116 
CERATOSTYLIS (§ EucERATOSTYLIS) aNGrENSIS J. J. 8., sp. nov. 
Caules approximati, teretes, c. 12°5-15 em. longi, macerati 0°17 em. diam., bast 
vaginis tubulosis superne accrescentibus sese amplectentibus sicco membranaceis laxe 
reticulato-venosis brunneis ad c. 2°25 em. longis tecti. Holiwm erectum, subulato- 
teres, acutiusculum, antice leviter longitudinaliter costatum cum sulco tenuissimo, 
c. 2°7 em. longum, maceratum c. 0°125 em. diam.; vagina tubulosa, antice rumpens, 
ce. 03 em. longa. Inflorescentia fascicularis, pluriflora, squamata, pedunculis 
partialibus tenuibus, 1-floris, c. 0°3 em. longis, basi vaginulam latam obtusam 
membranaceam ¢. 0°26 cm. longam gerentibus. Bractea ample cucullata, obtusa, 
ovario multo brevior, membranacea, c. 0-14 cm. longa. Flores parvi, bene 0-4 em. 
longi, sepalis dorso parce pubescentibus. Sepalum dorsale oblongum, obtusum, 
3-nervium, ¢. 0°25 em. longum, bene O01 em. latum. Sepala Jateralia lacinia 
oblique oblonga concava pedem gynostemii bene superante decurrentia, mentum 
reversum ovario parallelum oblongum apice subinflatum obtusum bene 0-1 cm. 
longum formantia, oblique oblonga, apice angustata, obtusa, 3-nervia, c. 0°24 cm. 
tota fere O-4 ecm. longa, 0°125 cm. lata. Petala oblique oblonga, acutiuscula, 
faleatula, 1-nervia, c. 0-2 em. longa, fere 0-07 cm. lata. Labellum cum pedi 
gynostemii angulum fere rectum faciens, gynostemio parallelum, ima basi ultra 
apicem pedis gynostemii obsolete productum, supra basin leviter recurvum, con- 
cavum, gynostemium bene superans, basi unguiculato-angustatum, 4 parte superiore 
contractum carnoso-incrassatum et utrinque convexum, obtusum, parte mediana 
marginibus incurvum et ciliolatum, 3-nervium, lineis 2 elevatis puberulis parallelis 
intus usque ad medium, explanatum c. 0°35 cm. longum, medio 0:14 cm. latum, apice 
incrassato bene 0-1 em. longo, fere 0-1 cm. lato. Gynostemium ultra medium 
bifidum, c. 0-14 em. longum, brachiis parallelis, oblongis, obtusis, extus convexis, 
intus concavis. Anthera cucullata, transverse suboblongo-elliptica, apice truncata, 
c. 0-06 cm. lata. Pes gynostemii reversus, cum ovario angulum acutum faciens, 
apice a sepalis lateralibus libero obtusangule incurvus, c. 0-1 cm. longus. Ovarium 
pubescens, c. 0°375 cm. longum. 
Hab. Arfak Mts., Angi lakes, isolated forest patch by ? lake, epiphytic, 
7000’. Dec. 5718. 
A very inconspicuous species. , . 
The colour of the flowers is white. 
Denprosium ($ CapDETIA) suprApIATUM J.J.S8. in Fedde Rep. xii. (1913) 
27; in Nova Guinea, xii. (1915) 273, t. 0. 171. 
Arfak Mts., Angi lakes, terrestrial in forest by 9 lake, 7000’. Dec. 
5542 and 5908. 
Distrib. New Guinea (D.N.W., Arfak Mts., Giallerip), 
Denprosium (§ Larourta) RHOMBOGLOSSUM J.J. 8. in Bull. Jard. Bot. Buit. 
2° sér. n. ii. (1911) 9; in Nova Guinea, xii. (1913) 44, t. xiii. 34. 
Arfak Mts., Angi lakes, marsh by @? lake, terrestial, abundant, 7000’. 
Dec. 5511 eda ridge, between o and 2? lake, et open summit 
plateau, 9000’. Dec. 5609. 
Distrib. New Guinea (D.N.W., Goliath Mts., De Kock). 
om roe 
