Murrill : Dark-Spored Agarics 



67 



or to condensed statements of his views by KaufTman under H. 

 lacrymabundum in " The Agaricaceae of Michigan " and E. T. 

 Harper in Mycologia 10: 231-234. 1918. According to Kauff- 

 man, cystidia are present in this species, being rather abundant, 

 ventricose, 30-40 x 12-15 /x. 



6. Drosophila lacrymabunda (Bull.) Quel. Ench. Fung. 115. 



1886 



Agaricus lacrymabundus Bull. Herb. Fr. pi. 194. 1784. 

 Agaricus velutinus Pers. Syn. Fung. 409. 1801. 

 Hypholoma rugocephalum Atk. Stud. Am. Fungi 30. 1900. 

 Hypholoma B ought oni Peck, Bull. N. Y. State Mus. 139: 23. 

 1910. 



Pileus rather fleshy, ovoid to expanded, sometimes broadly 

 umbonate, solitary or cespitose, 5-8 cm. broad ; surface fulvous to 

 isabelline with intermediate shades, darker on the umbo, covered 

 when young with appressed, matted fibers, which may disappear 

 with age or collect into small squamules, the cuticle cracking areo- 

 lately at times ; margin not striate ; context very thin, concolorous, 

 with a mild or slightly disagreeable taste, the odor not character- 

 istic; lamellae rather crowded, sinuate-adnexed or adnate, some- 

 what ventricose, yellowish, shading to umber and spotted with 

 black and rusty-brown as the spores mature, whitish on the edges ; 

 spores nearly lemon-shaped, apiculate, opaque, distinctly tubercu- 

 lose, very dark-brown under the microscope, black in mass, 8-10 x 

 4-7 fi ; cystidia abundant, 40x9^; stipe equal or slightly enlarged 

 below, subconcolorous, nearly white at the apex, hollow, 5-10 cm. 

 long, 8-12 mm. thick; veil of whitish, fibrous tufts adhering partly 

 to the margin of the pileus and partly to the stipe. 



Type locality : France. 



Habitat: In grass or weeds in the open or among leaves or 

 about old stumps in thin woods. 



Distribution : Eastern United States ; also in Europe. 



Illustrations: Atk. Stud. Am. Fungi /. 28, 29; Bull. Herb. 

 Fr. pi. 194, pi. 526 (better) ; Cooke, Brit. Fungi pi. 563 (582); 

 Mycologia 7- pi 158, f. 2; Peck, Bull. N. Y. State Mus. 139: 

 pi. 2, f. 1-7; Sowerby, Engl. Fungi pi. 41; Trans. Wise. Acad. 

 Sci. 17: pi. 79; and others. 



This interesting species has received much attention from my- 



