244 



Mycologia 



Sylloge as Phaeoapiosporae to be Didymosphaeriae with unequal 

 spore cells. 



Ceriospora Dubyi Niessl 



On old stems of Hamulus americanus Nutt. (14564 p.p.). 

 Host new. 



Ceriospora montaniensis E. & E. 

 On old stems of Clematis ligusticifolia Nutt. (13679 p.p.). 



Melanopsamma POMiFORMis (Pers.) Sacc. 



On a log of Populus angustifolia James (13552). 

 This is the var. minor of Saccardo. 



Diaporthe oligocarpoides Rehm 



Asci clavate-cylindric, rounded at the apex, short-stipitate, 8- 

 spored, 73-80 X 7-8 n, paraphyses not seen ; spores uniseriate, 

 oblong-ellipsoid, uniseptate, not constricted, one or two oil-drops 

 of varying magnitude in each cell, 10-12 X 3-33~4/ x - 



Differs slightly from the description in subcylindric, uncon- 

 stricted and broader spores. Probably unreported from the 

 United States. On old stems of Rosa (14761). 



Phaeodidymae 

 Otthia fruticola E. & E. 

 Otthia Clematidis Earle? 



On old stems of Clematis ligusticifolia Nutt. (14565 p.p.). 



Phaeophragmiae 



Leptosphaeria dumetorum Niessl 



On old stems of Ratibida columnifera (Nutt.) Woot. & 

 Standley (14742), on old stems of Nutt alia Rusbyi (Woot.) 

 Cockerell (14770), on old stems of Agrimonia striata Michx. 

 (14731), and on old stems of Melilotus alba Desr. (14783). 

 Also on old stems of Senecio scopulina Greene (14583) with a 

 Rhabdospora which may be connected with it presenting the fol- 

 lowing characteristics. 



