336 AGARICUS. 



Psathyra. nate, asccnding, distant, moderately broad, scarcely ventricose, 

 cinereous. 



Densely csespitose. Smell faint, nauseous. When young the whole plant 

 is covered over with copious white flocci. 



On old stumps. Orton Longueville, i860, &c. Oct. 



Name — after Marchioness of Huntly. B. <rf Br. ?i. 922. /. 15. f. 7. 

 1661*. C. Hbk. n. 433. A. aulacinus F7: Moiiogr. ii. p. 348. 



754. A. glareosus B. & Br. — Pileus 12 mm. (X in.) broad, 

 g"rey, pale chestnut at the apex, campanulate, obtuse or umbonate, 

 striate, with flocci like little crumbs. Stem 2.5-5 cent. (1-2 in.) 

 long, 2 mm. (i lin.) thick, fistulose, clothed with w^hite fibrils, 

 brown. Gills broad behind, adnate, umber. 



Pileus very minutely tomentose. Flesh brown, especially close to the gills. 

 Spores black. 



On gravelly soil after wet weather. Sibbertoft, 1882. June. 



Name — glarca, gravel. P^ound in gravelly places. B. Cif Br. n. 201 1. C. 

 Illust. PL 591. i^. 



755. A. pennatus Fr. — Pileus 12 mm. {Yz in.) high, and when 

 at length expanded 2.5 cent, (i in.) broad, inclining to livid then 

 white, or becoming fuscous-brick when young, somewhat mem- 

 branaceous, ovate then campanulate, not striate, hviX for a long 

 time and densely clotJied luith luliite plumose scales y at length naked. 

 Stem 2.5-4 cent. {i-iY in.) long, 2-4 mm. (1-2 lin.) thick, fistu- 

 lose, equal, villous, white-pulverulent at the apex, silvery. Gills 

 adnexed, crowded, ventricose, broad, livid then fuscous-blackish. 



Gregarious, fragile, readily distinguished from neighbouring species by its 

 curt stature; but there is an elongated variety. It has the appearance of 

 Coprinus cinereus. 



On naked soil and on burnt sawdust. Rare. June. 



Name — penna, a feather. From the feathery scales. Fr. Monogr. i. p. 443. 

 Hyvi. Eur. p. 308. B. 6^ Br. 11. loio. C. Hbk, n. 430. S. Mycol. Scot. 11. 

 409. Qudl. t. Z.f. 2, (smaller, pileus naked). 



756. A. gossypinus Bull. — Pileus ochraceous-clay, somewhat 

 membranaceous, campanulate, expanded, tomentose, soon becomijig 

 smooth, striate at the margin. Stem tome?itose, whitish. Gills 

 adnexed, ventricose, white then fuscous-black. 



Somewhat casspitose, fragile. From its habit it was formerly referred to 

 Coprini. Allied to A. pennatus, from which it differs chiefly in the more 

 tomentose coz'ering (veil), with which the young plant is densely wrapped 

 round, and in the ochraceous-c\zy colour. 



