M l.KKi'llNIA. 



259 



cowberry shoots, the siomata being always avoided. In less 

 than three weeks conidia are produced. 



Tin- mode in which tin- -'Tin-tubes attack the host-plant is 

 very remarkable. Wurcmin says: "The germ-tubes developed 

 from the ascospores grow inwards towards the vascular bundlo 

 of the host-plant and enter them; then they continue to 

 develop, but now in the opposite direction from the interior of 

 the plant towards the periphery. Here a peculiar phenomenon i> 

 exhibited, the fungus exerts its injurious effects on the surrounding 

 tissues of the host-plant, then, having killed these, it utili 





Fi... K57. ' i I liltn-rry 



with '1, -fiii-iii. -.1 l>r.iii'-h U.-.-iriin; whiti- c-oniilial ].uU-h.-s mi its Inwt-r si.k- ; all 

 withi-p-'l l.-.-if. .1, < 'niiiiiiai ij'l .1 [Miiti'in enlarged, is. sh.>t with un 



i- h-Mltliy ri|.c IM-ITV ainl .1 l..\v, i niuiiinntir.l . . -iji .li-v.-l. .)..,! 



I'-i-i'tium. /', \ illt-r iii'-.q i-iiiin.iti.iii, :iiinthi-r 



ind ^ivin. : li;i. ( An. i- \\'..i . .nin. ) 



them as t<Hid-mate]-i;d." " Finally, the germ-tubea p'-netrate 

 ht;tui-i-ii tin- eli-nii-iils .if the .niter rind already killed, and 

 develop to a strolna-like cushion of l.-ir-e-cdlcd 

 par'-nchyma from which the chain- of coiiidia emer-e throimh 

 the ruptur.-d cuticle." 



..ll'l'i ;iUn |||i-|lti.ill> >''/. ni-i'itfiln'ln SaCC, "II ! ' ' 



/,/./- ./. ) 



Sclerotinia oxycocci \\'or. The -.Iciotiuin di >[' Un- 



true ciaiil'i'iis i Vaccinium Oxyct The spores of ihi> -p.- 



-mailer than those of Ui'- pr ceding: each aaCUfi contain- four 



