356 AGARICINI. 



Coprinus. even, very smooth, discoid. Stem 7.5-10 cent. (3-4 in.) long, 

 hollow, attenuated from the thickened base where it is 8 mm. 

 (4 lin.) thick, smooth, becoming" pale. Gills adnate, linear, cine- 

 reous then black. 



Somewhat ccespitose. 



On the ground. East Dereham. 



Striped with alternate striae broad and narrow, M.J.B. Name — alto-- 

 natus, alternate. From the strias. Fr. Hyin. Enr. p. 327. B. er" B): 71. 

 1957. Agaricus /^/. Dau. t. i(^6i. f. i. 



19. C. deliquescens Fr. — Pileus 7.5-10 cent. (3-4 in.) broad, 

 livid-fuliginous, membranaceous, ovato - campanulate then ex- 

 panded, smooth, but papillate with niijuite points on the disc, 

 never floccose or split, but revolute and striate, the stride broad, 

 but not deep. Stem 10 cent. (4 in.) long, 4-8 mm. (2-4 lin.) thick, 

 hollow, corticate, equally attenuated upwards, smooth, slmting 

 white. Gills free, at length remote from the stem, very crowded, 

 flexuous, very narrow, only i m. (j4 lin.) broad, lurid-blackish. 



Slightly firm. 



On stumps and among fallen leaves. Frequent. Aug. 



Sometimes confounded with C. atramentarius, M.J.B. Name — deliquesco, 

 to dissolve. Deliquescing. Fr. Monogr. i. p. 463. Hym. Ekv. p. 327. 

 Berk, Out. p. 180. C. Hbk. /i. 469. S. Mycol. Scot. 11. 432. Agaricus Bull, 

 t. 558./". I. K lot sell. Fl. Bor. t. ofj6. 



II. — Veliformes. Pileus very thin, without a pellicle, &c. 

 * Cyclodei. Stem annidate or volvate. 



20. C. Hendersonii Berk. — Pileus 8-12 mm. (4-6 lin.) broad, 

 apex brownish shaded into cinereous towards the margin, at first 

 cylindrical then ovali-campanulate, at length plane, smooth, striate 

 half-way up. Stem 4 cent. (iX in-) long, not 2 mm. (i lin.) thick, 

 filiform, hollow, attenuated upwards, at length smooth, with a 

 small erect entire ring. Gills free, rather distant, narrow, black. 



Pileus minutely granulated under a lens, margin folded. Gills powdered 

 with the black spores, the extreme margin white. Looks like a small annulate 

 A. dissemi?iatus. Extremely tender. 



On hotbeds and horse-dung. Rare. Feb. -Sept. 



Spores sphasrical, apiculate, 8-9 mk. Q. Name— after J. Henderson. Befk. 

 Out. p. 180. t. 24./! 8. C. Hbk. )i. 470. S. Mycol. Scot. fi. 433. Fr. Hym. 

 Eur. p. 329. Agaricus Berk. Eng. Fl. v. p. 122. Pers. Myc. Eur. 3. p. 26. 

 /.I. 



