392 ( ) ( ) 8.5 Xylp - Araf = - 4- - - -(1 3, 1 ( -(1 3, 1 4)-glucans) Liverworts -(1,3 -(1,4 -(1,4 Cellotriosyl/ cellotetrasyl units -(1,3 -(1,3 Homopolymer -(1,4 Microfibrils Pectin