1 68 AGARICUS. 



Pleurotus. compact, horizontal, moderately regular although more or less 

 excentric, convex then plane, disc-shaped, even, smooth ; flesh 

 white, tough. Stem 5-7.5 cent. (2-3 in.) long, 2.5 cent, (i in.) 

 thick, solid, firm, elastic, somewhat excentric, curved-ascending, 

 thicke7ied and tomentose at the base, not rarely villous throughout, 

 white. Gills horizontal, emargmate or rounded behi?td, slightly 

 adnexed, broad (broader in the middle), somewhat crowded, 

 whitish. 



The pileus is sometimes cracked in a tesselated manner. Among the larger 

 and more robust species, with a slightly acid odour which is not unpleasant. 

 Commonly solitary. Pileus ochrey white, Price f. 83. B. Vertical, with a 

 central stem. 



On trunks, especially elm. Uncommon. Sept.-Dec. 



Spores 6 mk. W.G.S. Edible, but so uncommon as to be of little value. 

 Name — uhnus, elm. Bull. t. 510. Fr. Monogr. i. p. 239. Hym. Eur. p. 

 167. Berk. Out. p. 134. B. &- Br. n. 1853*. C. Hbk. n. 112. Illust. PL 

 227. S. Mycol. Scot. 71. 211. Sozi}. t. 67. Vittad. Mang. t. 23. Fr. dtl. 

 Svamp. t. 37. 



363. A. tessulatus Bull. — Pileus becoming pale-tawny, horizon- 

 tal, compactly fleshy, convex then plane, and in a form which is 

 somewhat lateral depressed behind, irregular, even, smooth, varie- 

 gated with round and hexagonal paler spots; flesh thick, white. 

 Stem short, 2.5 cent, (i in.) or little more long, solid, compact, 

 equal or attenuated at the base, very excentric, curved-ascending, 

 even, smooth, white. Gills sinuate behind, uncinato-adnate, thin, 

 crowded, white or becoming yellow. 



Solitary ; according to some casspitose. The pileus is not cracked in a 

 tesselated manner, as one might easily imagine from the name, but variegated 

 with spots. Smaller than A. ulmarius (to which it is too closely allied), but 

 almost more compact, with a smell of new meal. 



On trunks. Coed Coch, &c. 



Name — tessela, a small cube for pavement. From the tesselated markings 

 on the pileus. B^ill. t. 513./^ i. Fr. Monogr. i. p. 239. Hym. Eur. p. 168. 

 B. df Br. n. 1853*. C. Illust. PI. 254. Pers. Myc. Eur. 3. n. 65. t. 2.2,. f. 4. 



364. A. subpalmatus Fr. Wholly more or less rufescent. — 

 Pileus 5-10 cent. (2-4 in.) broad, fleshy, but /;z 710 wise cojnpact, 

 convex then flattened, obtuse, imbricated and glued together, 

 horizontal, more or less excentric, smooth, but clothed with a 

 thick, gelatinous-tough, closely adnate pellicle, which distils limpid 

 rufescent drops with an astringent taste ; towards the margin, 

 w^hich is at first involute, the pellicle is reticulato-corrugated. 

 Stems 2.5-5 cent. (1-2 in.) long, 12 mm. {yi in.) thick, numerous, 

 solid, b\ii Jibrotcs-soft, and at length also hollow, equal, curved- 



