Fig. 92. Sphaeriales. Various types. (A-E) Family Diaporthaceae. Diaporthe 

 ardii (Lasch) Nit. (A) Section through stroma with perithecia. (B) Section through 

 stroma with pycnidium. (C) Ascospores. (D) Alpha conidia. (E) Beta conidia. (F-I) 

 Family Xylariaceae. (F, G) Hypoxylon marginatum (Schw.) Berk. (F) Vertical section 

 through stroma showing perithecia. (G) Asci of various ages. (H, I) Xylaria suh- 

 terranea (Schw.) Sacc. (H) Stromata growing from piece of wood. (I) Section of 

 stroma enlarged to show perithecia. (A-E, courtesy, Wehmeyer; The Genus Diaporthe 

 Nitschke and Its Segregates, Ann Arbor, Univ. Michigan Press. F-I, from Ellis and 

 Everhart: The North American Pyrenomycetes.) 



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