36 NEW YORK STATE MUSEUM 



Perithecia pauca, sparsa, prominentia, minuta, atra; sporae ellip- 

 soideae oblongaeve, hyalinae, 8-12 x 4-5 ,a . 



Phoma simillima n. sp. 



Perithecia densely gregarious, slightly prominent, at first covered 

 by the epidermis, then erump.ent, convex or depressed, minute, 

 black; spores ellipsoid, hyaline, 8-12 long, 5-8 /^ broad. 



Dead bark of pear trees, P y r u s communis L. Ithaca. 

 H. H. Whetzel. Rochester. April. F. C. Stewart. 



This differs from Cytospora piri Fckl., which inhabits 

 branches of pear trees, by its much smaller spores. The perithecia 

 commonly burst through transverse apertures in the epidermis. 



Perthecia dense gregaria, leviter prominentia, primus epidermide 

 tecta, deinde erumpentia, convexa vel depressa, minuta, atra ; sporae 

 ellipsoidea, hyalinae, 8-12 x 5-8 ,«. 



Phoma stictica B. & Br. 



On leaves of common box tree, Buxus sempervirens L. 

 Geneva. January. F. C. Stewart. Collected by S. M. McMurran. 

 This Phoma is said to be the spermogonium of Diaporthe 

 retecta (F. &N.) Sacc. 



Phyllosticta betae Oud. 



Living leaves of beet. Beta vulgaris L. Flint, Ontario co. 

 August. F. C. Stewart. 



Phyllosticta subtilis n. sp. 



Spots suborbicular, .5-3 cm broad, sometimes confluent, indefinite, 

 reddish brown; perithecia numerous, densely gregarious, hypo- 

 phyllous, minute, 80-120 // broad, blackish; spores minute, oblong, 

 straight or curved, hyaline, 8-12 //- long, 1.5-2 ^ broad. 



Leaves of Carya. Painted Post. September. 



This species departs from the ordinary character of the genus in 

 its narrow spores. 



Maculae suborbiculares, .5-3 cm latae, aliquando confluentes, in- 

 determinatae, fuscae; perithecia numerosa, dense gregaria, hypo- 

 phylla, minuta, 80-120 m lata, nigra; sporae minutae, oblongae, 

 rectae curvaeve, hyalinae, 8-12 x 1.5-2//. 



Physcia hispida (Schreb.) Tuck. 

 On red cedar wood, Juniperus Virginia n a L. Orient 

 Point. April. Sterile form. R. Latham. 



