162 



Xo. CIS 



A large tree, 8 feel in girth, with a 60-ft, bole, 



and 80 feet over all; spur-rooted. 

 Leaves,— Compound, alternate; rachis 4 ft. 9 in., 



swollen at base, bearing 7 to 15 alternate leaflets; 



petiole, 3-lf! inch; blade 2| to 3j inch; ovate, 



margin wavy, pointed, asymmetrical at base and 



oblique throughout; thin, glabrous. 

 Flowers. — Only buds seen; axillary panicles f 



white buds. 



Bark. — Grey, smooth, except for minute pustules 



and fine longitudinal lines; inner bark salmon, 

 with faint white lines; solution colourless, 

 cloudy; green precipitate. 



W ood. — Sap ill-defined, white deepening to a pink; 



axes and snlits with difficulty, better on the 



splits 

 quarter than on the back. 



Rajs, 



270, very sinuous, fine, pale; l-50th inch 



deep, showing up faintly on quarter* Pores. 



and radially sep- 



Cl 



1,200 to 2,000, single, 



rate (2-4). Soft tissue.— W 



inch, also immersing pores, also very fine broken 



lines, ladder-runging rays. General. 1 — A 



solution 



rays 

 pink wood, dense, hard: cuts 



hard ; 



pale, 



slightly pink, very faint mauve precipitate. 



■> 



Locality. — Yalu. 



Date. — December, 102 



Native name. — Angawu. 



Material collected. — Leaves, wood, bark, buds. 



Xo. 6:>6 



A large tree, 8 feet in girth, with a 30-ft. bole, and 



Le: 



reaching (JO feet over all; not buttressed. 



ives. — Simple, alternate; petiole, f to 1| inch, 

 swollen and black for | inch; blade, 4 to 6 

 inches x 11 to 2 inches; elliptical, more or less 



latex; solution red- Xo. 783 



Kays. — 270, straight, 



coriaceous. 



Hark. — | inch thick, dark-brown, and slightly 



scaly; inner bark just below scale bright yellow, 

 then pink yellow; exudes 

 blown, green-brown precipitate. 

 Wood. — White, sao undefined, axes hard. 



here and there broken by 

 pores l-'lTiOth inch deep, show up as lines on 

 quarter. Pores.— 200 to 1,000, in very thinly 

 and somewhat more thickly sown bands, single 

 and radially septate (2), Sqft tissue. — 



Numerous irregularly spaced thin lines; 

 surrounds pores; is attacked by fungus which 

 turns the tissue around black. General. — A 

 dense wood, cuts firm. Solution colourless, ffreen 



also 



precipitate; r>S lb. per cubic foot. 



Locality. — Hanep (hills of Upper Ivainu), 2,400 



feet. 

 Date.— April, 1924. 

 .Material collected. — Leaves, wood, bark. 



Xo. 795 



A small tree, 12 to 20 feet high. 



Leaves. — Simple, alternate, opposite and sub-oppo- 

 site. Petiole, 1 inch, twisted; blade, 6 inches x 



4 inches; acuminate, glabrous, thin, soft. 



Fruit. — Red, when fully ripe. 



Bark. — Grey, very tough. 



Locality. — Mogendo (Lower Sepik). 



Date.— 24th July. 



Native name. — Humbatoi. 



Remarks. — The bast yields a fibre much in demand 



for making the jolly net-bags so much worn by 

 ladies. 



Material collected. — Leaves and unripe fruit. 



No. 788- 



A small straggling tree with a stem ;! to 4 inches 

 in diameter, and attaining 15 to 20 feet in 

 height, 



Leaves. — Simple, whorled, subsessile, or shortly 

 petiolate, very swollen; blade 10 to 16 inches 

 long x 4 to 6 inches wide; lanceolate, oblanceo- 

 late, oval, elliptical, acuminate, under surface 

 pubescent. 



Flowers. — Axillary heads of conspicuous salver- 

 shaped, flannel-textured, sweet smelling, pale 

 cream flowers. 



Fruit.— Xot seen. 

 Bark. — Grey. 



Locality. — Abunti (Middle Sepik). 



Date.— 12th July. 



Material collected. — Leaves, flowers. 



An epiphytic orchid. 



Leaves.— Very fleshy in tufts at the end of swollen 



steins. 



Flo* 



rers. 



Large, 



showy, purple and white, in 

 18-in. spikes, on long— up to 3 feet— swollen 

 stems, standing out at right angles to the trunk 

 of the host. 



Locality. — Kaduba. 

 Date. — May. 



Remarks. — A handsome orchid. 

 Material collected. — Leaves and flowers. 



