CLITOCYiiE. 437 



V. ORBIFORMES. 

 * Gills grey or olive. 



Clitocybe orbiformis. Fr. 



Pileus about 2 in. across, flesh thin, convex then plane, 

 very obtuse, not truly depressed, orbicular, glabrous, smoky- 

 grey, hygrophanous, margin spreading, even ; gills adnately 

 decurrent, rather distant, 2-3 lines broad, greyish-white ; 

 stem about 3 in. long, 4-5 lines thick, equally attenuated 

 upwards from the thickened, downy base, round, tough, 

 somewhat striate, grey, naked upwards, fibrous outside, 

 elastic, stuffed. 



Agaricus (Clytocibe) orbiformis, Fries, Epicr., p. 76. 



Grassy places in pine woods, &c. 



Smell none. Analogous with, but not allied to C. cyathi- 

 formis. 



Clitocybe metachroa. Fr. 



Pileus 1-2 in. across, flesh thin, convex at first, soon plane 

 or even depre&sed, brownish-grey when young, then livid, 

 whitish when dry, margin even, slightly striate when old ; 

 gills adnate, scarcely decurrent, crowded, linear, flat, thin, 

 greyish-white ; stem stuffed when young, round, soon hollow 

 and consequently easily compressed, about 1| in. long, 

 2 lines thick, equal, tough, fibrous outside, grey, apex with 

 white meal. 



Agaricus (Clytocybe) metachrous, Fries, Epicr., p. 77 ; Cke., 

 Hdbk., p. 59; Cke., lllustr., pi. 115. 



In dry pine woods, &c. 



Very variable, but easily recognised by the following 

 points : Smell none ; apex of stem mealy ; pileus convex 

 (subumbonate), then plane and depressed ; gills greyish- 

 white. (Fries.) 



Clitocybe zygophylla. Cke. & Mass. 

 Pileus 2-4 in. across, fleshy at the disc, very thin else- 

 where ; convex then expanded, disc often slightly depressed, 

 tough, flaccid, hygrophanous, with a greyish tint when 

 moist, pale ochraceous-white when dry, margin thin, in- 



