excavato. Anthera hemisphaerica, antice leviter pro- 
ducta; pollinia subsphaerica, stipitibus duobus ligulatis 
deorsum angustatis circiter 1.5 mm. longis, viscidiis duo- 
bus lineari-oblongis antice acutis 0.8—0.9 mm. longis. 
Rostellum valde deorsum productum, viscidiis amotis tri- 
fidum; lobus intermedius subspathulato-ligulatus; lobi 
laterales breviores, lineares, acuti; omnes lobi dense 
papillosi. 
TANGANYIKA Territory: Lake Daluti, 10 miles east of Arusha, in 
complete shade on underside of forest liane, June 1942, Moreau 317 
(Tyrer); Uluguru Mts., west side of Lukwangule Plateau, 2400 m. 
alt., epiphytic in dry evergreen forest on Xymalos monospora Baill., 
Jan. 1943, Moreau 474. 
A characteristic member of the genus differing from 
its allies rather in the combination of characters than in 
any outstanding feature. It is more closely allied to sev- 
eral South African species than to its Tropical African 
congeners. 
Angraecopsis holochila Swmmerhayes sp. nov.; 
species distinctissima, ab aliis speciebus labello fere inte- 
gro, caleari plus 2 cm. longo, pollinii viscidio communi, 
stipitibus longis divaricatis facile distinguenda. 
Herba parva, epiphytica; caulis brevissimus, fere 0.5 
em. longus, paucifoliatus, radices flexuosas griseas glab- 
ras emittens. Folia saepius duo, oblongo-ligulata vel ob- 
lanceolato-ligulata, apice rotundata, leviter inaequaliter 
obscureque bilobata, basi angustata, 38.5—5.5 cm. longa, 
3-7 mm. lata. Inflorescentiae dependentes vel deflexae, 
foliis aequilongae vel breviores, laxiuscule 3-—5-florae ; 
pedunculus gracilis, teres, 1.5-2.5 cm. longus, vaginis 
duobus vel tribus, acutis, 3-8.5 mm. longis instructus; 
bracteae ochreatae, ovatae, acutae, 2-8 mm. longae, 5-10 
mm. distantes. Fores patentes, sordide flavi; pedicellus 
(cum ovario) gracilis, 5-8 mm. longus. Sepalwm interme- 
dium ellipticum, apice rotundatum vel leviter retusum, 
3.25 mm. longum, 1.75 mm. latum; sepala lateralia par- 
[115 ] 
