( <^97 ) 



not a (raco could \)e found of llio liltorpaper, wliilst tlio linen (dolli 

 liad hec'onie soft and j>nl)n-, lia<l Ntst all colioronco and could only 

 he reinoxed fi-oin tlio soil in pieces; tiie red horder, liouevei-, had 

 retained its oi-iiiinal sliuclure. The oi-ioinallv white tissue had 

 assumed the same yellowish-brown cohmi- so familiar to me from 

 the cnltnres on the pajier discs, while on mici-oscopical inxesli- 

 uation the IIImh^s ap|)eared to he much deconijtosed and disinlc- 

 urated into liltrillac and besides moidds an<l amoebae only small l)ac- 

 tcria w (M-e ol)ser\ed. On |tulliii<; some of the well-cleaned fibi-es 

 on ihe |>a[)er discs pi-ejiared as <lescribed above, I obtained after three 

 (laAs Ihe lupidly spread injj,', yellowisji-brown spots of the destructive, 

 small, i-od-shap(Ml [»i<>nient bacterium. A ccUulose-deslroyinii- mould, 

 Mi/C(>(/()/it' iii/cc/ft/o'/'f/cs, also c(ud(l be isolated from the linen, but the fad 

 that the \ cllowish-brow ii pi^ineiil bacterium was hei-e predominant, 

 could not l>e doubted. 



3. 77/7' df'coiiiitosltion of cellulose by moulds. 



The fact that cellulose may be attacked by cei-tain fungi has been 

 lii'st stated by de Hary ') for Peziza sclcrothim, and the same was 

 found by KissLixo '-') and l>y Marshall Ward ') for a kind of /ie^'yv/Z/.v, 

 bv Bf.hrens^) for Pseudodeoiafop/ioiYi, llotrijtis ruhjaris, Chdosporifnii 

 liri'luii'uni and Asjtert/illxs (/Itn/rifs. This last investigator did not notice 

 any decomposition by .]fifror stoloiiifev, PtmicilHuin (/laiicuii/ and 

 Pi'nicilliinn litfrum. Kounstamm') prepared a cellnlose-desti'oying enzyme 

 from }f('rurnis hicrijinaus the c(nnmon wood fungus. Wfat ") has 

 showiL \\\a\ Mon/li(( s/'top/i/bt. the "ontjom"" mould from Java, is caj ta- 

 ble of digesting cellulose and KoMN(i ') has found that one of the 



1) Ueber eiiiige Sklerolien u. Sklerolienkrankliciton, Hot. Zeit. ISSG, S. 377. 



~) Ziu- Biologie (Ier Botr//fis rhicn'o, Di.ss. Dresden, 18S9. 



■') A lily disease, Annals of Botany, Vol. U, 1888/81), p. 346. 



M T'.orkenc ii. nasse Faule des Tabaks. Der ,,Da(bbiand", Zeitsclir. 1'. Planzenkr. 

 Bii. HI. 1S<.»3. |). St. — Unlersucli. libef den Würzelschiminel der Reben, Clenlr.bl. 

 f. BakL, Abt. 11, lid. :'.. 1807, S. ÖSi. — Beitrage mv Kenntniss der Obslfaidnis, 

 Cenh^bl. f. B;ikl. Abt. II, lid. i, 1808, S. 5H. - Unters. über die Gewinn. der 

 Ilantraser durcb naliirl. Köslmetbeden. Ceiilrbl. f. Bakl. Abt. II, Bd. 8, 100:2. S. 1 Ii. 



•'') Aniylolytiscbe. glucosidspaltende, proleolyliscbe ii. cellulo.'^e lr»b;ende Feiineiile 

 ill bokbewobiieiKlen Pilzen. Beiliel'te /,. B..L Ceutrbl. lid. 10, Ib^l i, 1001., S. OO. 



") The inllueu<-e oC feeding (tn Ihe seerelion of eiizyinai' by Monilia sitopliila. 

 Proc. Jan. lOOl. - IV'ber den Kinflii.-; der Nalirinig aid' dii' Knzynd)ildiing diircb 

 Moiii/ia .^i/nplii/a (^\ns■\•) S.\(:<; .laliib. f. wiss. Bol. Bd. '.M\, Hell 4. S. 043. 



-") (!enot)lscli;ip jer Bev. v. \;duiii- en I b'cjkiiiiilr .Vmslcrd.iin. '2 series, dl. IV, 

 Afd. 5, Zitting 7 Dec. lOUl. 



