PRATELLI. 313 



coming off. Stem 5-7.5 cent. (2-3 in.) long, attenuated upwards, Stropharia. 

 8-12 mm. (4-6 lin.) thick at the base, 6 mm. (3 lin.) above, hollow 

 and pallid upwards, transversely scaly. Ring narrow, more or 

 less persistent. Gills adfixecl, broad, 8 mm. (4 lin.), very distant, 

 white then somewhat cinereous, at length pallid umber. 



Flesh of pileus at length dull umber ; stem umber within, rooting. Allied 

 to A. squamosus, but abundantly distinct. 



On sawdust. Wallington, Northumberland. 



Spores i5X7mk. W.P. Name after Cecil H. Spencer Perceval. B. & 

 />'/'. n. 1767. 



701. A. Worthingtonii Fr. Pileus scarcely 2.5 cent, (i in.) 

 broad, yellow, slightly fleshy, campanulate, even, smooth, viscid (?). 

 Stem 7.5 cent. (3 in.) long, scarcely 2 mm. (i lin.) thick, 

 fistulose, slender, flexuous, smooth, dark blue, the incomplete ring 

 distant. Gills adnate, broad, brown- cinnamon. 



In stature and colours it is widely removed from A. allu-cyanens. 



In pastures. Walthamstow, 1868. Dec. 



Spores 4 X7mk. W.G.S. Name after Worthington G. Smith. Fr. Hym. 

 Eur. p. 286. A. albo-cyaneus Saund. & Sm. t. 29. /. 1-5. 



** Merdarii. Ring often incomplete. 



702. A. merdarius Fr. Pileus 5 cent. (2 in.) broad, yellow then 

 straw-colour, fleshy, at the first obtusely campanulate, then con- 

 vexo-plane, gibbous, smooth, pelliculose, moist, hygrophanous, 

 slightly viscid, margin thin, deflexed, even; flesh white. Stem 

 5-7.5 cent. (2-3 in.) long, 4-6 mm. (2-3 lin.) thick, tough, stuffed 

 with a pith, equal, somewhat flexuous, everywhere flocculoso- 

 villous and slightly silky, dry, straw-white, white-villous at the 

 base, striate at the apex from the decurrent teeth of the gills. 

 Ring incomplete and torn, for the most part commonly adhering 

 to the margin of the pileus. Gills adnato-decurrent, somewhat 

 crowded, plane, 6 mm. (3 lin.) broad, soft, very broad behind, at 

 first pallid, somewhat isabelline, at length brown-fuscous with 

 the black-fuscous spores. 



Gregarious, somewhat coespitose. The stem has been observed fuscous 

 internally when old. There is a smaller form, with the stem 2.5 cent, (i in.) 

 long. 



On horse-dung. Sibbertoft, c. Oct. 



Spores 6x9 mk. W.G.S. Name merda, dung. Fr. Monogr. \. p. 415. 

 Hym. Eur. p. 286. Icon. t. 130. f. 3 larger form. B. & Br. n. 1255. Saiind. 

 & Sw. t. 25 lower fig. (smaller form). Bitxb. c. 4. /. 16. /. 2. 



