406 MR. HENRY RIDLEY ON ORCHIDEX AND 
ANCECTOCHILUS, Blume. 
A. Rermwarptu, Blume, Orch. Archip. Ind., p. 48, t. 12, 
fig. 2. 
Hab. Perak: Maxwell’s Hill! 
Kedah: Kedah Peak ! 
Not as common as the next. 
A. GENIcuLATA, Ridl., sp. nova. Caulis repens. Folia 2-3, 
1-2 poll. longa, 1} poll. lata, ovata, acuta vel subacuta, 
velutina, brunea aureo-reticulata; petioli breves. Racemus 
3 poll. longus, pauciflorus, pubescens, olivaceus; vagine 3 poll. 
longe, acuminate. Bractew % poll. longwe, ovariis breviores, 
lanceolatee acuminate, pubescentes, rufescentes. Sepalum 
posticum lanceolatum acutum rufescens petalis albis pellucidis 
adnatum, lateralia patenti-deflexa basi gibbosa rufa pubescentia. 
Labellum album; basis angusta, column parallela, tunc 
abrupte geniculata deflexa ; Macule 2, rufe, sub geniculo site ; 
fimbriz usque ad 18, longs; lobi obcuneati, erecti, truncati ; 
labelli apex acutus, dentiformis, deflexus. Calcar 2 poll. 
longum, sepalis longius, curvum, obtusum, latum, lateraliter 
compressum, basi a glandulis 2 ovoideis papillosis ornatum. 
Columna_ brevis, lata. Anthera elongata acuminata, rufescens. 
Pollinia clavata, incurva; caudiculus linearis, planus, in dorso 
canaliculatus; discus cuneatus, acutus. Stelidia falcata, decurva. 
Rostellum loratum, bifidum. Stigmata lateralia, rotundata. 
Hab. Singapore: Toas! Chan Chu Kang! and other 
wooded districts. 
Johore: Gunong Panti! 
Penang: West Hill, Curtis. 
Malacca: Mt. Ophir. 
This species differs from the last chiefly in the form of the 
lip. In habit and colouring of leaf it seems indistinguishable. 
The claw of the lip runs at first parallel to the erect colamn, 
then is abruptly bent downwards, and then again at right 
angles to the base. On this portion only are borne the white 
processes, about nine on each side, sometimes branched. The 
terminal lobes are rather narrower than in A. Reinwardtii, 
Blume, and are curvate, enlarged at the apex, and the point of 
the lip is tooth-like and abruptly deflexed. The knee of the 
claw is polished white, except for two red spots just below the 
i 
