Murrill: Dark-Spored Agarics 137 



14. Stropharia caesifolia Peck, Bull. Torrey Club 22 : 489. 



1895 



Pileus convex, 2.5-5 cm - broad; surface glabrous, white or 

 whitish, sometimes brownish on the disk; lamellae close, rounded 

 or emarginate behind, light-blue becoming dingy-bluish-brown; 

 spores subellipsoid, 10-12. 5 x 6-7.5 ft; str P e equal or slightly thick- 

 ened at the base, solid, glabrous, white or whitish, 2.5-4 cm. long, 



4- 6 mm. thick ; annulus white. 



Type locality : Rockport, Kansas. 



Habitat : In low sandy pastures. 



Distribution : Known only from the type locality. 



A portion of the type is in the Garden herbarium. Bartholomew 

 remarks that this species is much like the common mushroom, 

 except that its gills have a fine light-blue color instead of pink. In 

 the dried specimens they are dingy-grayish-blue, inclining to 

 brown. 



15. Stropharia bilamellata Peck, Bull. Torrey Club 22: 204. 



189s 



Pileus fleshy, convex, becoming nearly plane in large plants, 

 obtuse, 2.5-5 cm - broad ; surface even, whitish or yellowish, gla- 

 brous; context pure-white; lamellae thin, close, adnate, purplish- 

 brown in mature plants; spores ellipsoid, purplish-brown, 10 x 



5- 6 fx; stipe commonly short, solid, sometimes hollow in large 

 plants, white, annulate, 2.5 cm. long, 6-8 mm. thick ; annulus well- 

 developed, pure-white, striately lamellate on the upper edge. 



Type locality : Pasadena, California. 



Habitat : In grass in streets or in cultivated fields. 



Distribution : New York to Alabama; also in California. 



Illustration: Bull. N. Y. State Mus. 122: pi. 112, f. 5-10. 



Described from California, but found also at a few places in the 

 eastern United States. Mr. B. C. Williams collected it at Newark, 

 New York ; Braendle at Washington, D. C. ; Coker at Chapel Hill, 

 North Carolina; and Earle at Auburn, Alabama. When Peck 

 received Braendle's specimens, he revised his description. The 

 species resembles S. coronilla. 



16. Stropharia tenuis sp. nov. 



Pileus convex, subumbonate, thin, 2.5 cm. broad; surface dry, 

 with delicate, floccose patches, faintly striate, brown ; lamellae ad- 



