BULBOPHYLLUM. 81 
Allied to В. odoratissimum, Lindl., but a larger plant with shorter fewer-flowered 
scapes, The flowers of this are inodorous. ‘lhe tips of the sepals are tinged 
with yellow. | 
Prate 110.— Rulbophyllum cauliforum, Hook. fil. A plant; of natural size. Fig. 1 sepals and 
petals, separated, 2 a flower, lateral view, З bract, column with its foot, and the lip, see» from the 
side, 4 lip, 5 column and its foot, showing the large stigma, 6 anther, 7 pollinia; all enlarged. 
23. BULBOPHYLLUM PRorRACTUM, Hook. fil, Ic. Plantar, 2037. 
Rhizome slender, woody, branching, naked below, bracteate towards the apex, 1 in. 
in diam.; pseudo-bulbs sub-erect, cylindric, about 1 inch apart, "6 to *8 in. long. Leaf 
oblong, acute, narrowed to the sessile base, thinly coriaceous, 1:5 to 2 in. long and 
from :3 to “5 in. broad. сарез filiform, slightly longer than the pseudo-bulbs, rising 
from the rhizome at the bases of and also between the pseudo-bulbs, minutely bracteate, 
umbellately 2- to 3-flowered; floral bract not half the length of the slender stalked 
ovary, lanceolate. Flowers "925 in. long, yellowish and orange. Sepals linear-lanceolate, 
acuminate, the dorsal rather shorter than the lateral pair, entire, slightly spreading. 
Petals narrowly elliptic-oblong, acute, shorter than the sepals. Lip shorter than the petals, 
lanceolate, sub-acute, entire, the upper surface concave and with two parallel ridges 
meeting near its apex; the base joined by a fine point to the apex of the short stout 
curved foot of the column. Column stout, with two long slender linear horizontal spurs 
from its apex, Lip of anther large, its margin crenulate.  Po/liaia broad, compressed, 
the inner pair small. Hook. fil. Fl. Br. Ind. V, 758. 
Sikkim; in tropical valleys, at elevations of 1,500 to 2,000 feet; Pantling, 
No. 230; in flower m July, Tenasserim, Helfer (Kew Distrib. Хо. 5164). Pegu; 
Brandis, No. 1045. 
Even in fresh flowers the sepals are seen to have three and the petals one nerve. 
The flowers are pale yellow, the sepals being orange in their upper half, and the 
concavity of the lip being also orange. The species has not previously been recorded 
from Sikkim. 
Prate 111.—Bulbophyllum protractum, Hook. fil. А plant; of natural size. Fig. 1 a flower with 
its stalked ovary and bract, seen from the side, 2 column and lip, 3 lip, 4 column and its foot, 
5 anther, inside view, 6 pollinia; ай enlarged. 
24. BULBOPHYLLUM LEPTANTHUM, Hook. fil. Ic. Plantar., t. 2039A. 
Rhizome about *15 in. thick, naked except at the growing point; pseudo-bulbs 1 to 
1:25 in. long, eylindrie, 1:5 in. apart, with several short sheaths at the base. Leaf 
narrowly oblong, tbe apex blunt and slightly notched, slightly narrowed to the sessile 
or sub-sessile base; length 2°25 to 272 in., breadth *5 to *6 in.  Seapes from the rhizome 
near the base of the pseudo-bulbs and also from the spaces between them, varying in 
length, sometimes shorter, sometimes longer than the pseudo-bulbs, always erect, slender, 
and with one or two small tubular sheaths and bearing at their apices an umbel of three 
to five flowers °З to *35 in. long; floral bract lanceolate, acuminate, as long as the stalked 
ovary. Sepals lanceolate, caudate-acuminate, spreading, the dorsal slightly shorter than 
the lateral pair, Petals about one-fourth of the length of the sepa's, ovate, acute, 1-nerved. 
Lip slightly longer than the petals, ovate-oblong, biunt, decurved from „һе thickened 
stipitate and slightly grooved base, the margins revolut». Column stout, with small 
triangular apical processes, and narrow lateral wings; the foot short. curved, tapering to 
Axs. Гоу. Bor. Gasp, Carcurra, Vou. VIII. 
