CLADOSPORIUM. .~>o' t 



Cladosporium herbarum (Pers.)- T' n ' s species is found . 

 where on dead plant remain-, Inn n La also common ..a livinu 

 leaves of many plant-. Tin- tirst -u^e-i ion that tins form 

 might occur as a parasite came 1'mai I label landt ' and Frank. ' 

 It possesses a dirty-mw. thick, -epiate mycelium, which may 

 be colourless when young or growing inside a snb-tratum : it 

 a[. plies itself closely to tin- surface of plants and even p.-in- 

 i rates through the stotnata or cell-wall- into tin- fcissi Th-- 



conidiophores are erect, otherwise variable in form: they give 

 off coiiidia from the apex or from lateral pr<> The 



conidia are oval and contain a variable number "f >-<-\\<. <>r^aa> 

 of jilants attacked show grey spot-, and withered pan- if they 

 are still alive. 



The follow in- are some of the papers describing < '/.///..>/, ,-///,/, 

 In rim /-a in as, in certain circumstances, a parasite. I'rillieiix and 

 Delacroix, 3 on apple-trees and raspberiy-luishes; Cavara, 4 on 

 rasjiberry, cyeads, agave, and other plants; Sniaiiei. mi peas 

 Lopriore ' descrilies this fungus as the cause of a 

 disease on ears of wheat: the results of infection were however 

 somewhat variable. 



llit/ema I'-os reports it as producing disease, and in -ume 

 Cases death, in fields of oats. Kosaiahl aad Nobl.e" found 

 tliat. seedlin-.- of /'/'////.s ,-ii/it/it blackened and ilied .-ilddenly in 

 the lie-innin- of May, apparently from the attacks of this 

 fungus. .lanc/ewski ' States ilial llii- C/in/,,^ii,rii',n i- a conidial 



form of ,s/ /////, // //// Tnlii*ii<-i, a new species of A.scomj 

 'blished by him." 



Cl. elegans 1'enx. This cause- on ihe orange a disease 



"scab/ 1 which lias been injurious both in Southern I'.urope and 

 the Southern Slate- of America. '' It attack- chiefly wild or. 



|s7 s . 

 -It;. Krcmkheiten der Pflanzen, -'ml Edit., 1896, II., \>. -"._'. 



Illl/tl /ill '/ ill 90C. llll/'-"l<"l. </' I''* 'I,,*'', \ll. 



' Hi ni' mycologique, IVM. 



Illlinllill'-ll '/. /'//' . I SMl. 



'/;.,;,/,. ,/. deutsch. botan. <:". l^'.'_: La ivi 



Extrait tht /,'////. /; ,/, I'Academit I SftJ, 18 



- hoetakowitech (/Yora, 1895 ergzbd.) distinguishes ( 



- nl, in -i. Bulletin . 'i ''/"!', MIL. ^Mi. p l^l i 

 M v "'"'i'/, NIL, p :; i. 8 ' '" ' . " I ' 



U.S. .1. /' I '. "i .!," fi , 1 



