Lissochilus. | CXXXIII. ORCHIDEE (ROLFE). 87 
43. L. elatus, Rolfe. Rhizome stout. Leaves long petiolate, 
narrowly lanceolate, acuminate, 2-3 ft. long, 14—24 in. broad. Scapes 
4—8 ft. high, with numerous sheaths below; racemes 9—12 in. long, 
many-flowered. Bracts obovate-oblong or elliptic-oblong, obtuse or 
apiculate, concave, 3-1 in. long. Flowers pink or purple. Sepals 
oblong or obovate-oblong, apiculate, 9-11 lin. long. Petals suborbicular- 
elliptical, 1-14 in. long. Lip trilobed, 1-1} lin. long; side lobes 
broadly rounded ; front lobe broadly elliptic-oblong or obovate, obtuse ; 
dise with 8 slender, thickened keels. Column clavate, 8 lin. long. 
Capsule broadly elliptical, 1? in. long. 
Upper Guinea. Cameroons: Batanga; near Lobe village, in damp grassy 
places, Bates, 61! Cameroon country, King! 
_ Lower Guinea. Gaboon: Gaboon River, Mann, 1039! Munda; Sibange Farm, 
in swamps, Soyaux, 39! Angola: Benguela, Monteiro! Congo, Smith! 
Near L. giganteus, Welw., but a dwarfer plant, with narrower leaves and 
smaller bracts and flowers. The plant cited by Kränzlin as Z. giganteus, Reichb. f. 
(Mitth. Deutsch, Schutzgeb. ii. 1889, 156) from Batanga, Braun, 23, probably 
belongs here, 
44. L. giganteus, Welw. ex Reichb. f. in Flora, 1865, 187. Rhizome 
stout. Leaves elongate, lanceolate, acuminate, long petiolate, 3-4 ft. 
Jong, 3-4 in. broad. Scapes 8-16 ft. high, with numerous sheaths 
below; racemes 1-1} ft. long, 20-30-flowered. Bracts oblong or ob- 
ovate-oblong, obtuse or apiculate, concave, 3—13 in. long. Pedicels 14-2 
in. long. Flowers light purple, with yellow keels to the lip. Sepals 
oblong or obovate-oblong, obtuse, and sometimes incurved and concave, 
9-10 lin. long, light green. Petals broadly elliptic-oblong, obtuse or 
apiculate, 14-14 in. long, light purple. Lip trilobed, 14—14 in. long, 
light purple ; side lobes broadly rounded; front lobe quadrate-sub- 
orbicular, obtuse or emarginate; disc with 3 somewhat thickened 
keels in the middle; spur broadly conical, 5-6 lin. long, somewhat 
narrowed and subacute at the apex.—Reichb. f. in Gard. Chron. 1888, 
il. 616, 617, fig. 83; iv. 353; Ill. Hort. 1888, 49, t. 53; Will. Orch. 
Alb. x. t. 457; Veitch, Man. Orch. ix. 3. Eulophia gigantea, N. E. 
Br. in Kew Bulletin, 1889, 90. 
Lower Guinea. Angola: Golungo Alto; in swamps by the Cuango rivulet, and 
other parts of the province of Camilungo, widely diffused over the region, 1000-2400 ft., 
Welwitsch, 673! Congo: Ponto da Lenha, near the mouth of the Congo River, on 
river banks, Monteiro ! 
45. L. Welwitschii, Reich. f. in Flora, 1865, 188. Leaves 
lanceolate, acute, long petiolate, 2-3 ft. long, about 1} in. broad. 
Scapes 4-6 ft. high, stout; racemes 1 ft. or more long, many-flowered. 
Bracts broadly ovate or ovate-oblong, subobtuse, 8-10 lin. long. 
Pedicels 12-15 lin. long. Sepals oblong or obovate-oblong, subacute, 
9-10 lin. long. Petals broadly elliptical or suborbicular-elliptical, 13—14 
lin. long. Lip trilobed, 18-19 lin. long; side lobes broadly rounded, 
crenulate at the apex ; front lobe broadly oblong, subobtuse, crenulate ; 
disc with 3 deep, narrow, crenulate lamelle in the middle, the central 
