133 



oospore-coat (oo-poiv- of /'. viciat have a coat with :i regular net- 

 work). It occurs on steins, leave-;, and petioles of clovers, lucerne 

 and other Papilionaceae, often with disastrous effect. 



P. sparsa, I'.erk. (I'.i-itain and U.S. America). This pan 

 on the rose was first ol (served in Kmjland. It injures ind",,r 

 roses, causing a fall of the leaf, preceded hy the appearance ,,f 

 lilac-coli mred spots which, mi the underside of the leaf, are closely 

 In-set with a white coating of conidiophores. 1 



I'n.. i:;. Pen < nd <-'>]ii<li;i. (v. TuK-uf tU-1.) 



P. arborescens (I'.erk.). < >n leaves and shoots of wild and 

 cultivated pnppie< ; c^perjally injurious t. seedlings of -arden 



species. 



P. parasitica d'crs. > (Britain and I'.s. America). This pro- 

 diie. iter or le-s defiinuai ion <if attacked >teni^ of many \\ild 



and cultivated ( 'rneiterae. Amon->t culthated plants the nio-^t 

 liahle to injui-y are the \-ai-ii-tii-s .if turnip- and cahha-e, radish. 

 ia|ie, creSS, \\alltlo\\cr. a l~o the mi-nonet |c. It i- -eiieially found 



alon- \\ith r//,s/, v ///x candidus on >hephei'd'> pm>e (Capsel 



P. cytisi. Etostr., 2 attacks -eedlin-s of lahiirnnm in heninaik. 

 call-in death in a few '!.! The lca\o licconie hro\\n - 



1 Zeitchr\ft /. /'. //"/... n., \>. :;M;. oh .lipiimi \ 



;. / / ' ././((///.// /' n, I s '.'-. 



M.I . n . , Htdtcvj i . l v.i'J. 



in Sil. 



