minata, 8-4 mm. longa, circiter 1 mm. lata, uninervia. 
Labellum tere ad calear redactum:; lamina minuta, re- 
curvata, dentiformis, circiter 0.5 mm. longa, ante calear 
‘allo erecto dentiformi acuto antice anguste alato postice 
sectione V-formi circiter 2mm. alto instructa; calcar pro 
rata magnum, triente basali valde inflatum ore 3.38 mm. 
latum, triente intermedia anguste cylindricum, tum sub- 
ito incurvatum angustatum, triente apical leviter adscen- 
dente modice inflatum, apice ipso leviter recurvatum, sub- 
obtusum, in toto 12-14 mm. longum. Coluwmna interne 
inclinata, superne recurvata, circiter 8 mm. alta; andro- 
clinium dorso adscendens, excavatum;: anthera cucullata, 
antice sensim angustata, longiuscule rostrata, apice ipso 
breviter recurvata, 8.8 mm. longa; pollinia ellipsoidea, 
0.8-1 mm. longa, 0.6—0.8 mm. infra apicem stipitis in- 
serta, stipite dimidio inferiore angusto superne valde dil- 
atato pollinia fere amplectente circiter 8 mm. longo, vis- 
cidio minuto triangulari antice subacuto postice truncato 
secus medium convexo, 0.2 mm. longo; rostellum decur- 
vatum, modice productum, acutum vel obtusum, apice 
ipso leviter adscendens, viscidio amoto breviter bifidum. 
Linerta: Mt. Barclay, June 1912, Bunting 9 (Tyee in Herb. Mus. 
Brit. ). 
SouTHERN Nicerta: Eket District, 1912-13, Valbot 3287. 
This very remarkable plant was unfortunately over- 
looked when the Flora of West Tropical Africa was pre- 
pared. The general organisation indicates a relationship 
to Micrococlia Lindl., especially the leafless habit, very 
short stems, adnation of the base of the pedicel to the 
rhachis, column structure and common stipes to the pol- 
lintum. The distinctive features are the lip lamina re- 
duced to a tooth-like point and the tall erect acute callus 
placed just in front of the spur mouth; the generic name 
is given in allusion to this. This callus is keeled on the 
outside and hollow towards the column the two sides 
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