51 
Geelvink Bay—Pothos sp. not seen in flower or fruit, *Piper Forstenii 
with huge leaves, also sterile. The scandent fern Thysanosoria dimorpho- 
phylla (Pl. 4. fig. 7) with fertile fronds at the apex of the shoots, the type 
of a new genus, was very common with *Lygodium digitatum, °Freycinetia 
lanceolata, *Dracena angustifolia, *Flagellaria indica in huge examples 
running up the tallest trees in the forest, and *Zanonia macrocarpa enveloping 
most of them in its heavy curtains. 
Epiphytes.—As in the littoral korang forest these were not numerous and 
not a single orchid was collected. Possibly the thick swathing growth of 
climbing epiphytes and stem-clasping lianes may, to a certain extent, account 
for their absence, also perhaps the porous nature of the subsoil, which 
reduces the constant evaporation so essential to the support of the large 
epiphytic flora common to the primary high forest of the foot-hills. The 
moss *Pelekium trachypodum on dead wood, the fern * Antrophyum reticu- 
latum, with the white-flowered °Mymecodia pulvinata, were collected. 
Undergrowth.—The hepatic *Dumortiera velutina was found in patches, 
and the ferns *Stenosemia aurita always in colonies, while * Asplenium laser- 
pitiifolium, * Aspidium Lenzeanum, with *Dryopteris truncata and * Diplazium 
proliferum, the two latter like small tree-ferns in habit, were dotted about. 
Small colonies of the creeping *Hemigraphis reptans, * Geophila reniformis, 
with the orchids, always grouped, Microstylis Gibbsew and the larger orange- 
green °M. zanthocheila, with Liparis maboroensis var. bistriata. Of larger 
plants, *Centotheca lappacea and *Schleria maryaritifera, the small white 
Dracceena novo-guineensis with very screwed leaves, were abundant; Pellionia 
Vanhasseltti massed on a prostrate trunk and on the ground beneath, the 
stinging °Laportea armata about 1-2 m. high, gregarious on a small soak- 
area, and the shrubby Amarocarpus Wichmannit, about 1 m. high with 
dorsiventral branches, were scattered over the surface, which showed no 
understaging of shrubs and little even of young trees. 
In the denser undergrowth at the base of the forest, on the drainage-line, 
abounded * Aspidium pachyphyllum with fertile and sterile fronds, °Aglaionema 
novo-guineensis about 1 m. high, the leaves crowded towards the top and the 
flowers with green spathes and white spadix and red fruit, and °Cyrtosperma 
macrotum ; °Alocasia acuta, a peculiar plant with large fleshy leaves on long 
petioles, crowded at the apex of a stem about 2 m. high, with the flowers 
bunched in the axils of the leaves, was common, with the white *Peristrophe 
jalappefolia, not previously recorded outside Java. Schismatoglottis dorensis 
spread in large colonies in more open places where the white translucent 
Clavaria Gibbsew and * Dictyophora phalloidea, always yellow, were plentiful, 
the presence of the latter being invariably revealed by the smell, with 
*Geaster jim! riatus and the smaller G. mirabilis var. trichijer. 
