Massee. — On the Fmigus Flora of New Zealand. 313 



50. Leptonia j)lacida, Fries, Syst. Myc, i., p. 202 (1821); 

 Sacc, Syll. v., no. 2920. 



Pileus 2-6 cm. across, flesh thin, campanulate, then con- 

 vex, not striate, the blackish disc densely downy, the remain- 

 der covered with blackish fibrils or squamules on a greyish- 

 white ground, squamules arranged concentrically when old ; 

 gills adnexed, very broad behind, not ventricose, crowded, 

 whitish, as is also the margin ; stem 5-8 cm. long, 3 mm. 

 thick, equal, very rigid, having white meal at the slightly 

 thickened apex, and with black ponits or squamules when 

 seen under a lens, remainder glabrous, even, dark-blue or 

 blackish-blue. 



On trunks or on the ground. New Zealand. Europe. 



Distinguished from Leptonia lavipropoda by the squamulose 

 pileus and the minute black points on the upper part of the 

 stem. 



51. Leptonia cethiops, Fries, Epicr., p. 152 (1836); Sacc, 

 Syll. v., no. 2924. 



Pileus 1-5-2-5 cm. across, flesh thin, plane, then depressed, 

 not striate, fibrillosely virgate, shining, sooty-black, not 

 hygrophanous, but young specimens are black and shining 

 when dry ; gills adnexed or adnate, straight or ventricose, 

 whitish, edge same colour and quite entire ; stem 3-5 cm. 

 long, hardly a line thick, glabrous, blackish-brown, having 

 black points near the top; spores irregularly nodulose, salmon- 

 colour, 10x7 fi. 



Among grass, on the ground. New Zealand. Europe. 



Distinguished from its ally, Leptonia lamp)ropioda, by the 

 pileus being depressed from the first, and the slender stem with 

 black points at its apex. 



52. Leptonia lampropoda (Agaricus (Leptonia) lampropus), 

 Fries, Epicr., p. 152; Austr. Fung., p. 40; Sacc, Syll. v., 

 no. 2928. 



Pileus convex, then expanded, not becoming campanulate, 

 obtuse, at length depressed, almost even when young, never 

 striate, at length more or less squamulose, mouse-colour, or 

 sooty-grey with a blue tmge, becoming paler but not hygro- 

 phanous, about 2-5 cm. across; flesh thin; gills adnate, easily 

 separating from the stem and appearing as if free, ventricose, 

 white, then pale flesh-colour ; spores irregularly nodulose or 

 angular, 10-11 x 6-7 jx; stem 2-5-3-5 cm. long, up to 4 mm. 

 thick, entirely cartilaginous, glabrous, even, not punctate up- 

 wards, usually bluish-violet, hollow. 



Among grass, &c. Dannevirke, New Zealand. Europe, 

 Australia. 



Distinguished from several nearly allied species by the 



