106 ORCHIDS OF THE SIKKIM-HIMALAYA. 
3. NEPHELAPHYLLUM CORDIFOLIUM, Blume Orchid. Archipel. Ind. 145, t. 61; 
Fig. 3, A to D (1858), 
Stem succulent, brownish-purple, ascending from the creeping rhizome and рхо: 
ducing at each joint а short pseudo-bulbous growth surmounted by a leaf, 8 to 12 in. 
high and bearing several membranous hyaline sheaths 1 to 3 in. long. Leaves thickly 
membranous, ovate-cordate, acute, boldly 5-nerved from the base, 2°5 to 4 in. long and 
1:5 to 2 in. broad; the petiole dull purple, “5 to 1 in. long, with a large sheath. Raceme 
3- to 6-flowered. Flowers nodding, inverted, “75 in. long; floral bract linear, about as 
long as the shortly stalked ovary, withered at flowering time. Sepals free, sub-equal; 
narrowly oblong, spreading or recurved, the lateral pair apiculate. Petals like the 
sepals but smaller, gibbous at the widest part. Zip parallel with and sessile on the 
base of the footless column, elongate-cuneate, 3-lobed, with a short knob-like 2-lobed 
spur at the base; the lateral lobes narrow, diverging, the edges erose; the terminal 
lobe broad, retuse, its upper snrface with 3 stout spine-like calli. Column long. Anther 
short, broad, with two short: crimson horns. Рола unequal, cohering in fours by a 
granular substance. Lind. in Journ. Linn. Soc. III (1859); Hook. fil. Fl. Br. Ind. V, 
818. Citheris cordifolia, Lindl. in Wall. Cat, 3750; Gen. and Spec. Orchid., 129. 
Sikkim; at Labba, elevation 5,000 feet; Pantling No. 275; in flower during June. 
Khasia Hills; Wallich, Griffith (Kew Distrib. No. 5371), Hooker, Oldham, «е. 
The flowers are green striped with purple, the lip and column being pale yellow. 
The leaves are green, suffused with pale and mottled with dull purple, they have also a 
broad streak of the same colour down the centre. 
PrarE 146.— Nephelaphyllum ' cordifolium, Blume. A plant; of natural size. Fig. 1 a flower, 2 
floral bract, stalked ovary, column and lip, seen from the side, 3 section of the foregoing, 4 lip, 5 
column with the horned anther in situ, and (at the base) the bilobed saccate spur of the lip, 6 
anther, front view, 7 pollinia; ай enlarged. 
15. Phajus, Lour. 
Terrestrial or epiphytal, with or without pseudo-bulbs, usually of large size. Leaves 
membranous, usually plicate. Flowers handsome, in a raceme from a scape rising from 
the base of the stem or pseudo-bulb, or from the axil of a leaf or at the apex of the 
stem. Sepals and petals sub-equal, erecto-patent, rarely spreading. Zip adnate to the 
‘base of the long footless column, erect, gibbous or spurred. Anther incompletely 4-celled, 
Pollinia 8, attached by fours to a granular membrane. Species about thirty, natives 
of the tropics of Asia and of the Pacific. | 
Flowering scape from the base of the stem or side of the овас 
` Stem 2 or З in. long . qeu PONO 
Stem 18 to 48 in. long. 
Flowers yellow, sepals and petals erecto-patent, column hairy . 2. Р. maculatus, 
Cs. туте 71. Р. nanus. 
Flowers buff and purple, or rarely yellowish; sepals and orale 
widely spreading, column glabrous. : 
Spur "5 to “75 in. ls anterior Pium of "T dine: 
‘dilated, acuminate. . L . « & Р. Wallichii. | 
