ASCOMYCES. 40 1 



On fruit of Prunus Padus, P. domestica, and P. 

 spinosa. June. 



Name From the host plant. 



Bishop's Castle, Salop ! Sibbertoft (Rev. M. J. 

 Berkeley). 



2. Ascomyces deformans. Berk. 



Hypophyllous, rendering the matrix here and there 

 bullate, sprinkled with a white powder ; asci short, 

 cylindrical ; sporiclia elliptic, hyaline, 7 X 5//. 



Ascomyces deformans Berk, in " Outl.," 376, t. i. 

 f. 9, A, B ; and " Crypt. Bot.," p. 284 ; Cooke, " Handbk.," 

 No. 2233. 



Exoascus deformans Fckl., "Symb. Myco.," p. 252; 

 Sadebeck in Rabh., "Crypt. Flo./' p. 6. Taphrina 

 deformans- -Till., "Ann. Sc. Nat.," ser. 5, vol. v. p. 129. 

 Exoascus Wiesneri Rathey, "Oest. Bot. Zeit.," 1880, 

 No. 7. 



Exs. Fckl., " F. Rh.," 2063 and 2275 ; Kunze, " Fung. 

 Sel," 168, 274; Winter, "Fungi Eur.," 2035; Rehm, 

 " Asco.," 370. 



On living leaves of peach. June. 



Sadebeck says (L c.) that this species produces the 

 " witches' besoms " on Prunus Avium, P, Cerasus, P. 

 domestica, and P. Chamcecerasus ; also the so-called 

 "curl" disease of Persica vulgaris, P. Amygdalus, and 

 P. communis. Asci 42 to oOfj. long, 5 to 7/u. broad ; the 

 stem-cell 16^ or more high, 5/u, but mostly only 1-5 to 2/x, 

 broad. Notwithstanding their pointed lower ends, the 

 stem-cells do not force themselves between the epidermal 

 cells, but are seated on them. 



Name Deformo, to deform. 



3. Ascomyces bullatus. B. and Br. 



Tufts punctiform, at length confluent, at first covered 

 by the epidermis, which it raises in blisters ; asci clavate ; 

 sporidia 8, ovate or elliptic, subgelatinous, hyaline. 



Ascomyces bullatus B. and Br. in Berk., "Out!.," 

 p. 376; "Crypt. Bot," p. 284; Cooke, "Handbk.," 



2 D 



