XIV, 6 King: Philippine Bast-fiber Ropes 601 
Table XVIII. — Physical tests of rope 'made from the bast of Bombyciden- 
dron vidaliaymm. 
[Rope made at Lan^iden, Abra Province.] 
Mean diameter: 
Millimeters 
7.0 
Inches 
0.28 
Mean perimeter, or girth: 
Millimeters 
22 
Inches 
0.87 
True mean sectional area: 
Square millimeters 
31.6 
Square inches 
0.049 
Ultimate tensile strength (dry) : 
Mean in kilograms 
199 
Maximum in kilograms 
223 
Minimum in kilograms 
175 
Mean in pounds 
438 
Maximum in pounds 
515 
Minimum in pounds 
386 
Ultimate tensile strength (wet) : 
Mean in kilograms 
148 
Maximum in kilograms 
176 
Minimum in kilograms 
103 
Mean in pounds 
327 
Maximum in pounds 
389 
Minimum in pounds 
226 
Mean ultimate tensile strength per unit area 
(dry) 
Kilograms per square centimeter 
630 
Pounds per square inch 
8,940 
Mean ultimate tensile strength per unit area 
(wet) 
: 
Kilograms per square centimeter 
468 
Pounds per square inch 
6,670 
Mean elongation at instant of rupture : 
Dry (per cent) 
12 
Wet (per cent) 
14 
Mean weight per unit length: 
Grams per meter 
28.6 
"Pounds per foot 
0.0192 
Average breaking length : 
Meters 
6,950 
Feet 
22,800 
Moisture (per cent) 
8.56 
MALACHRA FASCIATA Jack. Paang-balhvis. 
Local names: Annabo (Union) ; bakenibakes (Ilocano, Itneg) ; malabi- 
tispapa (Bataan) ; pdang balhvis (Manila and vicinity, Tagalog, Panga- 
sinan) . 
A coarse, suffrutescent, weedy herb, introduced from tropical 
America, with coarsely hairy, palmately lobed leaves and axil- 
lary pink flowers ; in and about towns as a weed in waste places 
at low altitudes; locally very abundant. 
