PESTALOZZIA. 



493 



rind of young plants of spruce uiul silver fir, I succeeded in 

 finding near the place of constriction, a delicate myeelial stroma 

 enclosing some cavities (pseudopycnidia). ('"iiidia were formed 

 insiile these cavities and emerged to the exterior. They helonu t> 

 the genus 7 W'//o :;/', and have two In-own median cells, a trans- 

 parent stalk-cell to which the lunu stalk is attached, and a 

 1 1. Hi-parent terminal cell carrying two or three transparent thread- 

 like appendages (Fig. 303). < M-rmination result- in the emi-sion 

 "f a strong 'jeim-tnhf from one of the three lower cell-. It' at 

 any time the conidia dry np. the two clear traii-jMr-nt cell- 



l'ic.. ::0!. / At tip- )'. 



in.ii . X mliiimi ;ui'l rili'l h i ill.-.l. -n tli:it ^ruwtli in tlii' 



place; tl , li.ivc I'Liitinm.-.! to tin. !. n. Imt 



i.illy !> i- 



and the appendages easily fall nil'. BO that \i material 

 of this kind the rnnidia are only two-celled and In-own. The 

 mycelium after cultivation in nutritive -elatinc soon prodr 



conidia. 



This fiiii^u- \\a- found liy Ii'o-tru]i on l>eech, producin- much 



the 88 ...... iffeCtfi aS JH-t .|e.-c|-il.eil. Oil this host it lias heell 



found very destructive in younu natui-ally n-jenei-aied loiv-i, 

 the lot in I'.avaria and \\'ui Icmlnir- \\ilhin \ci\ recent years 

 ha\in- ln-eii e-timated at :'.<i per cent. It alfi ..... CUM "ii ash. 



SVeail|M|-e, mid other ll'ce-. 



P. funerea he-m. i I'.ritain and I'.s. America). The jpores ot 



