2 



Mycologia 



Stropharia semiglobata (Batsch) Quel. 

 Hemispheric Stropharia 



a-,- • 



Plate 56. Figure 3. X i 



Pileus fleshy, subglobose to hemispheric, gregarious to sub- 

 cespitose, 1-3 cm. broad; surface Hght-yellow, smooth, glabrous, 

 very viscid when moist ; lamellae adnate, broad, yellow, soon 

 clouded with the ripening spores; spores ellipsoid, smooth, 

 brownish-purple, 12-14 X 7-9 ft; stipe slender, cylindric, light- 

 yellow, smooth, viscid, 6-9 cm. long, 2-4 mm. thick ; veil glutinous 

 when moist, leaving an incomplete, superior ring. 



Common and widely distributed but rarely abundant in manured 

 fields or on dung in pastures throughout the growing season. 

 Stevenson says it is considered poisonous, but later authors claim 

 that it is edible, although its favorite habitat and its slimy char- 

 acter are objectionable to most persons. The name is exceedingly 

 well chosen, as the shape of its cap is as near an exact hemi- 

 sphere as one is able to find among living things. 



Coprinus Brassicae Peck 

 Cabbage Coprinus 



Plate 56. Figure 4. X i 



Pileus membranous, conic or ovoid to oblong, at length expand- 

 ing, the margin often recurving and splitting, closely gregarious 

 or cespitose by crowding, about 7-10 mm. broad ; surface white, 

 squamulose, finely striate, becoming isabelline, with the scales 

 showing in patches ; lamellae adnexed, narrow, crowded, ferrugi- 

 nous-brown; spores broadly ellipsoid, almost subglobose, smooth, 

 umbrinous under the microscope, 7X5/^; stipe slender, snow- 

 white, smooth, glabrous, hollow, 1-2 cm. long, less than i mm. 

 thick, except at the base ; veil represented by a ring of delicate, 

 powdery scales at the base of the stipe, which are similar to those 

 on the pileus. 



Thi^^ species was first described by Dr. Peck from plants he 

 collected on decaying cabbage stems at Menands, New York, in 

 August, 1889. Last June it occurred in abundance on a pile of 

 cornstalks in thin woods east of Bronx Park. The identity of 

 the species was suggested by Professor L. H. Pennington, who 

 was working upon the genus at the Garden a little later in the 

 year. 



