ASCOMYCES. 401 



On fruit of Prim as 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 ; sporidia 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 — Tul., "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 (I. c.) that this species produces the 

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

 domestica, and P. Ghamo3cerasus ; also the so-called 

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

 P. communis. Asci 42 to 50/x long, 5 to 7/u broad ; the 

 stem-cell 16/x 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 



