PIPPLE-BROWN-SPORED AGARICS. -J') 



riif pl.ints collectfd at Ithaca arc illustiatt-d in Fi'j. 24 irom a 

 photograph of plants (No. 2879 C. U. htrbarium)- \K' notes on 

 these specimens run as follows : Plant 3-6 cm. high, pileus 1.5-3 cm. 

 broad, stem ^-4 mm. in thickness. Pileus conve.x to e.xpanded, 

 fleshy, thin on the margin, margin at tirst incurved, creamy white 

 with egg yellow stains, darker on tlie center, in age somewhat darker 

 to umber or fuliginous, moist when fresli, surface soon dry, tlesh 

 tinged with yellow. The gills are white when young, then grayish 

 to pale rose, and finally light purple brown, rounded in front, taper- 

 ing behind (next the stem) and rounded, free from the stem, 45 

 mm. broad. Basidla clavate, 25-30 x 5-6 //. Spores small, oval, 



FlGlRE 24. — Agaricus comtulus (natural size, sometimes larger). Cap creamy 

 white with eggvellow stains, smoky when older. Stem same color; gills grayish, 

 then rose, then pinplehiown. Copyright 1900. 



3-4 X 23 ^l, in mass light purple brown. The stem tapers above, 

 is sub-bulbous below, yellowish and stained with darker yellowish 

 threads below the annulus, hollow, fibrous, fleshy. The veil whitish 

 stained with yellow, delicate, rupturing irregularly, portions of it 

 clinging to margin of the pileus and portions forming a delicate ring. 

 When parts of the plant come in contact with white paper a blue 

 stain is apt to bt- imparted to the paper, resembling the reaction of 

 iodine on starch. This peculiarity has been observed also in the 

 case of another species of Airariciis. The species is regarded with 

 suspicion by some. I collected the plant also at Blowing Rock, N. C, 



