366 J(M H.NAi. OK riiK ])ki' \i{ rMi;.\ T of Acnticri/riEK. — Oct., 1922. 



object in view of tTyi!i<i' to find ont more alioni ils mode of life, and 

 whether it niiji'lii Iw considcKMl u line iciiiisilc di ikiI. 



An ex;niiiii;il ion ot llie wood of ;ni ;i])iico1 lice altacked l)y 

 Schizopli jilhi III coin iini lie showed tlie jjresencc in tlic tissues of the 

 threads of tlic fungus (see fig'. 5); the wood is discoloured and 

 the vessels of the wood become ck)gg'ed up willi gum. The wood is 

 lendered veiy Inittle, l)ut the rot is not a " soft " one ;is in the case 

 of some wood lotting fungi. Phite II, figure -}, is a photogiai)h of a 

 plum branch showing' a similar kind of discoloration, thougli not 

 caused by Sf/ii:npJnj]]ii)ii coinniunc, in this case; and figure 4 a " soft 

 rot " of a living peacli brancli caused by a different fungus. 



Pi, ATE II. — Fig. 8. — Section of a plum tree brancli showing discoloratinn 

 of the wood due to the growth of one of the wood dt'stroying fun.Lii. 

 The leaves of this branch were xiirriy/I, which ]iointR to the fungus in 

 this case being one known as Sfprnim iniritiimnii. 



I I'hitio: 1. A. I'litlpr'ill. 



Sohi:))jj/i ijll N III i)i process of growing and s])i('ading in tlie 

 affected tissues i)roduces substances known -is rn :i/in<'s, similai' to tlie 

 dig'estive juices in animals; one enzyme enal)Ies the fungus to dissoU'c 

 the cellulose constituent of llie wood, anothei- to dissolve any starch 

 grains in the cells into ceitain sugais: another to render fatty sub- 

 stances assimilable, and so (ui. 



ScliizoplijjUii III ciiin III line is i)a it icula riy resistant to di'ying; 

 experiments are on record w]ii(di prove that dried fruit bodies retain 

 their vitality for at least five and a -half years when kept at room 

 teni])erat ui'e ; moreover, friiil l;odies i-emaiiie(l alive Un 7iiore than 



