vel rarius recurvata, ligulata vel lineari-ligulata, apice in- 
aequaliter bilobulata vel subacuta, lobulo longiore usque 
ad 6 mm. longo, supra secus medium canaliculata, sub- 
carnosa, 2-7 cm. longa, 5-8 mm. lata. Inflorescentiae ex 
axillis foliorum ortae, brevissimae, 2—8-florae ; pedunculus 
fere nullus; rhachis fractiflexa, usque ad 8 mm. longa; 
bracteae triangulares, acutae, pedicello cum ovario duplo 
breviores. Flores albi; pedicellus cum ovario 4.75—-6.75 
mm. longus. Sepalum intermedium late lanceolatum, 
acutum, 5.25-6.75 mm. longum, 2.2—2.6 mm. latum, 
trinervium; sepala lateralia oblique lanceolata, leviter 
curvata, acuta, 4.5-7.75 mm. longa, 2—2.3 mm. lata, 2- 
nervia. Petala oblonga vel oblongo-lanceolata, subacuta 
vel obtusa, leviter obliqua, 4.5—6 mm. longa, 1.75-2.25 
mm. lata, subtrinervia. Labellum valde concavum, late 
lanceolatum vel lanceolato-ovatum, apice leviter acumi- 
natum, 4.5-5.75 mm. longum, explanatum 2.75-3.5 
mm. latum, plurinervium; calcar fere rectum, cylindri- 
cum, vix inflatum, 4-5 mm. longum. Columna crassa, 
1.25-1.75 mm. longa, structura generis; pollinia 0.6—0.8 
mm. longa; stipes 1-1.7 mm. longus; viscidium 1.3—1.4 
mm. longum; ovarium leviter 6-sulcatum, pilis brevibus 
furfuraceis instructum. 
Beteran Coneo: Angi, lava plains, on lava, Jan. 21st 1914, Bequaert 
5819. 
Ueanna: Kigezi, Kayonza Forest, Ishasha Gorge, cult. & flowered 
Busingiro, September 1944, Eggeling 5379; Kigezi, impenetrable 
forest, Nov. 1948, Eggeling 5845; Toro, 1500 m. alt., on trees in 
forest, coll. C. H. Lankester, cult. & flowered Kampala, Nov. 26th 
1921, Snowden 736; Toro, Itwara Forest, Aug. 1943, Eggeling 5372 
(Type). 
This species occurs in the region around the main rift 
valley in East Africa, between Ruwenzori and the Vir- 
unga Mountains further south. Although usually a forest 
plant, it also occurs on lava in the voleanic areas. This is 
true of a number of other orchids which are normally 
epiphytic. 
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