140 VANDES. 
1. Lusta TRICHORHIZA Blume Mus. Bot. Lugd. Bat. i., 63. 
Stem 1 to 95 dm. long, very stout, not branched. Leaves fleshy, very slightly taper- 
ing to the apex, 1 to 1:8 dm, long and about 5 mm, thick. Spikes 4- or 5-flowered, 
stout. Flowers 1 cm. long, placed on short thick tubercles; floral bract broad, with an 
acuminate point, persistent. Sepals unequal, green with faint purple lines; the dorsal 
one oblong, blunt; lateral pair shorter, obliquely ovate, acute, keeled. Petals longer and 
narrower than the lateral sepals, oblong, blunt, all spreading. Zip larger than the sepals, 
dark dull purple on a greenish ground, basal half deeply concave and with erect rounded 
edges, the apical portion broadly cordate, tapering to the subtruncate emarginate apex, 
upper surface with short blunt vertical ridges. Column stout, half as long as the lip, 
purple. Anther subquadrate, compressed, rostellum broad; pollinia ovoid, attached by 
a broad caudicle to the quadrate gland. Lindl. Fol. Orch. 2; Reichb, f, Xen. Orch., t. 
77, figs. 8 to 18; Hook.f. Fl. Br. Ind. vi, 23; King & Pantling in Ann. К. Bot. 
Gard. Cale, viii, 202, t, 270. Vanda? trichorhiza Hook. Exot. Fl. 1, t. 72. 
Dehra Dun chiefly on sal trees, Gamble No. 25695, Mackinnon No. 24182; Garh- 
wil, Falconer, Mackinnon (Duthie’s Nos. 23004, 55498), Duthie’s collector Nos. 25836, 
25837. Flowers during March and April. It extends eastwards to Sikkim. 
A much stouter plant than L. teretifolia and with blunter leaves. 
2. LUISIA TERETIFOLIA Gaud. Bot. Егеус. Voy, 420, t. 37. 
Stem 1:5 to 3 dm. long, stout, sometimes branching. Leaves 6'5 to 15 cm. long and 
from 4 to 5 mm. thick, terete, spreading. Spikes very short, 2- or 3-flowered. Flowers 
7 mm. long; floral bract broad, pointed. Sepals and petals subequal, green, the petals 
slightly longer, narrowly oblong, blunt, spreading. Jip longer and broader than the 
sepals, with a square sub-saccate base; apical lobe deflexed, rhomboid, sub-truncate, its 
upper surface witn five or six vertical lines. Column very short and stout.  Anfher 
depressed; pollimia 2, ovoid, attached by a stout caudicle to a broadly oblong gland. 
Blume Rumphia iv, t. 194, t. 1970; Mus. Bot. Lugd. Bat. i, 63; Lindl. Fol. Orch. 2 
(excluding from all the synonym Ep. triste); Hook. f. Fl. Br. Ind. vi, 22; King & 
Pantling in Ann. Roy. Bot. Gard. Cale. viii, 202, t. 270; Rolfe in Journ. Linn. 
бос. xxxvi, 93. L. brachysiachys, var. flaveola. Par. & Reichb. f. in Trans. Linn. Soc. 
ххх, 144. Г. burmanica Lindl. Fol. Orch. 3. Г. platyglossa Reichb. f. in Walp. Ann. 
vi, 622. Г. zeylanica Lindl. Fol. Orch. 3, Cymbidium triste Roxb, Fl. Ind, іш, 461; 
Bot. Mag. t. 3648; Wight Ie, 911 (text only); Griff. Notul. ii, 940 (the Mergui plant), 
С. tenuifolium Wight Ic. 1689 (excl. text). 
Garhwál 4,000 feet, Mackinnon. Flowers in April. It extends eastwards to Sikkim, 
the Khasia Hills, Bengal (in the Sunderbuns), Burma, the Andaman Islands and China; 
it is found also in the Western Ghats, Ceylon and Malaya. 
The flowers are smaller and the stem and leaves are more slender than in L. trichorhisa. 
3. Luisrà BRACHYSTACHYS Blume Rumphia iv, 50, 
Stem long, branching. Leaves slender, 7 to 18 cm. long. Flowers T mm., on slender 
pedicels. Sepals and petals subequal; the petals narrowly oblong, blunt, spreading. Lip 
