PEAR SCAB 



305 



Preventive Means.- -Similar to those recommended 

 under 'Apple Scab.' 



Goethe, Garienflora^ 15 Mai 1887. 



/ 



■-V '■-m^v'^^- 



Fig. 81. — Fusicladiiim piruium. i, fungus on tht> 

 upper side of a pear leaf ; 2, fungus on a pear ; 3, 

 conidia, a, borne on the tips of conidiophores, l\ x 300. 



SWEET-CHESTNUT DISEASE 



{Acrospeira mi?'al>ilis, Berk.) 



The ripe fruit of the sweet-chestnut {Castanea vesca^ 

 Gaertn.) is sometimes filled with a dense blackish-olive 

 felt belonging to the fungus named above. Nothing as to 

 the life-history of the parasite is known. The disease 



U 



