XIV, 6 
King: Philippine Bast-fiher Ropes 
605 
Table XX . — Physical tests of rope made from the bast of Sida acuta. 
[Rope made at Langiden, Abra Province.] 
Mean diameter: 
Millimeters 7.6 
Inches 0.30 
Mean perimeter, or girth: 
Millimeters 24 
Inches 0.95 
True mean sectional area : 
Square millimeters 49.8 
Square inches 0.063 
Ultimate tensile strength (dry) : 
Mean in kilograms 193 
Maximum in kilograms 216 
Minimum in kilograms 162 
Mean in pounds 426 
Maximum in pounds 476 
Minimum in pounds 357 
Ultimate tensile strength (wet) : 
Mean in kilograms 205 
Maximum in kilograms 213 
Minimum in kilograms 190 
Mean in pounds 453 
Maximum in pounds 470 
Minimum in pounds 418 
Mean ultimate tensile strength per unit area (dry) : 
Kilograms per square centimeter 475 
Pounds per square inch 6,760 
Mean ultimate tensile strength per unit area (wet) : 
Kilograms per square centimeter 502 
Pounds per square inch 7,190 
Mean elongation at instant of rupture: 
Dry (per cent) 14 
Wet (per cent) 18 
Mean weight per unit length : 
Grams per meter 33.5 
Pounds per foot 0.0225 
Average breaking length: 
Meters 5,770 
Feet 18,900 
Moisture (per cent) 8.67 
THESPESIA LAM PAS (Cav.) Dalz. & Gib. Marakapas. 
Local names: Amagong (Nueva Ecija) ; bulakhuldkan (Tagalog) ; dal- 
dal-upang (Ilocano, Itneg) ; kapas-kdpas (Union) ; kastule (Tagalog) ; 
kastuli (Rizal) ; makakdpas (Zambales) ; marakapas (Abra, Amburayan) ; 
maratarong (Abra, Ilocano, Itneg). 
An erect, slightly branched shrub, 2 to 3 meters high, with 
broadly ovate, usually three-Iobed, leaves; flowers large, 6 to 
8 centimeters long, yellow with a deep purple center, capsule 
