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Sepalum dorsale erectum, triangulum, obtusiuseulum, convexum, c. 0:06 em. longum 
et latum. Sepala lateralia oblique ovato-triangula, apice interdum plus minusve 
contracta, anguste obtusa, ec. 0-075 em. longa, 0:07-0-075 em. lata. Petala diver- 
gentia, anguste oblique triangula, subfalcatula, acuta, convexa, 1-nervia, c. 0-07 em. 
longa. Labellum simplex, decurvum cum ovario angulum obtusum faciens, medio 
fere obtusangule incurvum, subsigmoideum, manifeste concavum, 1-nervium, basi 
medio tantum affixum, callis 2 longitudinalibus parallelis approximatis oblongis in 2 
partibus inferioribus labelli, explanatum ovato-oblongum, anguste obtusum, e¢. 0-1 em. 
longum, fere 0:05 em. latum. Gynostemium cum anthera ¢. 0-06 cm. longum, 
clinandrio cum dorso gynostemii angulum rectum faciente, concavo. Anthera 
cucullata, ovato-triangula, basi leviter emarginata, apice anguste truncata, c. 0-04 cm. 
longa. Pollinia 8, clavato-pyriformia. Rostellum productum. Stigma trans- 
versum. Ovariwm obeonicum, cum pedicello angulum obtusum faciens, c. 0-06 em. 
_ longum ; pedicellus crassus, tortus, c. 0-06 cm. longus. 
Hab. Arfak Mts., ridge running up to Angi lakes, epiphytic in forest, 
8000’. Dec. 5993. 
From the other species this one is readily distinguished by its moderately 
dense and broad leaves and dense spikes. 
The flowers are said to be yellow. 
Var. masor J. J.8., var. nov. 
Caules elongati, inferne defoliati cum radicibus adpressis, ad ¢. 21 em. longi. 
Folia 2-4-8 cm. longa, 0°37-0°475 cm. lata. Pedunculus c. 2:25-25 em. longus; 
rhachis 4-5 em. longa. Flores majores. Sepalum dorsale c. 0-1 em. longum, 
0075 em. latum, lateralia 0°12 em. longa, 0°8 em. lata. 
Hab. Arfak Mts., Angi lakes, mossy slopes by 2 lake, 7000-8000’. 
Fl. Dec. 5536. 
This differs from the type-specimen only by its longer stems and larger, 
differently coloured flowers. 
The flowers are white. 
In the dried specimens the flowers of the type as well as those of the 
variety are greenish with a large white anther. 
DICOTYLEDONEZ. 
PrpERACcEs. (C. DE CANDOLLE.) 
Prirer arraxranum OC. DC., sp. nov. 
Ramulis glabris, junioribus in nodis hirtellis; foliis modice petiolatis glabris, 
limbo ovato-acuminato basi ima equilatera acuto apice longe et acute acuminato, 
5-nervio, petiolo basi ima vaginante ; peduneulo glabro quam petiolus breviore, 
spica quam limbus pluries breviore cylindrica et apice obtusa, thachi | pilosa, 
bractee glabre, pelta transverse elliptica centro late et brevissime pedicellata, . 
ovario inferne rhachi at haud profunde immerso superne libero ovato et glabro, 
stigmatibus rotundato-ovatis. 
