144 
Gunong Tahan in the Malay Peninsula, which differs notably in having two 
seeds in each coccus, and this species and 7. oppositifolia Ridl. in New 
Guinea. (H. N.R.) 
ACRONYCHIA ARFAKENSIS Gibbs, sp. nov. 
Frutex prostratus vel erectus; ramuli teretes, bene foliati, cortice fusco- 
nigrescente circumdati. Folia parva, opposita, simplicia, petiolata, apice obtusa vel 
acuta, basi cuneata, margine integerrima, revoluta, coriacea, glabra. Corymbi 
axillares, breviter pedunculati, 1- vel 4-flori. Petala 4, patentia, valvata, apice 
incurva. Calyx brevis, 4-lobus. Stamina 8, subwqualia, filamentis ligulatis, glabris. 
Discus prominens, 8-gonus. Ovarium 4-loculare, loculis 2-ovulatis, ovula super- 
posita. Bacca carnosa, 4-sperma. 
Hab. Arfak Mts., Koebré Mt., on burnt open summit, 9000’ FIl., Fr. 
Dec. 5610. 
This shrub was characteristic of the exposed summit of the ridge asso- 
ciated with Myrtus prostrata, either spreading or erect to + 1 m. in height, 
with thick stems and dark green foliage. Leaves + 3 cm. by 13-2 em., 
roundish to lanceolate in shape, the veins, showing tertiary reticulations, are 
prominent on both surfaces. Petiole thick, channelled above, 9 mm. long. 
Petals + 4mm. by 1:2 mm. Stamens 3-6 mm. long. Ovary with disc and 
style 2°5 mm. long, the latter showing a few hairs at the base. Fruit red- 
brown in colour (dried), + 9 by 7 mm. 
This plant is distinct in its dwarfed habit and mostly thick, almost round 
leaves from any members of the genus so far known. 
ACRONYCHIA PAPUANA Gibbs, sp. nov. 
Arbor parva. Folia opposita, petiolata, uni-foliolata, apice cuspidato-obtusa, 
basi cuneata, margine integerrima, chartacea, utrinque nitentia, glanduloso-punctata. 
Cyme@ parve, axillares, pedunculate, 1—3-flore. Calyx 4-fidus, persistens, laciniis 
semi-orbiculatis. Petala albida, decidua, lineari-lanceolata, apice inflexa, subhamata. 
Stamina 8, filamentis patentibus complanatis, inferne ciliatis. Ovariwm tetragonum, 
disco 8-glanduloso impositum, stylus magnus, basin versus pilosus, 4-loculare, loculis 
biovulatis, ovulis superpositis. Fructus viridis, carnosus, tetraspermus. 
Hab. Arfak Mts., edge of spinneys by ? lake, 7000’. FL, Fr. Dec. 
5958. : 
The specimens show rather attenuated branching, with long internodes 
and thin round greyish-brown stems. Leaves + 6 em. by 3 cm., greyish in 
colour, the same on both sides (dried), the cusps under 1 mm. long, with 
well-marked midrib and many transverse parallel veins anastomosing on ihe 
margins. Petioles + 5 mm. long, terete and thick, articulated below the 
Jamina. Cymes with flowers barely 1°5 em. long, peduncle and pedicel 
each +5 mm. long. Petals 4 mm. by 15 mm., gland-dotted in the upper 
portion. Stamens strap-shaped, 2-5 mm. long, those opposite the petals 
somewhat shorter. Ovary with style 2mm. long. Fruit + 6 mm. in length 
and breadth. 
