22 NEW YORK STATE MUSEUM 



Diplodia cercidis E. & E. 



Dead branches of cultivated Cercis japonica Sieb. Lyn- 

 donville. July. C. E. Fairman. 



Diplodia hamamelidis n. sp. Fairm. in litt. 



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

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

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

 20-28 x 10-12 p-. 



Dead branches of witch hazel, Hamamelis virginiana L. 

 Lyndonville. September. C. E. Fairman. 



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

 dermide tecta, deinde erumpentia; sporae primus hyalinae, deinde 

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



Diplodia tamariscina Sacc. 



Dead branches of cultivated Tamarix parviflora 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 /■>.. 



Dead branches of apple tree, P y r u s malus 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 /-*. 



