211 ORCHIDS OF THE SIKKIM-HIMALAYA. 
being sometimes cuneiform; moreover, its disc is in some specimens flat, in others 
channelled. The plant is widely distributed and local varieties have been too freely 
treated as species. There is considerable divergence also as to time of flowering. The 
form here figured is that found in Sikkim. 
Pirate 284.—Rhynchostylis retusa, Blume. A plant, of natural size. Fig. 1 a flower, 2 bract, 
stalked ovary, column with anther i» situ, and spurred hypochile, seem from the side, 3 section of 
spur, 4 lower surface of anther, 5 column with anther in situ, 6 pollinia; all enlarged. 
50. Vanda, R. Brown. 
Epiphytes with leafy stems, Leaves thickly coriaceous or fleshy, flat and keeled or 
terete. Racemes axillary. Flowers large and usually handsome, in simple lax or dense 
racemes, sometimes solitary; the floral bract much smaller than the ovary. Sepals and 
petals sub-equal, spreading or connivent, narrowed at the base. Jip large, with its 
base usually saccate or spurred; the side lobes large or small (rarely absent), adnate 
to the short foot of the column or to the sides of the sac or spur; apical lobe 
fleshy, varying in shape, its dise usually ridged or lamellate, sometimes carunculate- 
Column short, stout, without a foot or with only a short опе. Anther 2-celled; rostellum 
small; pollinia two, didymous, globose-obovoid or broadly ovoid; the caudicle broad and 
short, or long and geniculate; gland usually large. Species about 30, tropical Asiatic 
and Australian. | | 
Leaves terete. ... он «dd г” V. teres. 
Leaves narrowly oblong, keeled. 
Lip spurred at the base. 
Apical lobe of lip oblong, carunculate, not ridged, its apex broadly 
emarginate or minutely bilobed . . . . . « « © © « . 2. V. parviflora. 
Apical lobe of lip boldly ridged and carunculate; its apex with 
two divarieating lobules and with a downward pointing horn . 3. У. cristata, 
Apical lobe ridged but not carunculate, its apex sub-truncate . . 4. У. pumila. 
Lip gibbous, but not spurred or saecate at the base . CX. 3. 4 Уу uM. 
1. VANDA TERES, Lindl. in Wall. Cat.; Gen. and Spec. Orch., 217. 
Stem 2 to 8 feet long, sub-scandent, slender, branched, smooth, naked. Leaves fleshy, 
terete, tapering. to the sub-obtuse apex, 4 to 8 in. long and as thick as a goose-quill. 
Peduncle extra-axillary, slender, longer than the leaves, sub-erect, bearing a few short 
bracts; raceme 2- to 6-flowered. Flowers 9:5 to 3 or even 4 in. across. Dorsal sepal 
broadly elliptie, rotund or obovate, blunt; the lateral pair broadly oblong or obovate, 
faleate, obtuse, somewhat undulate. Petals larger than the lateral sepals, sub-rotund, 
wide-spreading. Lip longer than the sepals, adnate like the lateral sepals to the very 
short foot of the column; spur infundibuliform, puberulous inside, the mouth very wide, 
with large rounded obliquely elliptic side lobes; the apical lobe clawed, obovate, deeply 
‘bifid. Column short with a broad base and a very short foot, pubescent. in front. 
Anther with a long apical beak, depressed. Pollinia broadly ovoid, bifid; caudicle stout, 
tapered to the large reniform or cordate gland. Capsule narrowly fusiform, 2:5 in. long. 
Lindl. in Wall Cat. 7324; Gen. and Spec. Orch. 217; Fol. Orch. 7; in Bot. Reg. 
