461 
DIMENSIONS OF THE ULTIMATE FIBERS OF SOME PHILIPPINE FIBER PLANTS. 
Table of dimensions of some of the more important fibers 
[Table by Dr. E. B. Copeland, 
All measurements are in millimeters. ] 
Length of fiber cell. 
Name. i= 7 as noe 
mum, | Mean. | yum, 
Flax (Linum usitatissimum) ——~-~~--- 66.0 25-30. 0 1.0 
Hemp (Cannabis sativa) ------------- 55.0 22.0 5.0 
Jute (Corchorus olitorius) ~--.-------- 5.0 2.0 1.3 
Esparto grass (Stipa tenacissima) —_—- 3.5 0.5 1.3 
Spanish grass (Lygeum spartum) —-—- 4.5 2.0 13 
Bowstring hemp (Sanseveria sp.) ———- 6.0 3.0 5 
Paper mulberry (Broussonetia papy- 
PCr) es eee ese nee ee 25. 0 15,0 6.0 
Talipot palm = (Corypha umbra- 
CUILIET ) Meee we ee eee nae See 5.0 3.0 1.5 
Coconut palm (Cocos nucifera) —-—--- 1.0 7.0 Od 
(Taken from M,. Vetillart.$*] 
of textiles and paper. 
Maxi- 
mum. 
0.037 | 
- 050 
025 
O18 
- 020 
026 
. 035 
Mean. 
M 
m 
Diameter of fiber cell. 
ini- 
um. 
0. 015 
016 
. 020 
007 
.012 
O15 
- 025 
O16 
. 012 
Diameter. 
Length. ae = 
Name. Total. Lumen. 
Max- | Aver- | Mini- | Maxi- | Aver- | Mini- | Maxi- | Aver- | Mini- 
mum. }| age. | mum. |] mum.]!| age. | mum, | mum. | age. mum. 
Abaca (Musa textilis)__| 6,00 3. 98 Bao Os02) OnOl#e |S22a2o=8 50098 MOS00GG | bea. se 2 
Plantain (Musa sapi- | 
entum var. paradi- | 
SULCQ) 2 aes See 7.30 5.49 4.15 026 . 020 0.018 016 0106 | 0. 007 
Maguey (Agave can- | 
LULU) eee ee 4.93 2.38 100) .026) .018 O15 .013 | .007 004 
Cogon grass (/mpe- | 
TOL CLO) aaa eee 1.82} 0.99 OAGo) 202 eeOlt 005 013 | .0044 | 001 
Taldhib grass (Saccha- | | 
rum spontaneum) —_---| 2, 82 | 1.59 0.80 | sO20i | 720s O12 O10 . 0043 1115 
Bamboo ( Banbusa | 
ULM CAN1) Besse = \aenee eee 1) LS ee 0070 :|-535 22> | Sees eee al te 
Dwarf bamboo (Bam- | 
busa lumanpdao) ~~~ 4.10 2,57 1,20 028 . 0156 . 005 025 .018 001 
Rice straw (Oryza sa- 
bi) eb ee te ee eee O28 8:4 et epee Weeeercel| ee 020 wleiee Seon )ia sa oo ae ehe see o> Peo 
Buri palm (Corypha | 
umbraculifera) ~~~ 2.80 | 7b) 1,10 .015 | ,018 010 007 | .00384 |} .002 
used tn the manufacture 
We are greatly indebted to Mr. Elmer D. Merrill, Botanist of the 
Bureau of Science, for the collection and botanical identification of 
fibrous plants discussed in this paper and for other valuable assistance. 
% Htudes sur les Fibres Vegetales Textiles. 
