143 OECHIDS OF THE SIEEIU-HIMALAYA.
PLATE 2Q&.—PhoUdota reeiirca, Liadl. A plant; of natural size. Fig. 1 front view of a flower, 2
lip, showing the lamellw on the diso and the apical auricles, 3 side view of braot, stalked oviiry,
column and lip, 4 front view of column, stigma and anther, 5 under surface of anther, 6 pollinia »
a/1 (iila'-ae.i.
Tribe ni.—VANDEAE.
Polliaia 2, 4, or rarely 8, attached singly or in paii-s or ia fours by a caudicle (rarely
by two caudicles) to a viscid gland derived from the stigma (in a few doubtfully from
the stigma).
GROUP I.—^Anther terminal.
Gland of pollinia doultfulhj stigmatic—
Pollinia attached to a single caudicle—
Pollinia 4 (2 and deeply bifid in ÁcrnehíBne), coherlag to a single
candióle expanding nt its base into a glaad doubtfully derived from
the stigma.
Terrestrial and with a short pseudo-bulb, petals entire, column with
no foot.
Spur of lip long, narrowly infundibulifonn at the mouth, otherwise
Epiphytal ; the pseudo-hulbs on a creeping rhizome, each with a single
l e a f ; lip jointed to the long foot of the column, spur none, petals
firabriate.
Lip panduiiform, 2-homed at the base and witli two erect
lamellre ; petals and sepals inseited on the long foot of the
column at a distance from each other SO. Monomeria.
Lip 3-Iobed, the basal lobes erect and broad, the apical lobe
narrower, acute, deflesed ; petals attached to the column and
the lateral sepals to its foot, but close together ; pollinia 2,
Ijifií! Acrochmne.
P()llima 8, clavate, cohering by fours to a viscid caudicle, or sessile on
the gland.
Epiphjtal and withont pseudo-bulbs.
Stems thick, compressed, fleshy, unbraached, leafy ; flowers small
and in dense heads S8. Agrosfophi,Uutn.
Stems terete, much and dichotomously branched ; flowers solitary
or two in a raceme B9. Bitaia.
Pollinia attached to two caudicles—
Pollinia 4, attached in pairs to two free caudicles j gland single, double
or absent; epiphytal 30. lone.
VANDEAE.
Gland of pollinia truly stigmatic—
Pollinia 8—
Pollinia cuneate or oblong, united to a large or small gland; sepah
cohering into a tube; racemes -S I . Cri/ptochlu-^.
Pollinia clavato; sepals and petals not cohering into a tabe;l flowers in
pedunculate interfoliar racemes ; the base of the lip connate into a tube
with the coliimn, usually spurred; terrestrial, mostly pseudo-bulbous
(with stems in some species); leaves plicate, morabranoia 32. CalantAe.
Pollinia 2 or 4 (4 in the genera Crmastra, Oreorchis, Saicochilus, Stcreochilus,
Dendrotolla, and Tainirp/iyllum).
• Hhizomatous, sapTophytio, aphyllous; flowera in sparse racemes . . . . SS. Yoania.
•• Terrestrial, pseiido-hulbous; flowers in pedunculate racemes, rarely in
panicles, sometimes spurred; leaves pHcate, membranous, manynerved.
Lip saccate or shortly spurred at the base, 3-lohed, the lateral
lobe J shallow and embracing tlie column Si. Eahphia.
Lip broadly ventriccse at the base, not spurred, obscurely 3-
lobed, iiifiorescence decui^ed while in fl'-wer 35. Geodormn.
Lip linear, pai-aUel to the column, minutely saccate at the
base, not spurred, slightly dilated and 3-lobulate at the npex,
the lateral lobules oblong and diverging, the terminal with
a process at its base; pollinia 4 38. Crenmlra.
Lip oblong, shortly clawed, deflexed from the middle, gibbous
or not at the base, 3-lobed; the lateral lobes short, not
diverging; 'the terminal broad, bifid, with, no process at its
base; pollinia 4 Orcorc/ds.
Epiplij^al, rarely terrestrial, with long linear sheathing leaves on a
usually lai'ge fleshy pseudo-bulb, rarely with fusiform stems and
few leaves; scapes racemose, flowers elongate, column without a foot
or -with a very short one, lip never spurred; leaves coriaceous . . 38. Cynbidium.
•••• Epiphytal with very short sten:^ and a few closely clustered flat coriaceous
pendulous leaves; sepaU and petals more or less spreading, uuited
to the foot of the column.
Lip with forked appendages on its disc.
Lip not spurred; column short, with two horn-like
processes near its base and a short foot 3d. PhaJcenopsi».
Lip spiuTed, column narrowly winged but not homed,
foot long Doriiis.
Lip without forked appendages on its disc.
Lip sessile on the rettangular foot of the column. 3-lobed,
the diso with four calli; side lobes small, erect,
triangular, falcate; apical lobe fleshy, tiiangular,
sub-acute Biermannia.
Epiphytal with short stem and a few broad pendulous coriaceous
leaves; flowers in long racemes, sometimes branched; column with
a very short foot; lip with a large claw, a bent spur and a
2-lobulate apical lobe, the lateral lobules fimbriate ¡(2. OrnithocMlus.
>..».. Epiphytal -n-ith flesliy us\ially elongated stems; leaves coriaceous and
flat, or terete and fleshy; inflorescence racemose or panicled;
pseudo-bulbs none; Hp spurred or not.