Clitocybe AGARICACE.^ 5 1 



179. C. deeastes Quel, (from its growing in clusters of about ten ; 



Gr. dekas, a company of ten) a b. 



P. very thin, of two easily separable strata, tan-grey or tan. 

 St. whitish. G. adnato-decurrent, subdistant, white. 



Coespitose, in clusters of about one foot in diam. Woods, oak, beech, by- 

 paths, plantations, gardens, orchards, on sawdust. Oct.-Nov. 9X4! Xh in. 

 Must not be confounded with 130. 



180. C. subdeeastes Sacc. (from its affinity with 179) a b. 



P. very thin, campanulate, smooth, even, ivory-white ; mid. 



ochreous. St. silky-fibrous, shining-white. G. rounded, 



crowded, thin, white. 

 Caespitose. Taste and odour none. On the ground. Sept. 35 x Sh X 2 i n - 



181. C. aggregata Gill, (from its growing in clusters ; aggregates, 



collected together) a c. 



P. gibbous, then depressed, not fleshy, often excentric, grey or 



dull ochreous. St. whitish. G. subdecurrent, crowded, pale 



ochreous or flesh-colour. 



Odour strong. Woods, oak, on sawdust, mushroom-beds. July-Oct. 

 3i X 3J X f in. Becoming rufous-stained. 



182. C. elixa Karst. (from its sodden condition in wet weather ; 



elixus, soaked) a b. 



P. gibbous, very fleshy, hygrophanous, sooty-brownish or greyish, 



becoming pale. St. pallid brownish. G. decurrent, distant, 



white. 



In troops. Woods ; frequent. Oct.-Nov. 4I X 2.\ x f in. Very bibulous, 

 becoming saturated with moisture ; heavy and brittle in wet or frosty 

 weather, breaking with its own weight. 



183. C. fumosa Quel, (from its smoky colour ; fwmis, smoke) a b c. 

 P. subgibbous, then plane, greasy-looking brown to livid- 

 whitish ; mid. sometimes slightly scurfy as in 69. St. whitish 

 or brownish. G. rounded, adnate, or decurrent, crowded, 

 greyish- or brownish-white, or yellowish-olive-white. 



Gregarious or caespitose in groups a foot or more in diam. Suspected 

 poisonous. Tasteless or insipid ; odour strong, fungoid, or none. Woods, 

 often on wood-ashes, old sawdust, amongst grass, on rubbish-heaps, on 

 earth where trees have been felled ; uncommon. June-Nov. 4^X2§x§in. 

 Often in company with 277 and 1374. 



184. C. tumulosa Sacc. (from the mound-like appearance of the 



connate groups ; tumulus, a mound) a b. 

 P. gibbous, umber becoming pale. St. floccoso-pruinose, white. 



G. subdecurrent, crowded, white to livid grey. 

 Larger forms laxly coespitose, smaller, densely caespitose. Woods. Sept. 



3h X 3i X f in. 



185. C. pergamena Mass. (from its colour, like parchment, perga- 



mend) a. 

 P. umbonate, at first brown. St. solid, with a brittle cartila- 

 genous bark. G. broadly sinuato-decurrent. 



Caespitose. Stumps. Oct. 2 x 5 X T 5 g in. The habitat and cartilaginous 

 bark point to Collybia rather than Clitocybe. 



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