Buesiella C. Schweinfurth gen. nov. 
Divisio: Acrotonae. Tribus: Kerosphaereae. Series: 
Pleuranthae. Flores minuti, racemosi. Perianthium cam- 
panulatum, partes liberae. Sepala oblonga vel elliptico- 
oblonga, cymbiformia. Petala ovali-ovata, leviter con- 
‘cava. Labellum non crassum, simplex, panduratum, 
columnae rigide affixum, medio bicarinatum. Columna 
conspicua, clavata, supra non alata, apoda. Anthera in- 
cumbens, galeata. Pollinia duo, oblique pyriformia, 
cereacea, sine stipite et caudicula ut videtur. 
Herba epiphytica, rhizomatosa. Pseudobulbi approx- 
imati, pergraciles, unifoliati. Folia angustissima. Inflo- 
rescentiae laterales, basales, racemosae. 
Buesiella pusilla C. Schweinfurth sp. nov. 
Herba parva, gracilis, epiphytica, rhizomatosa. Radices 
fibrosae, comparate crassae. Pseudobulbi numerosi, ap- 
proximati, in siccitate pergraciles, apice unifoliati. Folia 
anguste linearia, plusminusve conduplicata. Inflorescen- 
tiae laterales, basales, supra laxe racemosae et pauciflorae. 
Flores minuti. Perianthii partes liberae, campanulatae. 
Sepala cymbiformia, uninervia. Sepalum dorsale ellip- 
tico-oblongum. Sepala lateralia oblonga, paulo longiora et 
angustiora. Petala ovali-ovata, sepalis latiora. Labellum 
columnae adnatum, simplex, longitudinaliter concavum, 
expansum panduratum, acutum, medio bicarinatum. 
Columna valde clavata. Anthera incumbens, galeata. 
Pollinia duo, oblique pyriformia. 
Plant small, slender, epiphytic, with an ascending 
rhizome which is concealed by evanescent sheaths. Roots 
relatively stout, fibrous, glabrous, whitish, more or less 
elongate. Pseudobulbs numerous, approximate, very 
slender and striate-rugose in the dried specimen, cylin- 
dric, unifoliate at the apex, about 2-3.3 cm. long, some- 
times curved, subparallel with the rhizome. Leaves nar- 
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