OKDER SPHAERIALES 



279 



Fig. 91. Sphaeriales. Various types. (A) Family Lophiostomataceae. Schizostonia 

 montellicum Sacc. Perithecium. (B-D) Family Gnomoniaceae. Glomerella cingulata 

 (Stone.) Spauld. & von Schr. (B) Acervulus with conidia. (C) Perithecia in a stro- 

 matic base. (D) Ascus. (E, F) Family Allantosphaeriaceae. Diatrype virescens (Schw.) 

 Cke. (E) Vertical section through emergent stroma. (F) Ascus. (A, after Berlese, from 

 Engler and Prantl: Die Naturlichen Pflanzenfamilien, Leipzig, W. Engelmann. 

 B-D, courtesy, Stoneman: Botan. Gaz., 26(2):69-120, Univ. Chicago Press. E-F, 

 from Berlese: Icones Fungorum, 3:1-120.) 



