REPORT OF THE STATE BOTANIST I912 3I 



Russula ballouii n. sp. 

 Plate IX, figures 1-4. 



Pileus thin, broadly convex, nearly plane or slightly depressed in 

 the center, yellow when moist, grayish yellow when the moisture has 

 escaped, the pale brick-red cuticle cracking into minute scales every- 

 where except in the center; lamellae thin, narrow, close, adnate or 

 subdecurrent, pale yellow, becoming pruinose or dusted by the white 

 spores ; stem firm, equal or slightly tapering downward, the surface 

 colored and adorned like the pileus; spores subglobose, 8-10 /a. 



Pileus 2-3 cm broad ; stem 2-3 cm long, 8-10 mm thick. 



Woods, specially under poplar trees. Near Bullshead, Richmond 

 CO. October. W. H. Ballou. 



Pileus tenuis, late convexus, subplanus vel in centro leviter de- 

 pressus, humidus luteus, siccus griseo-luteus, ubique, disco excepto, 

 squamis minutis lateritiis ornatus; lamellae tenues, angustae, con- 

 fertae, adnatae vel subdecurrentes, pallidae vel pruinosae; stipes 

 firmus, aequalis vel leviter sursum crassus, pileo similis ornatus et 

 coloratus ; sporae subglobosae, 8-10 /a. 



Septoria margaritaceae n. sp. 



Spots mostly large, .5-2 cm long, commonly one on a leaf, brown ; 

 perithecia epiphyllous, minute, about .25 mm wide, black ; spores fili- 

 form, curved or flexuous, 40-80 x 1-2 fi, commonly attenuated 

 toward the apex, oozing out and forming a whitish or yellowish 

 white mass on the apex of the perithecium. 



On languishing leaves of pearly everlasting, A n a p h a 1 i s 

 margaritacea (L.) B. & H. White Lake, Oneida co. August. 



Usually there is a single large spot on a leaf but occasionally there 

 are several smaller spots occupying the whole leaf. 



Maculae vulgo magnae, .5-2 cm longae, vulgo solitariae, brun- 

 neae ; perithecia epiphylla, minuta, circiter, .25 mm lata, atra ; sporae 

 fill formes, curvae vel flexuosae, 40-80 x 1-2 /i, vulgo ad apicem 

 attenuatae, exudantes et globulum albidum formantes. 



Silene dichotoma Ehrh. 

 Marietta, Onondaga co. S. N. Cowles. An introduced species. 



Tricholoma latum Pk. 

 Plate IX, figures 5-8 

 Pileus fleshy, firm but flexible, broadly convex or nearly plane, 

 moist, glabrous, white or whitish, flesh white, taste disagreeable; 



