216 SmitH—NeEw OrRcHIDS. 
lata, multinervia, infra petiolatim angustata, basi vaginata. 
Scapus ad 25 cm. altus, a latere pseudobulbi oriens, vaginis 
elongatis 2-3 praeditus; pars florifera 4-6 cm. longa, circ. I5- 
flora ; bracteae circ. 5 mm. longae fere ad summum ovarium per- 
tinentes lineari-lanceolatae acutissimae. Flores cum pedicello 
circ. 1 cm. longi. Sepala lateralia circ. 6 mm. longa, falcato- 
ovata, acutiuscula ; dorsale lanceolatum, circ: 7 mm. longum, lat- 
eralibus angustius, acutum. Petala fere 6 mm. longa sepalis 
lateralibus subsimilia, viridi-brunnea, intus purpureo-striata. 
Labellum cire. 5 mm. longum, trilobum, brevissime unguicula- 
tum, album, purpureo-maculatum, lobis lateralibus parvis auri- 
culaeformibus, intermedio obovato. apice obscure lobulato ad 
basin disco magno bivalviconchiformi praedito; calcar nullum. 
Columna circ. 4 mm. longa, curvata, basi dilatata et concava; 
pollinia 4. 
“Upper Burma :—At Feng-shui-ling; terrestrial orchid 
amongst rank undergrowth on a bank in bamboo forest (rain 
forest) at 8-9,000 ft. Flowers greenish-brown, petals striped 
with purple inside, labellum white, mottled with purple. June 
1914.’’ F. Kingdon Ward. No. 1640. 
A species well distinguished from all but O. Rolfet, Duthie by 
the peculiar dise on the labellum. The disc resembles an open 
bivalve shell. : 
Otochilus alba, Lindi. 
“West China :—In the Shweli Valley, Yunnan, on cliffs and 
boulders. Lat. 24° 42’ N. Alt 6,000 ft. Epiphytic plant of 
9-14 inches. Flowers white, tinged orange at base. February 
1918.” G. Forrest. No. 16,168. 
“Also on hills east of Tengyueh. Lat. 25° N. Alt. 7-8,000 
ft. January 1913.” G: Forrest. No. 9493. 
New to China. 
“9 Otochilus Forrestii, W. W. Sm. Sp. nov. 
Species affinis O. porrectae, Lindl. a quo sepalis latiusculis, 
labelli lobis lateralibus ad medium gynostemium attingentibus 
haud acutis, lobo intermedio late elliptico divergit. 
Pseudobulbus in specimine aliquatenus manco circ. 3. cm. 
longus, 1.2 cm. latus, diphyllus. Folia in petiolum 1-2 cm. 
longum attenuata, in spec. nostro 11 cm. longa, circ. 2.¢ 
anceolata, acutata, nervis quinque (quam aliis indistinctis) 
magis conspicuis. Racemus proteranthus flexuosus circ. 8- 
florus foliis brevior. Bracteae cito deciduae non visae. Sepalum 
dorsale oblongum circ. 14 mm. longum 4 mm. latum, apice 
_ acutatum; lateralia dorsali similia subfalcata. Petala sepalis 
aequilonga, linearia, 1 mm, lata, acuta, patentia. Labellum 
