Z. X Clayi - crinitinn x maxillare. 
Z. X Gottianum — maxillare Gaiitierix PerrenoiLdii. 
Z. X Icucochihim - Mackayi x Biirkei. 
Z. X pcntachromiim - Mackayi x maxillare. 
Z. X Perrenoudii and var. Cecil Rhodes - intermedium 
X maxillare Gautieri. 
Z. X Roeblingianum - rostratum x maxillare Gautieri. 
Z. x Sayideri— Perrenoudii y. Alackayi. 
Z. X Sedeni - Mackayi y. maxillare Gantieri. 
Zygo-Colax {^Zygopetalum x Colax) : — 
Z-C. X Amcsicc — Z. brachypetalum x C. jugosus. 
Z-C X Amesiana - C. jugosus x Z. brachypetalum. 
Z-C. X leopardinus — Z. maxillare x C. jugosus. 
Z-C. X Veitchii- Z. crinitum x C. jugosus. 
Z-C. X Wiganianus - Z. maxillare Gautieri x C. jug- 
osus. 
Zygonisia. Z. X Rolfeana - Z. maxillare Gautieri x Agan- 
isia lepida. 
Zygobatemannia. Z. Mastersii-Z. crinitum y. Bate- 
mannia Colleyi Lindl. 
Warczewiczella. — These are leafy 
plants with undeveloped pseudo-bulbs 
or stems, clad with broad bright-green 
leaves, the longer a foot in length and 
the lower ones sheathing the base. The 
growths are closely tufted and quite un- 
like the pseudo-bulbs of Zygopetalum. 
Flowers on stems shorter than the leaves, 
mostly solitary, and from 2 to 4 inches 
across. In this and the sections Hunt- 
leya, Bollea, and Pescatorea, the plants 
are of similar habit and without pseudo- 
bulbs, so that the same cultural direc- 
tions apply to all. They thrive in a warm 
shady part of the intermediate house, 
with an even, moderate temperature 
at all times. Bright sunlight is harmful 
but a clear subdued light is essential. 
They must be kept moist at all times, 
withcopious supplies ofrain-waterwhile 
growing. Syringing and watering over- 
head are injurious, but spraying morn- 
ing and night with one of the special 
appliances made for the purpose,is help- 
ful in warm weather. The plants should 
be potted in equal parts of good orchid 
peat and live spagnum-moss, and must 
be kept well above the edge of the pot 
or basket used for them. Species : — 
W. amazonica. — A very fine species bearing 
large white flowers with purple lines at the 
base of the lip. Syns. W. Lindeni^ and Zygo- 
petalum Lindeni. Tropical America. 
W. aromatica. — Flowers white with blue 
markings on the lip. Panama. 
W. Candida. — Flowers 2 inches across, white, 
with the margin of the lip light violet and a 
striated blotch of the same colour showing in 
the centre. Brazil. 
W. cochlearis. — Flowers white, with a pur- 
ple tinge and lines on the Hp. A very hand- 
some variety is known as W. Gibezice (" Lin- 
denia" Vol. IV. Zygopetalum Gibezice) its large 
flowers distinctly veined with dark blue upon 
the lip. Tropical America. 
