sYNCHYTKHM. 



109 



less swollen neighbouring epidermal cells. The sporangia contain 

 reddish-yellow drops of oil, so ihat the swellings appear yellow. 

 The organs attacked are much . _ 

 distorted and more >r less 

 -runted. 



The same fungus occurs on 

 other Gompositae, and is pro- 

 bahly identical with X san- 

 <jiilii' HI/I of Schroeter, which 

 produces dark red, eru.-ty swell- 

 ing on Cirsium /'////x//v and 

 1 'repis In'' nnis. 



Alun^ with X taraxcu >' one 

 often finds < iljiii! i n m simulans. 



S. fulgens. Schroetcr ( r. s. 

 America), produces reddish- 



Vi-llo\v -Wfllin^s on the leave> 



of n< ,nit]iii-ii ///-/////.s and < >. 



. . l-'ii.. 25. - Leaves ol 



muncata] when resting-spores .K-f.miK-.i i.y the nm^us 



, , that the laminae are all more or less un 



appear they torni brown crusts. (v . Tui.fuf ].h..t.) 



single 



which 



as vet 



Th- <ori of xoosjioi-an-ia are 

 detached from the host-plant as 

 iHMuiue scattered over the leavi 



S. trifolii. I'ass. ( = (>//>!, /;/i/,i //-//I///'/, Schroeten. is 

 liltle known. 



iMher American species are : 



S. papillatum. l-'arl, on Geranium. 



S. decipiens. Karl., on Aini>lii<'ri><i<-it. 



S. vaccinii, Thomas, 1 , on Vcr',nin ,,>, <;,<,, [tin ////. 7v'"/////". 

 Rhododendron, etc. 



Pycnochytrium. 



Tlie >ori of /o.ispuraii-ia are nut produced directly from the 

 mature sporuphoiv, Imt the cnntents nf ihe spm-i.phurc pa-> out 

 1-y a fine opciiiii- and form a thin-walled vesicle, tin- prot.ipla^m 

 "f which Kreaks up iniu sporangia. 



Sclii'octrr divides the genua into t\\'n sub-genera, 



i. /i M. , '<rh i/l riii in. Tin- discharge nf the 





Halated, ( 'r.mi>-i-i v -.ill n . A". Jersey Ag\ I "'!. 



Willi 



