& u:i;i IMA. 



\Voionin l in Finland, and later by Ludwio in the Krx mountains. 

 Tin- ascocarp developed from the sclerotia has no rhi/oid>. The 

 ascospores infect leaves, and there the conidia arc produced. 



Scl. padi Woi. Causes mummification ut' the fruits of 

 Prunus I'mln*. Woronin re-ards .]/// ///'-/ Linlinrtiumi Sac.-. as 

 belonvjnu to this Sclerotinia. 



\Voronin also considers the conidial form Mnil'><i dnerea 

 as related to the mummified fruits of cln.-irv. 



< i,-,ilii,-in nelant mi J/< */,//,/.< i-, prnKil.ly also a form nf some- Sclerotinia, 

 A Sclerotinia occurring <>n Cotoneaster /////</ ju-Milui-rs mummification of 



fruit, and forms roniilia mi tin- surface. 

 Mm.,'!,'-! fi-'H-tiifi-K'i nf the ajiplf, i-ai. rjuinc-c. jilum, jirai-li, etc., is in 

 all likelilicM.il a form of some ,sv-/, v v^//-A/, although tin- a- ns-fonn i- >till 

 unkijown (see also " Kmii:i im|n-rt'i'.'ti : '). 



Scl. betulae \Vi.r. (U.S. America). Tliis sclerotiuni <>f the 

 liiivh-fruit was discovered hy and l.rielly descrilit-d l>y A\'<irinin 

 in L888. Xawax-hm - has ivn-ntly re-in\ e-t i-ati-d it. and 

 named it the " hiu-h-catkin disease." It is fmind uii the 

 eatkins in .June. The fruits euntainin- sclerotia are 

 in shape, iii-tead of the normal elliptical form with hoth end- 

 : the wings are similar to those of healthy -eeds. The 

 is composed of a \~ery hard white pseudoparenchyma, 

 which passes in the fui m of a horse-shoe round one side of the 

 apex of the fruit (Kiv.. 1 :'!>.). The outer layer is Mack and very 

 tirm. Scl.-rotia placed on moj>i sand jiroduc.-il ascocarps at tin- 

 l""_:inniir_! of May. 1 >c-velopm>-nt in the opni also takes j,l 

 ahout this time. In the hired forests ii'-ar Si. I'etei -Inn - this 

 ili-ea-i- i- common, and hirrh-catkins containin- >c-lc-r<itia may 

 lie foiinil ahundantly amon--t fallen Leaves ahout the month of 

 M.iy. l-'roiu each sclerotium there are prodm-cd one or t\\c. 

 ascocarps, with rhi/oid- and stalks of a len-th \aryin- with 

 the depth of dead leav.-s on the -round. Tde apoihecia 



ai-e at tirst funnel-shaped, hut later l.ecame saucer-shaped 



and 1-hnm. lirnad, with .1 -olden or lle.-hv colour. The a 

 contain einht Spores wdic'd are foivil.ly ejai-ulaled, and if a 

 dandful of damp hired leal'-moiild is thi'own up into the ail' 



\\ ..... oin, Berichli << dev //. /.///(. 1891 I/-///. <! i'n--ii<l. iin/-. 



'/. / >''. /'./.;././/,-;/, IN! I.".. \\'illl lixc- pi..: 



! Xawoschin, >'/ /)';'//// /niii/n.. \\ \ . i:u--i,m lircM-liurc \\iili ' 

 plat* 



