dimidio apicali inflatum obtusum, medio spiraliter tor- 
tum, 2 cm. longum, supra medium 1.6—1.8 mm. diam- 
etro. Anthera erecta, crassa, 2.8-3.7 mm. alta, apice 
apiculata recurvata, canalibus porrectis apice angustatis 
2mm. longis; staminodia ligulata, leviter retusa. Brachia 
stigmatifera porrecta, cylindrica, apice truncata et leviter 
incrassata, 8.5 mm. longa, pubescentia; rostelli lobus 
intermedius anguste triangularis, superne productus, 
subacutus vel breviter bidenticulatus, antheram aequans. 
NyasaLanp: Kondowe to Karonga, 600-1800 m., July 1896, Whyte; 
Zomba Plateau, Mulungusi Stream, 1350 m., by stream side, March 
1937, Lawrence 341 (Tver). 
The differences between this and A. trachypetala 
Kraenzlin are given in the diagnosis, while the key given 
above indicates how the species differs from H. longiros- 
tris Summerhayes. 
Habenaria (§. Pentaceras) supplicans Swmmer- 
hayes sp. nov. ; a H. silvatica Schlechter floribus minor- 
ibus, petali partitione anteriore quam posteriore longiore, 
labelli partitionibus lateralibus quam intermedia longiori- 
bus, calcari fere duplo longiore, antherae canalibus stig- 
mata aequantibus; a HZ. tridenti Lindley habitu altiore, 
foliis laxioribus latioribusque, inflorescentia longiore 
multiflora, floribus arcuato-recurvatis, petali partitione 
anteriore et labelli partitionibus lateralibus pro rata longi- 
oribus differt. 
Herba terrestris, gracilis, 835-60 em. alta; tubera el- 
lipsoidea vel globoso-ovoidea, 1.5-2.5 em. longa, 1.5—2 
cm. diametro; radices flexuosae, sparse lanatae. Caulis 
erectus, teres, regulariter 10—13-foliatus. Molia 2-3 infima 
ad vaginas redacta, intermedia lanceolata, leviter acumi- 
nata vel acutissima, laminae basi = amplexicauli, tota 
usque ad 7.5 cm. longa et 1.7 cm. lata, 2-3 suprema satis 
minora, bracteis similia. Inflorescentia anguste cylindrica, 
[ 267 ] 
