116 



CERATOSTYLIS ( EUCERATOSTYLIS) ANGTENSIS J. J. S., sp. nov. 



Caules approximati, teretes, c. 12'5-15 cm. longi, macerati 0'17 cm. diam., basi 

 vaginis tubulosis superne accrescentibus sese amplectentibus sicco membranaceis laxe 

 reticulato-venosis brunneis ad c. 2*25 cm. longis tecti. Folium erectum, subulato- 

 teres, acutiusculum, antice leviter longitudinaliter costatum cum sulco tenuissimo, 

 c. 2'7 cm. longum, maceratum c. 0*125 cm. diam. ; vagina tubulosa, antice rumpens, 

 c. 0'3 cm. longa. Inflorescentia fascicularis, pluriflora, squamata, pedunculis 

 partialibus tenuibus, 1-floris, c. 0'3 cm. longis, basi vaginulam latam obtusam 

 membranaceam c. 0'26 cm. longam gerentibus. Bractea ample cucullata, obtusa, 

 ovario multo brevior, membranacea, c. 0'14 cm. longa. Flores parvi, bene 0'4 cm. 

 longi, sepalis dorso parce pubescentibus. Sepalum dorsale oblongum, obtusum, 

 3-nervium, c. 0'25 cm. longum, bene O'l cm. latum. Sepala lateralia lacinia 

 oblique oblonga concava pedem gynostemii bene superante decurrentia, mentum 

 reversum ovario parallelum oblongum apice subinflatum obtusum bene O'l cm. 

 longum formantia, oblique oblonga, apice angustata, obtusa, 3-nervia, c. 0'24 cm. 

 tota fere 0'4 cm. longa, 0'125 cm. lata. Petala oblique oblonga, acutiuscula, 

 falcatula, 1-nervia, c. 0'2 cm. longa, fere 0'07 cm. lata. Lalellum 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, -| 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, explanation c. 0'35 cm. longum, medio 0'14 cm. latum, apice 

 incrassato bene O'l cm. longo, fere O'l cm. lato. Gynostemium ultra medium 

 bifidum, c. 0'14 cm. longum, brachiis parallelis, oblongis, obtusis, extus convexis, 

 intus concavis. AntTiera cucullata, transverse suboblongo-elliptica, apice truncata, 

 c. 0'0(5 cm. lata. Pes gynostemii reversus, cum ovario angulum acutum faciens, 

 apice a sepalis lateralibus libero obtusangule incurvus, c. O'l cm. longus. Ovarium 

 pubescens, c. 0'375 cm. longum. 



Hob. Arfak Mts., Augi lakes, isolated forest patch by ? lake, epiphytic, 

 7000'. Dec. 5718. 



A very inconspicuous species. 



The colour of the flowers is white. 



DENDKOBIUM ( CADETIA) SUBRADIATUM J. J. S. in Fedde Rep. xii. (1913) 

 27 ; in Nova Guinea, xii. (1915) 273, t. c. 171. 



Arfak Mts., Angi lakes, terrestrial in forest by ? lake, 7000'. Dec. 

 5542 and 5908. 



Distrib. New Guinea (D.N.W., Arfak Mts., Gjellerup). 



DENDROBIUM ( LATOURIA) RHOMBOGLOSSUM J. J. S. in Bull. Jard. Boh Buit. 

 2 e ser. n. ii. (1911) 9 j in Nova Guinea, xii. (1913) 44, t. xiii. 34. 



Arfak Mts., Angi lakes, marsh by ? lake, terrestial, abundant, 7000'. 

 Dec. 5511. Koebre ridge, between c? an d ? lake, burnt open summit 

 plateau, 9000'. Dec. 5009. 



Distrib. New Guinea (D.N.W., Goliath Mts., De Kock). 



