366 ORCHIDACEAE 
Lip partly adnate to the column. 
Column wholly adnate to the D plants 
without true psudobulbs at the base 
spathe-like or scale-like bracts borne 
along a rachis SUE the leafy 
stems and branc 
Lip and column with elongate, often 
slender, adnate bases: flowers in an 
doluan partly adnate to the lip: plants 
with Pon at the c x the 
naked or scaly flowering s 
Lip Ene "Shallowly or decus SO, 
tudinally crested or appen- 
1 
deeply 3-lobed, with a dilated 
middle lobe and long nerrow 
lateral lobes: pseudobulbs te- 
rete: flowering stem no ub- 
petals elongate, picem 
p free from the colum 
Pollinia i5. terrestrial her 
Column with a SANE foot: lateral sepals triangular, 
forming a chin 
E: BLETIEAE 
"ap e UE the column or wing to it, without a 
Lip pe. culated to the foot of the column, or forming with 
it a spur: pollinia or 4, without caudiculae but 
with short stipes. 
Lip contracted into a claw: foot of the column slender: 
plants epiphytic 
Lip sessile, the base truncate or cuneate: foot of the 
column dilated or abruptly iod at the base: 
Blan ais ies restrial. 
a crestiess, deeply 3-lobed, the lateral lobes widely 
eadin foot of the e eoneave and 
grooved, not dilated, the mcm hie 
‘Lip with a crest of nipple-like papillae, 'shallowl y 
a lobed : m m e column flat, thin and dilated, 
he margin 
VI. ONCIDEAE 
Pseudobulbs 1-leaved. 
Mie at least 3-leaved. 
D neither Ya- winged nor 2-auricled near or 
E the summit. 
Sepals Bind petals not DE tipped. 
Sepals and petals eau 
Column 2-winged or 2- cd at or near the summit. 
VII. POLXRRHIZEAE 
Polinia stalked: lip saccate or short-spurred, the apex 
Flowers in a lax raceme: lip sessile ex Pos base of the 
column, with a globular spur: roo 
Flo duas. in a stiff spike: d partially mats to the 
mn, usually saccate at the base: roots coarse. 
Pollinia sessile: lip e ed the apex or the middle 
lobe again lobed. 
on 
Ol. 
38. 
39. 
50. 
on 
x: 
52. 
SPATHIGER. 
AMPHIGLOTTIS. 
ENCYCLIA. 
. EPICLADIUM. 
. ANACHEILIUM. 
. HORMIDIUM. 
. POLYSTACHYA. 
. BLETIA. 
. CYRTOPODIUM. 
. TRIORCHOS. 
PLATYPUS. | 
. MACRADENIA. 
IONOPSIS. 
RASSIA. 
ONCIDIUM. 
. HARRISELLA. 
. CAMPYLOCENTRUM. 
. POLYRRHIZA. 
