ORCHIDEX. 661 
The New Zealand species forming small matted patches 
on the trunks of trees, furnished with pseudobulbs. 
Flowers on a scape rising from the base of the pseudo. 
bulb. Lip jointed on to the base of the column, mobile 2. BuLnBopHynLuM. 
Stems leafy, unbranched. Flowers in terminal panicles. 
Lateral sepals free. Lip 3-lobed ae 0 .. 93. KARINA. 
** Pollinia attached to the rostellum by a caudicle. 
Stems short, leavesfew. Flowers small, in lateral racemes. 
Lip 3-lobed “F An ae me -. 4, SARCOCHILUS. 
B. Terrestrial, with tuberous roots and annual stems. Pollinia granular or 
powdery. 
* Leaves long, very narrow-linear, flat or terete. 
a. Leaves more than one. 
Flowers numerous, on a spirally twisted spike. Dorsal 
sepal and petals connivent into a hood. Lip undivided 5, Sprranruus. 
Flowers several, spicate. Dorsal sepal broad, hooded; 
lateral linear or filiform, erect. Lip 3-lobed .. 7. ORTHOCERAS. 
b. Leaf solitary. 
Sepals, petals, and lip all similar in shape, petaloid. 
Column very short, not attached to the lip at the 
base avs He 66 6 .. 6, THELYMITRA. 
Dorsal sepal concave. ’ Petals much smaller. Surface of 
lip covered with long hairs. Column very short .. 14, CaLocHILus. 
Dorsal sepal concave. Lip uppermost, undivided, usually 
with an adnate gland on the disc. Column es short, 
with two lateral erect appendages... 9. PRASOPHYLLUM. 
Dorsal sepal concave. Lip below, entire or 2-lobed. 
Column very short .. 8. Microris. 
Sepals and petals all linear. “Lip uppermost, articulate, 
clawed ; lamina Bae? irritable and mobile. Column 
long, winged j oe re at .. 10. CALEANA. 
Sepals and petals narrow. Lip entire or 3-lobed, not 
jointed or irritable, disc with glandular processes, 
margin often fringed. Column long, winged above .. 16. CALADENIA. 
** Leaves shorter, two or several, oblong or lanceolate or linear. 
Leaves numerous; radical broad, sometimes wanting ; 
cauline narrow. Flowers hood-shaped, green. Lateral 
sepals united at the base. Lip narrow, irritable, with a 
basal appendage... dec ne .. 11. PrERostytris, 
Leaves 2-3, lanceolate. Upper sepal broad, concave; 
lateral narrow. Lip broad, papillose or ridged. Column 
not winged .. 15, LYPERANTHUS, 
Leaves 2, radical, oblong. Upper sepal broad, “concave ; 
lateral narrow-linear. Lip broad, with raised glands on 
.the disc. Column winged, wings produced into 2 erect 
lobes at the top ae ae Si at .. 17. CHILOGLOTTIS. 
*** Leaf solitary, broad. 
Flower solitary, large, purple. Upper sepal broad, con- 
cave; lateral and petals long and filiform or minute. 
Lip large, broad, involute. Column very short .. 20, CORYSANTHES, 
