namely, DL. Horsfullii, Batem. (Bot. Mag. t. 5486), L. 
Sandersoni, Rchb. f. (/.c., t. 6858), and DL. roseus, Lindl. 
(Bot. Reg. 1844, t. 12). 
Descr.—A_ deciduous terrestrial Orchid of Phaius- 
like habit. eaves lanceolate, acuminate, much attenuate 
at the base, plicate, four and a half to five and a half feet 
long, three and a half to four inches broad, bright green. 
Scape stout, erect, ultimately over eight feet high, with 
about four tubular sheaths, two to three inches long, 
below the middle, and bearing at the apex a compact 
raceme of about three dozen flowers. Bracts ovate-oblong, 
acuminate or subobtuse, convolute, lower an inch and a 
half long, upper shorter. Pedicels one inch and a half to 
one and three-quarters long. Flowers among the largest 
in the genus. Sepals reflexed, obovate-oblong, shortly 
acuminate, about an inch long, green, suffused, and 
somewhat veined with brown. Petals ovate-orbicular, 
subobtuse or obscurely apiculate, about an inch and a 
quarter long by nearly as broad, rosy lilac, slightly darker 
behind. Lp three-lobed, about an inch and three-quarters 
long; side lobes erect, broadly rounded, crenulate, green, 
with thickened, radiating brown nerves inside; front lobe 
spreading, oblong, obtuse, reflexed at the sides, crenulate, 
purple in front, with darker nerves, passing into green at 
the base; dise bearing three tall undulate, denticulate, 
whitish-green, parallel keels, two-thirds of the way up, 
the middle much dwarfer towards the base; spur conical, 
half an inch long. Column clavate, about nine lines long. 
Capsule elliptical-oblong, obtusely ribbed at the three 
angles, somewhat verrucose and glaucous, two and a half 
inches long.—k. A. Rourn. 
Fig. 1, column; 2, anther case; 3 and 4, pollinarium, seen from front and 
back ; 5, sketch of whole plant :—1-4, enlarged, 5, much reduced. 
