121 



Fruit. — An asymmetrical pear-shaped fruit, some 



and 5 inches diameter, with 



6 inches 



long 



Remarks. — A showy flower. 



Material collected. — Leaves and flowers. 



peduncle set off the apex. The shell is brown 



and rough, and j inch thick, and inside are some Begonia sp., No. 405. 



twenty irregularly-shaped nuts which fit into 



one another. 



Bark. — Reddish-brown. 

 Wood.— White. 



Locality. — Wide Bay. 



Date. — September, 1923. 



A 



Native name. 



Remarks. — The kernel of tin 



migi 



(Sulka). 



nuts are eaten after 



washing to remove toxic properties. The shells 

 of the nuts are used as rattles on dancing masks. 

 Material collected. — Leaves and fruit. 



Datiscaceae. 

 Octomeles sumatrana Miq., Nos. 34, 589. 



Probably the largest tree of Papua; 15 feet girth; 

 100 feet bole and 180 feet over all. Heavily 

 buttressed; buttresses spread out 8 feet and 

 ascend to a height of 12 or 15 feet. 



Leaves. — Simple, alternate, petiole up to 12 inches 

 long in young trees and blade 12 x 9. In older 

 trees petiole 2-J to 5 inches grooved; blade 5 to 

 9 by 2^ to 7; cordate, acuminate, glaucous; mid- 

 rib and base of veins red-brown. 



Flowers. — Pendant spikes 12 to 18 inches long of 



sessile flowers. Only specimens seen were picked 



up off the ground and appeared to consist of 



unfertilized flowers. 

 Fruit. — K^ot seen. 



Rays, 

 bro 



Heart wood. — Conspicuous ; 100 



dark 



\vn; sinuous round pores 1/40 inch deep; 

 show on quarter as specks and wavy lines. Pores. 

 — Conspicuous. 1,500 to 3,500 in more or less 

 porous zones; singly and radially septate (2). 

 Soft tissue. — Absent. General. — A light brown 

 straight grained porous wood. Solution wood: 

 slightly discoloured; no precipitate. Cuts very 

 soft and clean. 23 lb. per cubic foot. Sapwood. 

 Same as heart, but the. colour is light yellow, 



and it weighs 21 lb. per cubic foot. Also the 

 wood is softer and more woolly to cut. 

 Bark. — Grey brown, scaly, 1 inch thick. Inner 

 bark red-brown. Somewhat ridged at butt. 



Locality. — Well distributed throughout the lower 



altitudes and alluvial flats all round the coast. 

 Attains largest dimensions on alluvium bordering 

 large deep rivers like the Vanapa, but is also 

 . to be found growing to a great size in pockets 

 of the foothills up to 1,500 feet. 



Locality. — Vanapa, Veimauri, Aroa, Kumusi and 

 all rivers of Buna District and foothills of 

 Hydrographer Range. 



Date. — Fruit ripening in September, 1922. 



Native names. — Ipa (Evara), Kakerim (Yabim), 

 L T su (Yalu), Erima (Eabaul), Ilinio (Motu 

 and Suku), Benumba (Buna, Binendeli, &c.), 

 I-Ohea (Vailala). 



Remarks. — A fine wood, suitable for all kinds of 

 indoor carpentering work. It has a pretty satin 

 grain, and is very light indeed. 



Material collected. — Leaves and spikes of dry 

 flower calyxes, wood, bark. 



Begoniaoeae. 



Begonia sp., Xo. 266. 



A plant 4 feet high. 



Flowers. — White. 



Locality. 

 Gap. 



2,500 



to 5,000; trail from Kokoda to 



A low herbaceous plant ; ground cover in the gul- 

 lies at 6,000-7,000 feet altitude. 

 Leaves. — Soft ; hairy. 

 Flowers. — White. 



Locality. — Between the Adai and Naro Rivers; 



6,300 feet. 

 Date. — February, 1923. 

 Remarks. — Common. 

 Material collected. — Leaves and flowers. 



Thymelaeaceae. 

 Drapetes erica ides Hook, f., Ko. 517. 



A shrub. 



Locality, 

 forest. 



Sarawaket grass lands and edge of 



Date.— November, 1923. 



Remarks. — Grows in association with 501, Sty- 

 ph elia. 



Material collected. — Leaves and flowers. 



L 



VT1IKACEAE. 



LagerstraemAa sp., No. 105. 



Medium tree, 8 feet girth and 50 feet boh 4 . Nar- 

 row buttresses up to S feet. 



Leaves. — Simple, opposite, stipulate, petiole { inch; 

 blade 41 x 3; ovate, acuminate, glabrous, entire, 



thin. 

 Flowers. — Terminal panicles. 

 Bark. — Less than \ inch thick 



scales leathery. Inner bark 



\v 



grey, scaly; 



k , streaked 



hit 



with yellow. The cambium layer turns mauve 



Solution sherry. 



soon 



after exposure to 



Green blue precipitate. 



Wood. — Sao undefined. 



air. 



yellow. 



Whit 



i 



> 



tfeeked witl 



:s,;>oo- 



4,000 large pores; single, 



;Eays. — 300 very fine, pale, sinuous, round, and 

 broken by pores. 1/80 inch deep; show up as 

 specks on quarter. Pores. — Conspicuous, 



some radially some 

 tangentially septate (2) in a narrow, 1/10 inch, 

 very porous zone; then less porous zone 1 ,*<)()- 

 2 ; 200 about 1/5 inch thick, here ilie pores are 

 smaller and septate 4 ones less plentiful. Then 

 another zone of porous wood and so on. Soft 



tissue. 



Conspicuous: broken zigzag lines con- 



of n 



necting the pores also edge ot nearly porous 

 wood is bounded by one or sometimes two con- 

 General. — An easy 



Solution 

 Cuts 



tinuous lines of soft tissue. 



working nice 



looking brown wood. 



Strong 



wood: copper. Strong blue precipitate. 



firm and clean. 35 lb. per cubic foot. 



Locality.— Vanapa. 



Date. — Flowers in Mav and June. 



Material collected. — Flowers, leaves, wood, bark. 



8o:sm;katiaceae. 



Sonneratia alba, No. 217. 



Largest tree on the sand beach. 13 feet girth, GO 



feet bole, and DO feet over all. No buttresses. 



Around the roots and sometimes extending over 



an area of 50 feet is a thicket of pneuniato- 



phores. 



Leaves. — Si ii pie, opposite, exstipulate; petiole 

 4/16 to 5/16; blade 1J inches to 6 indies by 

 1-5 inches, almost circular, but some leaves dis- 

 tinctly elliptical or oval; very coriaceous; vena- 

 tion indistinct; obtuse; glabrous. 



