PEAR SCAB 



305 



PREVENTIVE MEANS.- -Similar to those recommended 

 under 'Apple Scab.' 



Goethe, Gartenflora, 15 Mai 1887. 



1 



A 



fv 



I 



* 



41 



,4', 



,. 



$f/ 



Fig. $>~L.^Fu$icladium firinum. i, fungus on the 

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

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



SWEET-CHESTNUT DISEASE 



(Acrospeira mirabilis, 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 



