nh nt tar 
117 , 
“Plant up to 1 m., perianth segments magenta outside and white inside ; 
abundant.” 
Denprosiom (§ Larourta) curvimentum J. J. S., sp. nov. 
Caules (1 adest) tenuiter clavati, c. 6-nodes (absque internodiis summis foliiferis 
brevissimis), c. 19-5 cm. longi, apice 8-folii, internodio maximo incrassato infra folia 
ce. 63 em. longo. Folia erecto-patentia, ovato-elliptico-lanceolata, apicem versus 
angustata, acuta, basi breviter contracta, sicco rigide coriacea, ¢. 5-6°7 cm. longa, 
12-16 em. lata. Inflorescentie e nodis summis inter folia, folia superantes, 
ec. 15-flore, pedunculo tenui, c. 5:2 em, longo, vaginulis ¢. 4 tubulosis acutis donato, 
rhachide sicco angulata, c. 4 cm. longa. Bractee late triangule, acute, concave, 
ec. 03cm. longe. Flores parvi, incurvi, carnosuli, glabri. Sepalwm dorsale cum 
ovario angulum obtusum formans, oblongo-triangulum, dimidio superiore angustatum, 
obtusum, concavum, 5-nervium, c. 0°54 em. longum, bene 0°3 cm. latum. Sepala 
lateralia ad pedem gynostemii decurrentia, mentum ovario parallelum valde ineurvum 
breve crassum obtusum basi subconstrictum bene 0°3 em. longum formantia, late oblique 
triangula, subobtusa, basi antice in laciniam brevem triangulam dilatata, margine 
superiore valde rotundata fere quadrangula, concava, 5-nervia, fere 0°5 cm. longa, 
basi 0°5 em. lata. Petala oblique anguste oblonga, faleatula, obtusa, basi leviter 
contracta, apice erosula, concava, l-nervia, c. 0°46 em. longa, 0°14 em. lata. 
Labellum pedi gynostemii insertum, unguiculatum, 3-lobum, concavum, carnosum, 
subexplanatum ec. 0°45 em. longum, O0°6 em., bene explanatum 0°65 em. latum, ungue 
pedi gynostemii parallelo valde recurvo, canaliculato, fascia longitudinali bicostata 
ad basin lamin dilatata et in dentes 3 conicos exeunte instructo, dentibus lateralibus 
membrana angusta labello adnatis, callo rotundato verruculoso ante dentem inter- 
medium, carinula transversa utrinque ad basin lobi intermedii, lamina transversa, 
c. 0°83 em. longa; lobi laterales inexplanati porrecti, paralleli, gynostemium et lobum 
intermedium superantes, explanati lobum intermedium «quantes vel vix superantes, 
late oblique ovati, rotundati, concavi; lobus intermedius transversus, bipartitus, 
concavus, subtus convexus et crasse carinatus, carina infra sinum in apiculum 
crassum conicum exeunte, lobulis oblique triangulis, margine antico rotundatis, 
obtusis, explanatis divergentibus, explanatus c. 0°14 cm. longus, 0325 cm. latus. 
Gynostemium a dorso compressum, in utraque stigmatis parte obtusangule dilatatum, 
absque anthera ¢. 0°175 em. longum, clinandrio concavo, margine denticulato, fila- 
mento incurvulo, oblongo, rotundato, auriculis paulo brevioribus, obtusis, leviter 
denticulatis. Anthera cucullata, transverse ovali-reniformis, basi rotundato-biloba, 
apice breviter rotundato-producta, c. 0-16 em. lata. Pollinia 4, in corpuscula 
2 oblique obovata supra convexa subtus plana unita, lateraliter compressa, interiora 
quam exteriora angustiora, c. 0°07 cm. longa. Stigma obverse triangulum, basi 
rotundatum, apice truncatum. Pes gynostemii cum ovario angulum acutum faciens, 
reversus, medio fere rectangule incurvus, oblongus, obtusus, valde excavato-concavus, 
inexplanatus ce. 0°35 em. longus. Ovarium valde incurvum, 6-sulcatum, ¢. 0°33 em. 
longum ; pedicellus 1-1 em. longus. 
Hab. Arfak Mts., Koebré ridge, forest, 8000-9000’. FI. (green). Dec. | 
5647. 
