22 NEW YORK STATE MUSEUM 



Diplodia cercidis E. & E. 



Dead branches of cultivated C e r c i s j a p o n i c a Sieb. Lyn- 

 donville. July. C. E. Fairman. 



Diplodia hamamelidis n, sp. Fainn. in litt. 

 Perithecia gregarious, minute, depressed globose, black, at tirst 

 covered by the epiderriiis, then erumpent ; spores at first color- 

 less, then colored, for a long time continuous, finally uniseptate, 



20-28 X ia-12 !J: 



Dead branches of witch hazel, H a m a m e 1 i s v i r g i n i a n a L. 

 Lyndonville. September. C. E. Fairman. 



Perithecia gregaria, minuta, depresso-globosa, nigra, primus epi- 

 dermide tccta, deinde erumpentia ; sporae primus hyalinae, deinde 

 coloratae, diu continuae, denique uniseptatae, 20-28 x 10-12 tJ-. 



Diplodia tamariscina Sacc. 

 Dead branches of cultivated 1' a m a r i x p a r v i f 1 o r a DC. 

 Lyndonville. July. C. 'E. Fairman. 



Discina leucoxantha Bres. 

 Ground, under beech trees. Altamont, Albany co. May. 



Dothiorella divergens n. sp. 



Clusters of perithecia 1-3 mm broad, seated on or immersed in 

 a black stroma, suborbicular or elliptic, erumpent, surrounded by 

 the ruptured epidermis ; perithecia irregular, unequal, submembran- 

 ous, black, pallid within ; spores oblong, obtuse, straight or slightly 

 curved, sometimes uninucleate, hyaline rarely becoming greenish or 

 yellowish, 20-30 x 9-10 p-. 



Dead branches of apple tree, P y r u s m a 1 u s L. Menands, 

 Albany co. May. 



This species differs from Dothiorella m a 1 i E. & E. and 

 D. pyrenophora Karst. & Sacc. in its much larger spores. 

 It diverges from the generic character in sometimes having spores 

 slightly tinged with green or yellow. 



Caespites peritheciorum 1-3 mm lati, insidentes stromate nigro. 

 suborbiculares seu ellipsoidei, erumpentes, epidermide rupta circum- 

 dati ; perithecia irregularia, inaequalia, submembranacea, atra, intus 

 pallida; sporae oblongae, obtusae, rectae, vel leviter curvae, ali- 

 quando uninucleatae, hyalinae, rare viridescentes seu flavescentes. 

 20-30 X 8-10 /-I. 



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