Lissochilus.] cxxxiii. orchide^ (rolfe). 79 



xrile 3Land. British East Africa : Niamniam, North of the Ibba River, Schwein- 

 fnrth, 3983 ! 



18. la. latus, Rolfe. Racemes 6-8 in. long, many- flowered ; base 

 of scape not seen. Bracts ovate-lanceolate, acute, 3-5 lin. long. Pedicels 

 |-1 J in. long. Sepals oblong, obtuse, 8-9 lin. long. Petals broadly 

 subspathulate, obtuse, 8-9 lin. long. Lip pandurate, oblong, 9—10 lin. 

 long ; side lobes short, broadly rounded ; front lobe quadrate, obtuse 

 or emarginate, undulate ; disc with 3 crenulate keels, becoming elevated 

 lamellae in front, and the lateral also broad and thick behind ; spur 

 conical-saccate, 3-3^ lin. long. Column clavate, 5 lin. long. 



IMCozamb. Dlst. British Central Africa : Lake Moero, Carson, 28 ! 



19. Ij. 'Wilsoni, Rolfe. Scapes 1-1 J ft. high, slender, with a few 

 short sheaths. Bracts ovate or ovate-oblong, acute, 2—3 lin. long. 

 Pedicels 8-10 lin. long. Flowers white and pink. Sepals narrowly 

 subspathulate, obtuse, 8-9 lin. long ; lateral nearly free from the foot 

 of the column. Petals elliptical, obtuse, 7-8 lin. long. Lip pandurate- 

 oblong, obtuse, undulate ; disc verrucose or villous-scaberulous in front ; 

 spur broadly saccate, IJ lin. long. Column clavate, 4-5 lin. long; foot 

 short. 



zarile Iiand. British East Africa : Usongora, swampy plains, Wilson, 23 ! 



20. L. Millsoni, Rolfe. Scape 2-2\ ft. high, with a few sheaths 

 IdcIow ; racemes 6-8 lin. long, lax. Bracts linear-lanceolate, acuminate, 

 4-11 lin. long. Pedicels 8-11 lin. long. Sepals lanceolate or oblong- 

 lanceolate, acute, 11-13 lin. long. Petals oblong or elliptical-oblong, 

 obtuse, or subacute, 10-11 lin. long. Lip trilobed or subentire, 

 11-13 lin. long; side lobes narrowly oblong, obtuse, erect; front lobe 

 suborbicular, obtuse, undulate ; disc with 3—5 slender keels behind and 

 about 9 stouter crenulate ones on the front lobe ; spur conical, obtuse, 

 1 J-2 lin. long. Column clavate, 4-5 lin. long ; foot half as long as the 

 column. 



Upper Guinea. Western Lagos : Ilorin, on savannahs, Bowland ! Yoruba, 

 Ayorun, Millson, 86 ! 



TaO'weT Guinea T Upper Congo, Dyhovoslci ! 



21. L. purpuratus, Lhidl. in Joum. Linn. Soc. vi. 133 (331 by 

 error). *' Tubers like kidney potatoes, in chains nearly a yard long." 

 {Barter.) Leaves elongate-linear, acute, 1-lf ft. long, 3-5 lin. broad. 

 Scapes 3-4 J ft. high, with several short sheaths below; racemes 

 9-12 in. long, many-flowered. Bracts subulate-lanceolate, long 

 acuminate, J-1 in. long. Pedicels |-1J in. long. Flowers rose or 

 flesh-coloured, with a purple lip. Sepals oblong, acute or subobtuse, 

 a little undulate, 9-12 lin. long; dorsal a little shorter than the 

 lateral. Petals ovate-oblong, obtuse, a little undulate, 9-12 lin. 

 long, nearly twice as broad as the sepals. Lip trilobed, 10-12 lin. 

 long ; side lobes broadly rounded ; front lobe ovate-oblong, obtuse ; 

 disc with two prominent or muricate-tuberculate keels in the 



