78 OXLVII. oRcHIDEZ, (J. D. Hooker.) [Microsaceus. 
diam. ; sepals lanceolate, greenish ; petals shorter and narrower; lip orbicular, apicu- 
late, thick, greenish, base constricted into 2 obscure side lobes; pollinia 4, globose, 
gland rather large. — Described chiefly from a drawing and description by Scortechini. 
The Java and Bornean specimens are not in flower, but otherwise agrees with the 
Indian. 
70. DIPLOCENTRUM, Lindl. 
Epiphytes; stems short leafy, pseudobulbs 0. Leaves distichous, 
narrow, fleshy, subterete or complicate. JPeduncle lateral, often branched; 
flowers small, in long subspiciform racemes. Sepals free, connivent, sub- 
equal or the lateral larger. Petals like the dorsal sepal. Lip sessile, 
jointed on the base of the column, spreading, entire, shortly 2-spurred, 
disk fleshy. Column very short, 2-auricled, truncate; anther 2-celled; 
pollinia 2, ovoid, sulcate or 2-partite, attached by a broad strap to a 
broad gland.—Species 2-3, Indian. 
1. D. recurvum, Lindl. in Bot. Reg. under t. 1522; in Wall. Cat. 
7331; Gen. & Sp. Orchid. 218; leaves 4-6 in. linear, panicle” long-pedun- ' 
cled, branches spreading. Wight Ic. t. 1680, and D. longifolium, Wight 
Let 1681. Cymbidium alofolium, Herb. Heyne. 
NILGHERY and TRAVANCORE, Wight, Ee, CEYLON, in the Central Province. 
Stem 2-6 in., densely leafy. Leaves linear, keeled, 1-4 in. broad, unequally 
obtusely 2-fid, recurved. Panicle with peduncle 5-8 in. ; flowers 1 in. diam., densely 
crowded towards the ends of the spreading branches; bracts minute, acute; se 
and petals deep pink or brownish tinged with pink; lip ovate-oblong, longer than 
the petals, entire, pinkish lilac or crimson spur much shorter than the blade of the 
lip, conical, incurved, obtuse; column very stout, auricles incurved, rostellum 
inconspicuous; anther truncate, cells basal, strap of pollinia narrowed from the b 
base upwards. Capsule } in., clavate. 
2. D. congestum, Wight Ic. i. 1682; leaves 2-3 in. broadly 
oblong, spike very stout stoutly peduncled simple or shortly branched at 
the base. 
TRAVANCORE; in the Iyamallay Hills, Wight, 
Stem very short. Leaves 4-2 in. broad, deeply unequally 2-lobed, lobes obtuse. 
Peduncle with dense-fld. spike 4-6 in., rachis very stout; bracts minute, acute ; 
flowers about $ in. diam. ; colour, lip, spurs, column, anther and pollen much like 
D. recurvum. 
70/2. MYSTACIDIUM, Lindl. 
Epiphytes, pseudobulbs 0. Leaves few, distichous, linear, coriaceous. 
Flowers in axillary racemes, small. Sepals and petals subequal, free, spread- 
ing. Lip adnate to the base of the column, 3-lobed, spurred. Column 
very short, foot 0; anther hinged on to the top of the column; pollinia 2, 
globose, attached by separate straps to the gland.—Species about 20, 
tropical African and one Cingalese. 
This genus should, I think, be reduced to Angraecum. 
M. zeylanicum, Trimen. Cat. Ceylon Pl. 90. Angraecum zey- 
lanicum, Lindl. in Journ. Linn. Soc. iii. 40; Thwaites Enum. 306. 
CEYLON ; near Galle, Champion. 
Stem 3-4 in. Leaves 6-10 by $-$ in., flat, narrowed to the acuminate ape*, 
rigid, many-nerved. Scapes many, shorter than the leaves, very slender, rig! 
