62 NEW YORK STATE MUSEUM 



Septoria aceris-macrophylli 



Spots distinct, orbicular, 3-8 mm broad, amphigenous, pale red- 

 dish, slightly paler in the center; perithecia minute, 1/6 mm broad, 

 on the upper surface of the leaf, central, few, black ; spores fili- 

 form, curved, 20-40 // long, 1.5-2 n broad. 



Living leaves of Acer m a c r o p h y 1 1 u m Pursh. Port 

 Madison, Washington. August. E. Bartholomew. 



Maculae distinctae, suborbiculares, 3-8 mm latae, amphigenae, 

 pallide ruf escentes, centro leviter pallidiores ; perithecia minuta, 

 1/6 mm lata, in pagina folii superiore, centralia, pauca, nigra • 

 sporae fili formes, curvae, 20-40 x 1.5-2 m. 



Septoria angustissima 



Spots amphigenous, .5-1.5 cm broad, sometimes confluent and 

 occupying half the leaf or more, reddish brown above, paler be- 

 neath, not brown margined ; perithecia mostly epiphyllous, densely 

 gregarious, orbicular, about .5 mm broad, depressed or broadlv 

 conic, opening by a central pore, black ; spores filiform, extremely 

 slender, curved or straight, continuous, eguttulate, hyaline, 18-30 p- 

 long, scarcely i !>■ broad ; sporophores shorter and thicker. 



On leaves of osage orange, Maclura pomifera (Raf.) 

 Schneider. Aberdeen, Mississippi. August. F. D. Kern. Col- 

 lected by T. C. Frye. 



Remarkable for its very narrow spores. 



Maculae amphigenae, .5-1.5 cm latae, aliquando confluentes 

 foliique partem dimidian occupantes, supra rufo-brunneae, infra 

 pallidiores ; perithecia vulgo epiphylla, dense gregaria, orbicularia 

 depressa vel late conica, poro aperientia, nigra ; sporae filiformes, 

 pergraciles, curvatae rectaeve, hyalinae, eguttulatae, 18-30x1/7. ; 

 siX)rophori breviores et crassiores. 



Septoria ficarioides 



Spots amphigenous, suborbicular, usually only one or two on .1 

 leaf, pallid; perithecia few, epiphyllous, 100-150 i>- in diameter, 

 black; spores filiform, straight or slightly curved, hyaline, 25-40 

 long, 1-2 i>- broad. 



Leaves of Ranunculus c y m b a 1 a r i a Pursh. Wood 

 River, Nebraska. July. E. Bartholomew. Collected by J. M. 

 Bates. 



