MARSONIA. 4'Jl 



Marsonia juglandis < I. I'M pmduces on leaves \' ./>////<///.< little 

 greyish yellnw spots with In-own maiuiu^ : tin-re, ,n -in-mata an- 

 formed, which rupture the epidermis am! lilierate tin- lai '<!- 



shaped conidia. (Britain.) 



M. popoli (Lib.). On le&vea of speciea of Populus in Kim. pi- ami llritain. 



M. potentillae (I>--in.). (in >|>r<-jr-. nf /' lilla. Uritain.) 



M. campanulae l.r--. i-t All. ( >n Campanula latifolia, 



Tlit- fulli)\vin^ arc Xm-th Ann-rii an -|.rrif~ : 



M. toxicodendri (Kll. t-t Mart.). ( >n /,'/."< Toxicodendron. 



M. quercus 1'i-i-k. < Mi Quercut ili,-,'fn //,/. 



PHRAGMOSPORAE. 



Coryneum 



Tlie conidial patche> are Mack ainl di<e-like, and ruj-tiire the 

 ln--t-ei-ideniiis. Tlie cnnidia are oblong ur xjiiiidle-.- 

 yellowish, and pluri-ej-tate : they are al'jninted t'n-m 

 conidiophores. 



Coryneum Beyerinkii < >ud.' Tin- is stated ly IVverink t-> 



be the CaUSe nf a " ^Uln-tluX <-f eh.-l'l-y and allied <Jn-eie.S Of 



Rosaceae. It i> tin- emiidial fnrm nf A*-<>*i>rii (see ]>. I'll). 



C. camelliae Ma.- occurs \\ li\in- Camellia leaves at Kew. 

 ( llrilain.) 



Pestalozzia. 



1 '"iiidia spindle->ha]ied. with twi-'-r nmre ln-nwn mediim cells 

 and hyaline terminal cells, the mie at the free end cairyini: 

 -i,d eiliate processes. 

 Pestalozzia Hartigii Tnl-. ; The external effects "f thi-> 



di-ea-f h;|\'e licell li.ll- klln\\]|. althnll'_;ll the fliniM>> eall-illU it 



ha- nulv lieeii iveeiith' delrdcd. ll attack- \-iiiui- i-laiil- nf 



. I 



various trees and shruli.-. The symptoms are yellow discoloration 



nf the I'nlia-e. and cnll-t 1 jcl ji ,n cif |hc stelll JllSt almve the level 

 nf I he -nil, fnllnVVed 1 .y death nf the wlmle plant. At the 



cnii>ti-ielinii nf the -tdii the rind gradually dries up. whereas 



llei-!lll(ilirill'J pnltinll- en||til|l|e In -|HVV ill tllicklle-- till tilially 



the lurk i- rupture. I i |-"j-. .".Ui'i. In the livin- p.m nf the 



in-'/i'i , 

 1 oke, Grt eiUea, \\.. |.. s, 



\. 'I'lllpi-lll. /,'.,//-././. n,- K'lllllin-- ! I'i'ilillll. i-'lill.h' ('. |S>S; 11. I / 

 /'' 



