subacuta, usque ad 9 mm. longa, circiter 2 mm. lata. 
Petala sepalo dorsali apice excepto valde adnata, oblan- 
ceolato-linearia, apice rotundata, basi columnae adhaeren- 
tia, circiter 6.2 mm. longa et 1 mm. lata, uninervia. 
Labellum oblongum vel obovato-oblongum, prope me- 
dium panduratum, basi cuneata sepalis lateralibus adna- 
tum, supra concavum, prope apicem utrinque leviter 
constrictum et lobulum suborbicularem formans, basi 
utrinque auricula lineari prominenti ornatum, usque ad 
6.3 mm. longum et superne 3.6 mm. latum. Columna 
circiter 5.5 mm. alta, sepalo dorsali adnata, in pedem 
brevem obliquum producta. 
This little orchid is the first American representative 
of the heretofore monotypic genus Manniella from 
Africa. 
VenezuELa: State of Bolivar, Cerro Guaiquinima, Rio Pardgua, 
**North Valley,’’ at 1600-1700 m. altitude, occasional in bogs, Janu- 
ary 4, 1952, B. Maguire 32978 (Typr in N.Y. Bot. Gard. )—Between 
El Dorado and Santa Elena, J. 4. Steyermark & S. Nilsson 278. 
Erythrodes robusta C. Schweinfurth sp. nov. 
Herba terrestris, valde robusta, circiter 9 dm. longitu- 
dine (segmentis in typo fractis). Caulis crassus, inferne 
decumbens cum radicibus perlongis gracilibus simplici- 
bus, circiter 1.3 cm. in diametro, multiarticulatus, foliis 
quinque vel sex supra medium praeditus. Folia longe 
petiolata; lamina ovato-elliptica vel elliptico-lanceolata, 
longe acuminata, usque ad 19-20 cm. longa et 7 cm. lata; 
petiolus canaliculatus, supra in folii basim cuneatam sen- 
sim dilatatus et infra in basim laxe vaginantem sensim 
dilatatus, usque ad circiter 8.5 cm. longus. Racemus 
densissime multiflorus, circiter 17 cm. longus, cum _pe- 
dunculo brevi glabro. Bracteae oblongo-ovatae, acutae 
vel subacuminatae, concavae, usque ad circiter 3.5 cm. 
longae, extus et in margine sparsim glanduloso-pubes- 
centes. Sepala densius glanduloso-pubescentia. Sepalum 
[8] 
