i-n i IMA. 



P. thlaspeos S. -liuli. < )n Tl>l<ixj>i' utj> f .<tr- and .! 



P. spergulae \l ('. < in >)/(/"//. ( I'.S. Am,-i 



P. arenariae (Si-lnnn.). < in .1 /.-//<"< and Sileneae, e.g. cultivated />/.//.//.. 

 li<irl>ntii*. (Britain and I'.S. America.) 



P. chryosplenii Grev. (in Chrysosplenium. ( I'.i-itain.) 



P. circaeae I'.T>. i >n Circaea. (Britain ami I'.S. America.) 



P. buxi ] >. ( '. (in Buxus sempervirens. (Britain.) 



P. umbilici Cnu-p. On L'ml>il<<-x. (Britain.) 



P. valantiae l'>-i-. < >n Hnl'mm. (Britain and I'.S. Ann-i' 



P. asteris I>ul>\. (Britain and I'.s. Ajnerica.) (in Aster, Artemisia, 

 .{Inlli-it, <'t'r.n'ii/,i, .////!/./, l)<>,-i>i,ir,i,,i. IMnwriulit ivjanU /'. //,///. 

 Kckl. uii A'-l'iH'-it a> a distim-t s|i-rit-, 



P. veronicae Srln -net. ) ( liritain). 



P. veronicarum I >. ( . Britain and I'.S. Anu-rica). -On I 



P. albulensis MaLrii. 



P. glechomatis !>.('. < In <il>;-l,, ,,,,,i (S. t >.t,i). ( Britain and I'.S. Aiihiica.) 



P. annularis (Strauss). On 7V./, <;,/,. (Britain.) 



Hemileia. 



Hemileia vastatrix. Bi-rk. -t Br. '1'liis i.ci-urs i.n tin- lca\r- . .f tin- i-ntl'-- 

 plant in Ceylon, Java, and Sumatra. It causes a \<-r\ d.-stnn-ti\i- di-'-.-i-,-. 



Sadi-lii-ck rri-i.iiinnMid> a> 1 nin I irs : (]) EeiiH'Val t' int'.-.-trd lra\<- and 

 tlp-ir .-tcrili/atioii liy dilnti- ai-id> nr Bnrdfatix niixluif. ( L' ( Sprasin- 

 the l-d> \\itli Bnrd.-aux inixtnn-. BO a> t<> kill tin- >pmcs \\liidi lia\.- 

 fallen th-r.-. 



Sf\t-ral ufiirra wliirli d nut ncciir in Kni'upi- niav !.. nu-iitioiu-d h-i.. 

 viz.: Uropyxis, Diorchidium, Chrysospora, and Sphaerophragmium ; al- 

 Masseella, Phakospora. and Schizospora. ; '\'\\>-\ i-..ntain luit t\-\\ >p. .!,-, 

 and limn- nf practical iinpi.rtanc,-. 



Triphragmium. ' 



~],i,ir> ilu'ci'-cfllcil : tuic cell is att.-irlifil tn ilic sporo- 



, ami canii-- llic other two; each cell ha- "He or hi"],- 



germ-pores. 



Triphragmium ulmariae (Schum.). ( I'.ritain. i Qredospores 



and teleiltOSpOreS Jirodnced mi 1 he same pl&Dt, Spiraea ('limn-m. 



The beleutospore-patcbea ate dark-l>ro\vn, the iiivdn--mi rcddi<li 

 yellow, \\hile the j.yciiidia (so-called spermogonia) are \'-lln\\ i>h 



1 Distinction, < M.ijnn-, /,'/. </. /. u/..7/. iminn. <!'-.. IV.HI, \< InT 

 - i.li-l.c. k. I'm ~ti mitiiriri - , / In-ill, Iv.i.v M. Ward, x 



\\ II., ( '..I. .ml,.., |s>|. 



: hi, id, /;.//.///. ./. </:n/-,-/i. \,<>t,i. Get., IMI."., \>. 



'Biblio ''i>ii> an, I i:.-\i-i ..... i.\ i;. M \\i.. isn.'j. p. ill . 



