HYPORHODII. 209 



the pileus membranaceous, hemispherical, umbilicate, slightly striate, fuligi- Leptonia. 

 nous then grey, the darker umbilicus scarcely fibrillose, and the gills paler, and 

 whitish at the base. 



In pastures and grassy woods. Frequent. July-Oct. 



Spores subellipsoid-sphaeroid, irregular, much angled, 9-10x7-8 mk. K. ; 

 10-12x6-8 mk. B. Name— serf'u/a, a saw. From the toothed edge of the 

 gills. Pers. Sytz. i. 463. Fr. Mojto^^r. i. p. 286. Hy7)t. Eur. p. 203. Berk. 

 Out. p. 146. C. Hbk. 71. 276. I'llust. PI. 333. S. Mycol. Scot. n.. 258. 

 Hobnsk. Ot. 2. t. 38. — Var. expallens. A. columbinus Bull. t. 413./. i. 



459. A. euchrous Pers. — Pileus scarcely reaching 2.5 cent, (i 

 in.) broad, at first violaceous, at length purple-fuliginous, slightly 

 fleshy, convex, obtuse, without stride, squamuloso - fibrillose. 

 Stem about 4 cent, {lyi in.) long, 2 mm. (i lin.) thick, stuff"ed, 

 equal, smooth, naked, even {jiot dotted), tough, dark viola- 

 ceous. Gills adnate, very ventricose, plane, dark violaceous, but 

 becoming pale, the edge which is quite entire retaining the darker 

 colour. 



Solitary or gregarious, according to Persoon C3espitose. 

 On trunks and stumps, alder, &c. Rare. Oct. 



I have found several specimens growing together in a casspitose manner. 

 The colour is very fine, intense blue-violet with a tendency to deepen into 

 purplish violet. Spores very irregular, 5-6 angled, 10x6-8 mk. B. Name — 

 e5, well ; XP"S. colour. Finely-coloured. Pers. Syn. p. 343. Fr. Monogr. i. 

 /. 287. Hyvi. Eur. p. 203. Berk. Out, p. 146. C. Hbk. ?i. 277. Ilhist. PL 

 334. S. Mycol. Scot. n. 259. b. caespitosus B. cf Br. n. 791. 



460. A. chalybceus Pers. — Pileus about 2.5 cent, (i in.) broad, 

 dark violaceous or blackish blue, slightly fleshy, convex, somewhat 

 umbonate, without strise, at the first flocculose, then squamulose. 

 Stem 4-5 cent. (1K-2 in.) long, 2 mm. (i lin.) thick, cartilaginous, 

 stuffed, slightly firm, smooth, even (not black-dotted), dark blue. 

 Gills adnate, crowded, broad, ventricose, bluish-grey-whitish, 

 somewhat paler at the edge. 



The habit is that oi A. lampropus, but it is very different in its entire struc- 

 ture, its thin stem, and the colour of the pileus and gills. 



In pastures. Frequent. July-Oct. 



Name — x«^wi^. steel. From its steel-blue colour. Pers. Syn. p. 343. Ic. 

 pict. t. 4./". 3, 4. Fr. Monogr. i. /. 287. Hym. Eur. p. 203. Berk. Out. p. 

 147. C. Hbk. n. 278. Illust. PI. 335. S. Mycol. Scot. n. 260. Krombh. t. 

 2../. II, 12. A. columbinus ^cfTc. /. 161. 



461. A. lazulinus Fr. — Pileus becoming black -fuliginous, 

 somewhat membranaceous, campanulate, then expanded and ob- 

 tuse, striate, at first smooth, then more expanded and obsolelely 



o 



