LEUCOSPORI. 21 



solid, stout, cylindrical, with many concentric scaly-squarrose Lepiota. 

 zones. Ring superior, large. Gills free, ventricose, thick, be- 



coming green. 



Very handsome, large, robust. Intermediate between Amanita and Lepiota. 

 In groves. Rare. 



Poisonous. Name after Vittadini. Fr. Hym. Eur. p. 33. Berk. Out. 

 p. 94. C. Hbk. ?i. 27. Illust. PI. 36. Hussey i. t. 85. Amanita Vittadini 

 Morett. Bot. Ital. t. i. Vittad. Avian, t. i. Krombh. t. 27. 



33. A. holosericeus Fr. Pileus 7.5 cent. (3 in.) and more broad, 

 whitish or clay-white, fleshy, soft, convex then expanded, rather 

 plane, obtuse, fioccoso-silky^ somewhat fibrillose, becoming even, 

 fragile, disc by no means gibbous, and wholly of the same colour ; 

 margin involute when young ; flesh soft, white. Stem 6-10 cent. 

 (2^- 4 in.) long, 12 mm. (% in.) and more thick, solid, bulbous 

 and not rooted at the base, soft, fragile, silky-fibrillose, whitish. 

 Ring superior, membranaceous, large, soft, pendulous, the mar- 

 gin again ascending. Gills wholly free, broad, ventricose, crowd- 

 ed, becoming pale-white. 



A species well marked from all others. Inodorous. 

 On soil in flower-beds. Staplehurst, Kent. 



Spores 6x9 mk. W.G.S. Name oAos, entire, cnjpiKo?, silken. Wholly- 

 silky. Fr. Monogr. i. p. 26. Hym. Eur. p. 34. C. Hbk. n. 28. Illust. PI. 

 41. Saund. & Sm. t. 23. f. i. 



34. A. naucinus Fr. Pileus 2.5-4 cent. (i-i> in.) broad, white, 

 the disc of the same colour, fleshy, soft, gibbous or obtusely um- 

 bonate when flattened, even, the thin cuticle splitting up into gran- 

 ules. Stem 4-7.5 cent (iX~3 in-) long", stuffed, at length somewhat 

 hollow, but without a definite tube, attenuated upwards from the 

 thickened base, fibrillose, unspotted, white. Ring superior, 

 tender, but persistent, adhering to the stem, at length reflexed. 

 Gills free, approximate, crowded, ventricose, soft, white. 



There is a prominent collar, as in the Clypeolarii, embracing the stem. Stat- 

 ure and appearance of A. excoriatus, but commonly smaller, the superior ring 

 adfixed, &c. A. leucothites Vittad. Fung. mang. t. 40 with reddening gills 

 seems a variety of this. 



In fields. Rare. 



Sometimes delicate tan, the gills assuming a dirty-pink hue. The large 

 white spores are very characteristic. It may be confounded very easily with 

 A. cretaceus, M.J.B. Edible; taste mild, pleasant. Name naucum (or 

 nucinus, mix], a nut-shell. Fr. Monogr. \. p. 27. Hym. Eur. p. 34. Berk. 

 Out. p. 94. C. Hbk. n. 29. Illust. PI. 15. Vent. t. 48. /. 6. A. sphsero- 

 sporus Krombh. t. 24. f. 20-23. 



