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. ; 

 10-12 x 6-8 mk. B. Name serrula, a saw. From the toothed edge of the 

 gills. Pers. Syn. i. 463. Fr. Monogr. i. /. 286. Hym. Eur. p. 203. Berk. 

 Out. p. 146. C. Hbk. n. 276. Illust. PL 333. S. MycoL Scot. n. 258. 

 Holmsk. Ot. 2. /. 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 striae, squamuloso - fibrillose. 

 Stem about 4 cent. (i> in.) long, 2 mm. (i lin.) thick, stuffed, 

 equal, smooth, naked, even (not 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 caespitose. 

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



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

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

 purplish violet. Spores very irregular, 5-6 angled, iox6-8mk. B. Name 

 eu, well; xpw?, colour. Finely-coloured. Pers. Syn. p. 343. Fr. Monogr. i. 

 p. 287. Hym. Eur. p. 203. Berk. Out. p. 146. C. Hbk. n. 277. Illust. PL 

 334. S. MycoL Scot. n. 259. b. csespitosus B. dr 1 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 striae, at the first flocculose, then squamulose. 

 Stem 4-5 cent. (1^-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 of 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 \oXv^f, steel. From its steel-blue colour. Pers. Syn. p. 343. Ic. 

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

 147. C. Hbk. n. 278. Illust. PL 335. S. MycoL Scot. n. 260. Krombh. t. 

 2./. ii, 12. A. columbinus Sow. t. 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 obsoletely 



O 



