VOL. 29 No. 6 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
JUNE 1902 
Chemical Studies of the Cocoanut with some Notes on the Changes 
during Germination * 
By J. E. Kirkwoop anp WILLIAM J. Gigs 
(WiTH PLATE 19) 
" [From the Laboratory of Physiological Chemistry of Columbia University, and 
€ New York Botanical Garden, New York. ] 
SYNopsIs FAen. 
ON CS i iiss. ies cas sob be aa We: 322 
‘Il, Chemical composition of the ungerminated cocoanut..........s.sseseereeeeeeseees 325 
A. Proportions of milk, endosperm and shell in the husked nut..,.............. 326 
Be Sep OUI fiein oF the snilhes.. ci iok sinsiscs seh oslil Ns alae aa ES 328 
- Composition of the endosperm....... 331 
Pe OREAS CUD ORNSON ses sss) seve ean sues ES Sec 332 
ec ee ks 335 
¢. Crude fiber and PRE NO COT ghes oo oes iss ia setae abe ee cere eens o> 340 
ee os vies Se i ibs Apo ew 340 
€. Inorganic matter TG) fiiccics “geyssumbedesous ose de VuRrt panes o+nvesees 345 
f. Enzymes............ ashes discus asp dk eee ro we eee sca cance, 345 
Be ONION as ere ds aden inc ich Lce0 Seth nies Gaeasittoces io sonsn0esees 345 
D. Composition of shell MO PON ee ed ei alice y cb ics 346 
Wn a nut Deatlen gis oA Daves eae aeNY Sed Rows pice eens ab ee techies se sinyee 348 
eee in the cocoanut during germination, ..........:.../.s.0ise.scsbscoes sovsnees 349 
A. Morphological osc cath GE prs agen TNC oO) Drecoapuer ey’ ©. 45 AieCepenee eg reat 349 
B. “Chemical ec gic oo ag cee icp pos ennsubenscineses satus: athens BSA 
- Enzymes......... Sins ciebideeet dared CO SIRS Si 6a) Ns a 358 
Proceesteliminary accounts of some of the results of this research were given in the 
900, i of the American Association for the Advancement of Science,—: 275. 
Journal ras the Proceedings of the American Physiological Society. Ig00: American 
"Thon bYsiology, 5: 14. 1901. 
for the « ae “coco ”’ appears to be derived from ‘‘coc’’ or “ cocus,”’ a local name 
Tesembla ndian nut,’? the fruit of Cocos nucifera, given to it on account of a fancied 
face of nee of the base of the endocarp, with its three circular impressions, to the 
2. x9, oF espe when it utters a cry having a sound like the word. See f 2, 
€ term ‘*cocoa’’ should be carefully distinguished from ‘‘cacao,’’ the 
coco, of Theobroma cacao, from ** coca’? the derivative of Erythroxylon coca, from 
LPI : 
Sculenta the coco-kola of commerce, and from cocco”’ or cocoa root ’’ ( Colocasta 
-[lssued 20 June] 321 
