; A. 



119 



Another parasite of conifer seedlings FH*>II/" parasiticum- 

 which somewhat ivsi-nihles /'//// f< >/i//f/ir, is timnvd and di'sciiU-d 

 iimoiiList the " l-'unui imperfect i." 



Phytophthora infestans. I >e I'.ary. 1 This parasite was tir-t 

 observed in Europe in 1S4-". and has since then heroine 



KM.. -J'.'. 



i 



I: 19. i ,. -iiiiin ti---nr frmn MI- byledon of Beech. Tli. m- 



li;ivc II.-L-II :ilis.i|-!..-l H-..IM tli.- ..11 i.!-.it..j,l. l s] 1 i \vlii.-h li:i> ^ll!^lllk :i\v:iy I'l'i.iu tlu 

 ml.-i<x-!liil:ir l'tllij,':il liy)'li:ie witli VL-VV tiny li;iu*tMri:i ; 



ili/.i.-il cid^..iii;i. i-:u-li i-nnt:iiiiiii-: .1 -in^N >|ir.. (After I!. ll;irii 



I i,.. go. / . nit tin- i-pi.li-rini- "t ;i I'.. l"ii. n, 



itutiT wall ..f epidermal cell; ', fmi.-if; e, liyi'lia.- ^mwiir.' K-tw,- t n cell-wall 

 :ni'l .iiti.i,-, ( -:iii~in^ the .slight protuberance d\ , -p.'t \\II.T.- -.1 hyplui IM- 



. UK u. >! tliri'ii^li tin- cuticle- :tn<l d. \. l.i| ..1 :i- :i .-)...! .ini;i.'|'i -r tlic til -t 



sporangium bae i. u i,, .1 m:itMiity n second i.c^in.s t.' f..i m. g :m.i ' , svln-id.y tin 



-..I,, .1 in. m which aporaugiophorea h:iv.- devel 



( \it. i It. ll.irtiK.) 



only IH. well known. It attack^ Leaves, shouts, and 



IP |' potato and uther Snlanaccac, t.g. t!ie tmnati' ( X Lycapersicuvn). 



The potato leaves heconie discoloured, brown-Spotted, and 



crumpled, e-,peei;dly ill dlllllp Wc.ltllcr. The S pola II- jo] .ho I ex 



.iiidiophoiv> o|' !,- l',ar\ i issue IVoin the stoiuata in 



1 1. I'.uv, Journal of Botany, isTii, un.l J<n-ni of th /.' 

 IsTti. 



