VALSA. 



225 



where leaves of the alder are dried in summer for use as 

 winter-fodder for goats. 



In the 1 branches attacked, a mycelium is developed in the 

 vessels of the wood, whereby the supply of water is stopped 

 and the bark dries up. JUack lens-shaped stroniata arise 

 under the epidermis of the twi^ and rupture it. The perithe<-i;t 

 are produced under the stroniata in the bark, and communicate 



/f 



.in Alntu -i, r.ii-ii.in ni' li-nui'-ii itii -ti 



nf ( ;'.:ii>_r tlii.Hi^h th. JM-I-I, In-iii iit I", mi plaoea, /.. I nl iivnl -i.-tinn 



through a stroma from i C, ABC! and ! '" .-ium. 



/'. I'l.iti.ni nf \IHIIIL;IT lir.uii'li with jn.Tii|fl in rii]'tini-'l I'V .-t i nin it.i, in wliii-h, 



.. r, tin- | rit! re i developed. /', *- - ' - - 1 - 



i ..f /'. (Alt. i- v. Till, 



.., 

 M'.-tinii ! lir. ni 



with the exterior by means nf Imi^ projecting aecks, 'Ib-- 

 asci contain ei-ht unicellular sp..re> of a slightly bent, rod 

 like -ha|ie. .Maturity is reached oil the dry dead t\\; 



Externally this disea e is identical in appearance with one 



I a.-ei-r!ailied tu be due to a beetle (CryptorhynckuS In jmtli i ). 



I- 



