UVULAR! A. 



O. alnicola (<'k.-.). On . I ///-/.< glutinosa. 



O. scelerata (Ckej. On A 1 . //////,.-//,/.< sceleratut. 



O. rosea (Fuck.) pro<lu.-.-s inv^ular In-own -p.>ts mi tlie l.-a\.~ of 



is species of willow. 



O. asperifolii (Sa. .). On A'///,^//,///"/" offidnalis. 



O. veronicae (Fuck.). On spots mi l.-a\f- . .f !' ''/, 



O. lamii (Fn.-k.). ( >n ].'< mi" m. 



O. syringae (l!-ik.). < n >'_-////>//. 



O. sphaeroidea San-. .-ails,-- spms ..n Leaves of 



O. carneola Sa-r. On spots on li-aves of >',//-/////// //.<./..<./. 



O. bistortae (Fuck.). On spots on 1,-avc- ..f /'../</.//,,/, Butorta. 



O. obliqua (Cke.). On leave.-, of A'"-, 



i'. SKCT. 



Didymaria. 



two-celled, cnluiirl'-s, and jiruduri'd sin-l\- at the 

 -\tiviiiity of simple err.-: riniiliujlmres. 



Didymaria prunicola Cav. ('avava stat.'.s that this causes 

 rai.si-d roundish sputs un the upper surface .if leaves "!' j>luin : 

 tinally the leaves gradually dry up and fall otl'. Sim. In- two- 

 celled ccnidinplmivs are pmdiiccd. and -ive i.t!' each a tw.i-e.-lled 

 obovoid 



D. Ungeri < 'onl. on living lea\.'- of ll,i,,ii,,,-,il,i.< repens. ( I'.n'tain. ) 



D. astragali ( Kll. .-t \\><\. . F..innl mi leaves . >f .!.</,-/,/,//,/., ca 



D. spissa Hark. < in l.-a\i- nf >,,//,/,/,/,, occidentals ; ln-tli spf-i.-- in 

 N'mth .\iii-ri<-a. 



Bostrichonema. 



Conidiophores erect, spirally twistrd, unbranched, and n.in- 

 .-'ptatc. ('..niilia elliptic .,) ..l.l.,ni, f , twn-c.-llcd, and hyaline. 

 Bostrichonema alpestre Ces. < >n living leaves \' /'.'///'/.-///// 



i-i r/jiiiriiiii and /'. JH^tin-fn. ( P.rhain. ) 



B. modestum (!'.. el I'-. White). < MI leaves f . I /</< .//////// 

 "//"/'". ( I'.ritain. ) 



SI-.CT. rin:A.,\l<'-i'i n: \i . 



Ramularia. 



Conidiophores i-m.-i-'jiiio in tnl't^ from tlic siuiiiala: lhc\ give 

 oil' a terminal < "nidium. then Keinl ovei md ]>in.lucc .1 lat.-i.il 

 ciiiiidiiiin. and SO "ii thrv l>ranch in a -\ nip. >di;d iiiaiini-r, pi"- 



