113 



Hibiseus tilwceus, No. 208. 



Alodium tree; 4 ft. 6 in., girth, 35 feet over all; no 

 buttresses. 



Leaves. — Simple, alternate; petiole, 2 inches to 4 

 inches; blade, 2| to 7 x 2| to 7; cordate lapping 

 over at base; acuminate, pubescent, glaucous 

 below; green, shiny, above. 



Flowers. — Monochasial cymes of pentamerous ; 

 yellow dark red-centred flowers; many lobed 

 epicalyx; 5 inches across when full bloom, turn- 

 ing a rose pink when beginning to fade; style 

 with anthers adnate; stigma red five fid. 



Fruit. — A green dehiscent capsule f inch long; 

 dehiscing down five sutures; each segment con- 

 tains two membraneous receptacles holding five 

 seeds; seeds are uniform, 3-16th inch long; 



' brown; pubescent. 



Bark. — Grey, longitudinally ridged; corky brown 

 between ridges. 



Locality. — A purely coastal species, extending 



Vugust. 



not more than 10 miles inland. 

 Date. — Flowers Northern Division July to 

 Native name: Wariso (Buna). 

 Remarks. — Bark used for tying purposes. 

 Material collected. — Leaves and flowers. 



Hibiscus D'Albertisii F. v. M., !Nos. 28, 786. 



Medium' tree, 6 feet x 40 feet bole, 60 feet over all; 

 an understory tree of the rain forests; wide 

 branching, heavy foliage; no buttresses. 



Leaves. — Simple, alternate, exstipulate, entire ovate 

 cordate, 6 inches x 4^ inches; obtuse emargin- 

 ate, glabrous, thin; petiole, H inches. 



Flowers. — A showy pale pink flower, 3 inches xll 

 inches wide. 



Bark. — Grey fibrous more or 



less rough ; 



inner 



i 



solution slightly yellow; no precipitate. 

 Wood. — Sap white or light yellow, 2 inches; heart 



dark yellow or brown; soft to axe. 



142 brown, somewhat 



Rays. — Clear ; 



around pores 



brown, 

 l-40th inch 



sinuous 



deep, but show up 



\ery indistinctly on quarter. Pores. — Conspicu- 

 ous; 1,300 to 1,600 evenly scattered, single with 

 a few here and there more or less radially sep- 

 tate (2). Soft tissue. — Very fine lines indeed, 

 irregularly linking the rays; very hard to dis- 

 tinguish. General. — A grey timber subject to 

 blueing; rings of pore free wood show up on 

 cross section. Solution wood : colourless; no pre- 

 cipitate. 



foot. 



Bark. — Light brown, somewhat stringy; inner 

 bark pale pink ; 1 inch thick. Solution colour- 

 less; very faint greenish precipitate. 



Wood. — Sap, pale yellow; 2 inches thick; heart, 

 red brown. 



Kays. — Clear; 80-90; yellow slightly sinuous 

 around pores, depth very variable up to l-20th 

 inch; show up as oblongs on quarter. Pores. 

 Conspicuous; 2,500 to 4,000 in thickly and thinly 



sown /ones 



• 



single and 



A pak 



more or less radially 

 septate (2-4). Soft tissue. — Very fine concentric 

 lines, about 16 to the inch. General- 

 brown timber. Solution wood: colourless; a 

 very slightly greenish, discoloured precipitate. 

 Cuts soft and clean ; 34 lb. per cubic foot. 



Locality. — Veimauri, Vanaga, Aroa. 



Date. — April and June, 1922. 



Kative name. — Toto (Suku). 



Kemarks. — A light pale wood with the 



rings and rays showing up well on quarter; 

 medium soft wood. 



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



Thespesia popnl/ica, No. 214. 



Small straggling tree up to 35 feet high; much 



branched. 

 Leaves. — Simple, alternate, exstipulate; petiole up 



to 4 J inches; blade, up to 7} x 5|; cordate, drip 



growth 



pointed, venation yellow, prominent ; 

 more or less coriaceous. 



glabrous, 



Flowers, — Axillary, solitary saffron coloured 



centre dark red, but turns rose when fading; 



peduncles 1 {. 



rlohoj- 



flattened at 



Fruit. — A brown capsule, gionose, 



apex, containing about 10 silky brown seeds, 



three corneredly ovoid. 



Hark. — Rough, ridged, scaly; covered at intervals 

 with large pustules; outer bark i inch, brown, 

 corky; inner hark white, fibrous. 



Rays. — 200; yellow; wavy and very sinuous 

 around, and here and there broken by pores; 

 very Indistinct, oil quarter. Pored. — Clear; 

 5,000 to 7,000 in zones of less and more porous 

 wood; some are filled with golden deposit; single 

 and radially septate (2-3). Soft tissue. — Absent. 

 General. — A yellow, smooth, close and straight 

 grained, clear wood. Solution wood: colourless; 

 no precipitate. Cuts firm; 43 lb. per cubic foot. 



Locality. — Along the sea beach only. 



Date. — Flowers in July in Xorthern Division- 



Xative name. — Kuyuyu (Buna). 

 Material collected. — Leaves and flowers. 



Cuts soft and clean; 39 lb. per cubic Urena lobata, No. 349. 



Locality. — Veimauri, Vanapa, up to 1000 feet; 

 also Abunti, Middle Sepik. 



Date. — June, 1922. 



Native name. — Variva (Suku). 



Kemarks. — Though this tree does not attain large 

 dimensions, it is valuable for house props, hav- 

 ing the reputation of being as durable as No. 

 10 Afzelia Bijuga. 



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



A mallow — 4 feet high. 

 Flowers. — Mauve. 



Locality. — Old farm lands; 5,000 feet on lower 

 spurs of Mt. Obreo. 



Date. — January, 1923. 



Kemarks. — Very common in old farm lands. 



Material collected. — Leaves and flowers. 



Tl 



lespc.sta sp 



K 



o. 



31. 



BOMBACACEA K. 



Bombcu' nialabaricum Linn, Xos. 98, 608. 



A large tree without buttresses. 



Leaves. — Simple, alternate, grouped at the end of 

 the branches; petiole, 1 inch to 4 inches; blade, 

 4 to 6 x 3 to 4; cordate, entire, thin, acuminate, 

 glabrous. 



Flowers. — Yellow. 



Fruit. — Globose capsule containing silk covered 



seeds. 



A very large tree up to 23 feet girth and 90 feet 



hole; very heavily buttressed. 



Leaves. — Trifoliate, 

 Flowers. — Conspicuous ; red. 



Fruit. — A capsule, containing kapok-tufted seeds. 



Rays. — 72; brown, wavy, sinuous; 1-25 inch deep; 

 wavy hands on quarter, Peres. — Conspicuous; 



1,000 large, radially septate (2-3). Soft tissue. 

 Exceedingly close minute lines link up the 



