4. Microcoelia Hirschbergii Swmmerhayes sp. nov. 
a M. Guyoniana (Reichb.f.) Summerh. inflorescentiis 
valde brevioribus, labelli calcari lamina duplo longiore ore 
angusto superne leviter inflato, pollinii viscidio quad- 
rato pro rata magno differt. 
Planta parva, epiphytica; caulis brevissimus, vix 1 ¢m. 
longus, radices numerosas flexuosas laeves 2-8 mm. di- 
ametro emittens. Jnflorescentiae fasciculatae, usque ad 
1.5 cm. longae, erectae, basi vaginis scariosis acutis prae- 
ditae, superne densiuscule usque ad 15-florae ; pedunculus 
brevis; rhachis angulata, gracilis; bracteae lanceolatae, 
acuminatae, 1-2 mm. longae. Fores sub-erecti vel erecto- 
patentes, albi labello basi maculis duabus brunneis in- 
structo; pedicellus cum ovario 8-9 mm. longus, tenuis. 
Sepala oblonga vel elliptico-oblonga, lateralibus obliquis, 
apice apiculata, 8.5-3.7 mm. longa, circiter 1.25 mm. 
lata, subtrinervia. Peta/la oblonga, apice acuta, 8 mm. 
longa, 1 mm. lata, uninervia. Labellum e basi angusta 
late ellipticum, acutum, integrum, in toto 8 mm. longum, 
antice 1.8 mm. latum, plurinervium; calear + cylindri- 
cum, ore leviter angustatum, superne leviter inflatum, 
apice obtusum, circiter 5-5.5 mm. longum. Columna 
brevissima, truncata, androclinio reclinato leviter exca- 
vato; anthera fere hemisphaerica, antice truncata vel 
brevissime producta; pollinia ellipsoidea, stipite quam 
pollinia breviore lineari-cylindrico, viscidio = quadrato 
pro rata magno; rostellum porrectum, breve, subacutum ; 
ovarium circiter 8 mm. longum. 
Betaian Conco: Katanga, near Elisabethville, 4500-5000 ft. alt., 
on trees away from water, Sept. 1923, Von Hirschberg 26 (Typr in 
Nat. Herb., Pretoria). 
A striking little species with a rather long cylindrical 
spur slightly narrower towards the mouth. The rostel- 
lum and also the stipes of the pollinium are exception- 
ally short the viscidium is relatively large being as broad 
[ 146 | 
