218 BOTANY OF THE UGANDA BOUNDARY COMMISSION. 
brunneo-puberulo; bracteis e basi triangulari acuminatis, 
demum  aristuliferis, pedieellos excedentibus; floribus 
parvis; sepalo dorsali elliptico, apiee breviter caudato ; 
sepalis lateralibus late triangularibus, obsolete eaudatis 
cum columns: pede mentum obtusum ipsis brevior 
formantibus ; petalis lineari-spathulatis, obtusis, obsolete 
apiculatis ; labello conduplicato, late unguiculato, trilobo, 
lobo medio orbiculare, obtuso, lobis lateralibus erectis, 
oblique ovatis, disco eum eallo tuberculiforme basi in- 
structo ; columna robusta, 1 mm. longa; eapsulis sparse 
puberulis, anguste oblongis. 
Hab. Lake shore, Musozi. Fl. & Fr. January, 96. 
Pseudobulbi 6:5 em. long., circa 4 mm. diam. Folia circa 
13-15 em. long., 1-2 em. lat. Seapus circa 10 em. long., 
pars florifera circa 5 em. long. Bracteæ 5-7 mm. long., 
pedicellus 2 mm. long.  Sepalum dorsale 5:5-6 mm. 
long., eauda breve (vix 2 mm. long.) inclusa, 3 mm. lat., 
sepala lateralia 7 mm. long. et lat., mento incluso (3 mm. 
long.) Petala 4-5 mm. long. Labellum 8 mm. long., 
4—45 mm. lat. Lobus medianus c. 3 mm. long. et lat., 
lobi laterales e. 1 mm. long. Columna 1 mm. long. 
Capsula circa 2 em. long. 
Near P. Kirkii, Rolfe, from the Mombasa district, which it 
resembles in habit, but is distinguished by the minute details of 
the flower, such as the shortly caudate dorsal sepal, shape of the 
petals, orbieular mid-lobe of lip, &e. 
POLYSTACHYA INCONSPICUA, Sp. Ov. 
Planta parvula, habitu P. alpine, Lindl., sicca nigrescens, 
caulibus brevibus cespitosis in radicibus numerosis den- 
sius nidulantibus; pseudobulbis angustis subteretibus, 
quoque cum vagina tubuliforme circumdato, unifoliatis ; 
folio sessile lineari-lanceolato, acuto ; scapo racemoso folio 
subzquali, glabro, in parte inferiore compresso, sub medio 
bracteato, supra medium florifero cum braeteis parvis 
late ovato-triangularibus, acutis, pedicellum brevem ex- 
cedentibus; floribus parvulis luteis; sepalo dorsali con- 
avo, late elliptico, obtuso; sepalis lateralibus dorsali 
similibus sed in mentum elongatum apice bigibbosum cum 
column: pede extensis; petalis spathulatis, obtusis; 
labello valde unguiculato, basi paullo ampliato, supra 
medium trilobato, lobo medio orbiculare, lobis lateralibus 
