CLASSIFICATION 



1 . I I § I i ^ I i 



Reserve products 



Starch - - .0^____^^__ 



Fat or oils - -OO — •0# — O — — 



Leucosin - - — — — 0# — — — — — 



Mannitol - - — — # — — — — — — — 



Laminarin - - — — O — — — — — — — 



Floridoside - - — — — — — — — — # — 



Mannoglycerate - — — — — — — — — O — 



Floridean starch - — — — — — — — — # — 



Myxophycean starch — — — — — — — — — • 



Cyanophycin - — — — — — — — — — O 



Cell wall 



CeUulose - -••O — — 0#?#«3 



Pectin - - -OO — ••• — O — • 



Silica - - -— — — OOO — — — — 



Chitin(?) --00— — O — — — — 



Algin - - - — — • — — — — — — — 



Fucoidin - - — — O — — — — — — — 



Polygalactose - — — — — — — — — 3 — 



Sulphate esters 



Sterols 



Sitosterol - -•• — — — • — — O — 



Fucosterol - -00«*# — — — • — 



Chondrillosterol -O O — — — — — — — — 



Ergosterol - -OO — — — — — — — — 



Unidentified 



sterols - - — — — OO — — — O — 



• = Principal component. 



3 = Present in some quantity. 



O = Present but in small quantity. 



( — ) = Present in one or two species only: these may require confirmation. 



= Incompletely examined, but absent in those examined. 

 ? = Uncertain. 

 — = Absent. 



