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4- subSIobulatum c. 0.1 cm. diam. formantia, oblique triangula, 

 'Obtusa, concava, Inervia, costa dorso prominente, usque ad apicem 

 ovarii c. 0.15 cm., tota 0.18 cm. longa, basi 0.14 cm. lata. 

 Petala oblique oblonga, obtusa, concava, Inervia, c. 0.13 cm. 

 longa, 0.07 cm. lata. Labellum concavum, subovato-oibiculare, 

 obtusum, nervis 3 intus prominulis, basi appendicibus 2 reversis 

 triangulis concavis c. 0.04 cm. longis praeditum, totum c. 0.17 

 cm. longum,, 0.1 cm. latum. Pes gynostemii cum ovario angulum 

 acutum faciens, apice hamatoincurvus et a sepalis lateralibus 

 liber, linearis, inexplanatus c. 0.1 cm. longus. Ovarium pedicel- 

 latum clavatum, ôangulatum, c. 0.17 cm. longum. 



Celebes: Goenoeng Nanakan. (Exp. L. van Vuuren, Rachmat 

 n. 552, August 1913). 



In habit this species is similar to P. sciuroides Rchb. f., 

 P. appendiculatus J. J. S. etc., but in the form of the lip it resem- 

 bles P. lucescens Bl. and P. imitans Schltr. 



Description from herbarium spécimens. 



Potloc'liîBu!^ rlionïheias J. J. S. n. sp. 



Gaules tenues, ramosi, internodiis c. 0.1 — 0.15 cm. longis. 

 Folia parva, alternatim bifaria, patentia, basi semitorta, 

 lanceolata, setaceo-acuminata et apice recurvula, basi semiample- 

 xicaulia, supra in utraque parte sulci longitudinalis convexa, 

 costa média subtus prominente, tenuia, c. 0.5 — 0.6 cm. longa, 

 0.15—0.16 cm. lata, in basi ramulorum minora; vaginae tubulo- 

 sae, internodiis longiores. Inllorescentiae terminales, brèves, sim- 

 plices, pauciflorae, pedunculo plerumque vaginula elongata angusta 

 instructo, cum rachide flliformi flexuosa c. 0.5—0.6 cm. longo. 

 Bracteae basi reflexae, patentissimae, ovatae, sensim acuminatae, 

 concavae, ad c. 0.15 cm. longae (sicco). Flores c. 2-3, patentis- 

 simi, macerati c. 0.6 cm. longi. Sepalum dorsale ovatotriangulum, 

 apicem versus bene angustatum, obtusum, breviter apiculatum, 

 concavum, Inervium, c. 0.3 cm, longum, 0.18 cm. latum. Sepala 

 lateralia lacinia oblique oblonga concava ad pedem gynostemii de- 

 currentia, margine antico longitudine c. 0.17 cm. connata, mentum 

 calcariforme cum ovario angulum acutum fere rectum faciens 

 subrectum leviter incurvulum et apice paulo inflatum obtusum 

 retusum c. 0.27 cm. longum formantia, oblique triangula, acuta, 



