spot on F7//.s California! in ( 'alitm-nia. Tin- leaves 



quite black on the lower surface, brown mi tin- uj>]"-r. The 



fungus has not as yet been reported mi cultivated \i 



Fumago. 



Conidia grey and two- or three-celled. 

 The species belong t<> ('"///> '//'"//' (see \>. 1 s i i. 



3. FAM. STILBEAE 

 1. SKR. HYAI.H-TII.BKAK. 



>' - t. A in<'f*i>i-<i--. 



Stysanus. 



( 'miidia pale-coloured, more or less spherical, and 

 on a dark cylindrical or clavate erect strunia. 



Stysanus veronicae 1'ass. 1 This produce- in.-ular -pot- mi 

 the leaves of cultivated Veronica ///////"//" in Italy, and causes 

 the plant to wither. The columnar stroinata an- produced on 

 the lower surface of the leaves, and nive oil unicellular cmiidia. 



St. ulmariae .M'W. 1 ' < >n Spirea rimnri'i in Ireland. 



Isaria. 



Sti-oiua erect, chu'ate, generally branched and bearing cmiidio- 

 jihores all over. The conidia are abjninted frmu the apex nf 

 the conidiophores, and are unicellular, hyaline, and rounded. 



Isaria fuciformis I'.eik/ Tliis disease, lir-t observed in 

 Australia, is described by Smitli as uccurriiiv, in Mn-land. It 

 attack.- grasses, e-j.ecially /'.v/ ////, during suniiuer. The -teni- 

 and eai'.- are Allied together by the t'lingu--.-! i miia. and d.nidia 

 are develnjted mi all parts of the plant-. 



Si.i:. THAI 081 11.1:1 \i . 

 5 t. /'/'I'li'/H'" '/" 



Isariopsis 



< 'oiiidia pale-ei.lmuvd, cyliiidi ical, and pluiicellular. 

 Isariopsis griseola Sacc/ prodiii-e- -pnt-> <>n leaves "t 



1 J/i i/irii/in, |S77, [>. I-'!. 



- M-\\ . .-IM y. Irish A'"' B/i '. \^->, p. '--' 



\\'..ltli. G, ^initll. /' 'lil <ni</ ' ' i 1^1. ] 



Brioflj :ui'l t '.i\':u A, l'i< ii'iln i > 



