DENDROBIUM. 89 
like so many other species, owing to the spread of cultivation. These species are D. primulinum, 
Lindl., D. crystallinum, Reichb. fil.; D. palpebrae, Lindl; and Р. JDalhousieanum, Wall. lt may of 
course also be possible that these four species were wrongly attributed to Sikkim. 
Sect. J.—Aporum.—Stems compressed, Leaves shortly  ensiform, equitant, fleshy or 
coriaceous, persistent. Flowers small, white or yellowish with pink ‘markings 
shortly pedicelled, solitary, rarely in pairs; mentum stout, as long as or 
longer than the short broad lateral sepals, - 
ИИИ КАЙ D муз оне део ior УЙ ee nr tee E hs ia 
ee а oe baht ено 4 «M... ДА МИНЕ, 
Sect. II.—BREVIFLORES.— Stems tufted, long, {еге ог clavate. Leaves membranous, 
persistent. Flowers small, in short racemes or heads, yellow, often dingy; 
mentum large, saccate; lip very short, deeply concave or urceolate, truncate 
or with short lobes. 
3. JD. bicameratum. 
Sect. 111.— VinaATA.— Stems tufted, domes slender, but hard rigid and polished, leafy. 
Leaves distichous, long, linear, persistent. Flowers small or medium-sized, 
yellow with. purple markings, produced at intervals and not at one priod 
only, in fascicles of two from an internode; mentum usually long, stout, 
incurved; petals and lip often very narrow. 
2. D. Сайсағій, 
Sect. IV.—Sracuvosrum.—Pseudo-bulbs short, tufted, with 2 or 3 leaves, or stems 
elongate and leafy, Leaves narrow, membranous, deciduous or persistent. 
Flowers in slender terminal or lateral racemes, small or medium-sized, 
usually pale-green or yellow with brownish markings; mentum rather 
long, conical, ineurved, or short and obtuse; йр often with a flat keel 
on the disc terminating in a truncate crenate callus on the mid lobe. 
Pseudo-bulbs with 2 or 3 leaves at the apex. 
Pseudo-bulbs broadly ovoid-conie, 2-leaved; terminal lobe 
of lip triangular, crisped . . 5. D. pygmeum. 
Pseudo-bulbs narrow, conical, MERE Petals rmm а 
the sepals, 3-nerved, sub-obtuse, Lip elliptio ог obovate- 
oblong, flat, its margins not ары its dise thickened 
and obscurely 8-grooved . . е . . « Û. D.porphyrochilum, 
Stems 3 to 10 in. long, with many йош lene. | 
Plant 8 to 6 in. high; lateral sepals broader than the 
dorsal; side lobes of lip deeply serrate . . . > . 7. D. eriaflorum. 
Plant 6 to 10 in. high; sepals subequal, салы, ка 
acuminate, side lobes of lip serrulate . . . . „ « 8. D. denudans. 
Sect, V.—PEDILONIUM.— Stems tufted, long, terete. Leuves oblong-lanceolate, persistent 
or deciduous. Flowers medium-sized, pink, in short leaf-opposed corymbóse 
racemes, mentum very long. Lip obovate-spathiform with a long hori- 
zontally-toothed claw. | 
9. D. eumulatum, 
