RUSSULA. 115 



stature commonly smaller, flesh juiceless, not reddening, c. The pileus does Russula. 

 not become black, but only of a scorched appearance. 



In woods. Frequent. Aug.-Oct. 



Well distinguished by its comparatively thin, crowded gills, &c. M.J.B. 

 Spores spheroid, echinulate, 7-9 mk. K. ; globose, rough, 8 mk. C.B.P. 

 Name aduro, to scorch. From its scorched appearance. Fr. Monogr. ii. 

 p. 184. Hym. JSur. p. 439. Berk. Out. p. 209. C. Hbk. n. 614. S. Mycol. 

 Scot. n. 583. Ag. Pers. Krombh. t. 70. f. 7-11. Baft. t. 13. 



3. R. semicrema Fr. Pileus persistently white, compactly 

 fleshy, convex then plane, even, smooth, dry, disc umbilicate, 

 margin at first involute, always even; flesh juiceless, white, un- 

 changeable. Stem sometimes curt, sometimes 5-7.5 cent. (2-3 

 in.) long, almost 5 cent. (2 in.) thick, fleshy, solid, firm, white, 

 but when broken becoming cinereous internally, and at length 

 becoming black. Gills decurrent, crowded, thin, persistently 

 white. 



Odour none, taste mild. Intermediate between R. adusta and R. delica, 

 but easily distinguished from both. 



In mixed woods. Glamis. Aug. 



Name semi, half; ere mo, to burn. From the blackening stem. Fr. 

 Monogr. ii. p. 185. Hym. Eur. p. 440. Icon. t. 172. f. i. B. &* Br. n. 1674. 

 S. Mycol. Scot. n. 584. 



4. R. delica Fr. White. Pileus 7.5-12.5 cent. (3-5 in.) broad, 

 fleshy throughout, firm, umbilicate then infundibuliform, regular, 

 everywhere even, smooth with a 'whitish lustre, the involute 

 margin without striae ; flesh firm, juiceless, not very thick, white. 

 Stem curt, 2.5-5 cent. (1-2 in.) long, 12 mm. (y z in.) and more 

 thick, solid, even, smooth, white. Gills decurrent, thin, distant, 

 very unequal, white, exuding small watery drops in wet weather. 



The stature and unchangeable colours are wholly those of L. vellereus and 

 L. piperatus, but it is readily distinguished by the gills being juiceless, though 

 they exude watery drops when young. 



In mixed woods. Uncommon. Sept.-Oct. 



Name delicus, weaned ; without juice or milk in the gills, as distinguished 

 from L. vellereus, &c. Fr. Monogr. ii. p. 185. Hym. Eur. p. 440. Berk. 

 Out. p. 210. C. Hbk. n. 615. .S'. Mycol. Scot. n. 585. Vent. t. 48. f. 3, 4. 

 Batt. t. 17. A. Paul. t. 73. /. i. 



5. R. elephantina Fr. Pileus 7.5 cent. (3 in.) broad, fuscous- 

 tan, paler round the margin, but not changeable, equally fleshy, 

 firm, at first convexo-umbilicate ; margin bent inwards, smooth, 

 undulated, and almost exceeding the gills, but never striate, 

 covered with a pellicle which is not separable ; flesh equal, 



