150 



Xative name. — Dibaba (Buna). 

 Remarks. — Resembles 140 very markedly. 

 Material collected. — Leaves, wood, and bark. 



No. 151 



A large tree, 7 feet in girth, with a bole of 50 feet, 



having medium buttresses to 6 feet. 

 Leaves. — Simple, opposite; petiole, \ inch; blade, 



6 to 7^ inches; lanceolate, acuminate, glabrous; 



more or less coriaceous. 

 Bark. — Yellow to red-brown, scaly, scales papery; 



inner bark yellow-brown. 

 Wood. — Sap ill-defined, starting pale yellow next 



Ra^ 



bark, darkens to a deeper yellow at heart. 



s. 



160, yellow, exceedingly 



sinuous ; 



l-60th 



inch deep; show up clearly on quarter as lines 

 and oblongs ; 

 Pores — 



on 



back. 



very inconspicuous 

 8,000 to 9,000, single, and radially sep- 

 tate (2), evenly crowded into all available space. 

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

 with a pink tinge, straight-grained. Solution 

 wood colourless, blue precipitate. Cuts rather 

 hard ; 42 lb. per cubic foot. 

 Locality. — Suputu, near Buna. 

 Date.— July, 1922. 



Native name.— 



Remarks. — From 



Lala. 



an outward appearance very 



easily confounded with Lalagi, 226, and Lala, 

 221. Lala, 221, may prove to be a mountain 



variety. 



Lalagi, 



226, has alternate loaves with 



deciduous ligules : — (Worniia quercifolia.) 

 Material collected. — -Leaves, wood, bark. 



No. 152 



Large tree attaining 14 feet in girth, 100 feet of 



bol 



e 



> 



and 150 feet over all; spur-rooted to a 



A handsome, straight -growing 



s; 



certain extent . 



tree. 



Leaves. — Simple, whorled; petiole, If inche 



blade, 7 to 9^ inches x 2| to 3 inches; oblaneeo- 

 late, acute, coriaceous; pinky below; exudes 



latex at all veins. 



Fruit. — Only old germinating fruit seen; 4 inches 



x 1 1 inches diameter. 

 Bark.- 



*3 



» 



starting pale yellow, 



inch thick, red-brown, scaly, longitudi- 

 nally lined; exudes latex; iiuier bark white, 

 streaked with yellow. Solution colourless, no pre- 

 cipitate. 

 Wood. — Sap ill-defined ; 



deepens to pinky yellow. 

 Rays. — 3f)0, yellow, sinuous around pores; l-50th 

 inch deep; show Up as lines on quarter, Pores. 

 —2,500 to 3,000, single and radially septate (2, 

 rarely 3), evenly scattered. Soft tissue. — Fine, 

 irregular lines link up rays. General. — A yellow- 

 brown wood with a straight grain; a useful 

 wood. Solution wood colourless, faint green pre- 



cipitate, 

 foot. 



Cuts firm and clean; 37 lb. per cubic 



Locality. — Buna District. Best forest near village 



between Gona and Ointatandi. 

 Date. — Collected in June, 



Native name. — Borua (Buna). 



Remarks. — A medium softwood of good colour; 



polishes well, and is worth attention. Heavy, 

 small, pure stands met with in northern division. 

 Material collected. — Leaves, old fruit, wood. 



No. 



A large tree, 7£ feet in girth, with an unbuttressed 



bole of 55 feet. 



Leaves. — Simple, alternate; petiole, ^ inch; 

 blade, 5 A inches x 2 inches; lanceolate, acumi- 



nate^ glabrous, thin. 



Bark. — Pustular, brown; inner bark cinnamon- 

 brown, streaked with lighter brown. 



Wood. — Sap undefined, white or pale yellow. 



Kays. — 90, coarse yellow, sinuous around big 

 pores; l-60th inch deep; show up as light-brown 

 lines on quarter. In addition, there are a num- 

 ber of very fine rays, too fine to count. Pores — 

 2,500 to 3,500, single, and radially septate (2-3). 

 Soft tissue. — Very fine lines about 14 to the inch 

 radius, unevenly spaced, somewhat undulate. 

 General. — A mouse-coloured wood, straight- 

 grained. Solution wood colourless, no precipi- 

 tate. Cuts soft, but clean ; 48 lb. per cubic foot. 



Locality. — Saputa, near Buna. 



Date.— July, 1922. 



Native name. — Akoua. 



Mater 



cted. — Leaves, wood, bark. 



No. 155 



A medium tree, 5^ feet in girth, with an unbut- 

 tressed bole of 45 feet. 



Leaves. — Simple, alternate; petiole, ^ inch to 2 

 inches ; blade, 4 to 6 inches x if inches to 2£ 

 inches; lanceolate, acuminate, broadly serrate, 

 glabrous, thin. The leaves are crowded at the 

 end of the branches. ; 



Bark. — Pustular, dappled grey and dark brown; 

 inner bark streaked light-brown and yellow; 

 exudes abundant flow of latex. 



t ■ m 



Wood. — Saj> undefined, white or pale yellow. 



Kays. — 400, grey, fine, wavy, and sinuous around 

 the few pores ; l-50th inch deep ; show up well 

 on quarter as straight lines. Pores. — 1,500 to 



2,000, 



single and septate (2). 



Soft tissue. 



Very fine, short, broken lines, irregularly spaced, 

 about 170 to the inch radius link up the rays 

 General. — A grey wood with a pretty maple 

 quarter-grain. Solution wood faint yellow, fain 

 dirty green precipitate, 

 cubic foot. 



f 



Cuts firm; 41 lb. per 



Locality. — Saputa, near Buna. 

 Date.— July, 1922. 

 Xative name. — Bouye (Buna). 

 Material collected. — Leaves, wood, bark. 



No. 156 



A medium to large tree, 8 feet in girth, with an 

 unbuttressed bole of 30 feet. 



Leaves. — Compound, alternate, stipulate (3 in 1) ; 

 stalk up to 18 inches; leaves alternate, increas- 

 ing in size from base to the terminal one; the 

 last pair are opposite; petiole, \ inch; blade, 



2 to 8 inches x 1 to 2 inches; lanceolate, acumi- 

 nate, glabrous, thin. 



Bark. — Dappled grey and brown. Longitudinally 

 lined. Inner bark streaked red and white. Solu- 

 tion orange brown ; green precipitate. 



Wood. — Sap undefined; pinky yellow. 



Rays. — Conspicuous, 140, brown, wavy, and slightly 



sinuous around pores; 1-1 5th inch deep; show 



up as oblongs on quarter. 



Pores.— 1,500, 



rather evenly scattered, single and radially sep- 

 tate (2-:]), sometimes diagonally septate. Soft 

 tissue. — Thin, concentric lines or rings unequally 

 spaced, about 8 to the inch. General.— A pale 

 wood with pink tinge, with a pretty quarter- 

 Solution wood faint pink, faint green 



gram. 



precipitate. Cuts soft; 27 lb. per cubic foot. 

 Locality. — Soputa, near Buna. 



Date. 

 Native name. 



July, 



1022. 



Remarks. 



— Tongoli. 

 V medium soft timber. 



* - 



Material collected. 



Leaves, bark, wood. 



