Nancoria AGARICACEyE 153 



698. F. pierea (Gr. pikros, bitter) a b c. 



P. convex, obtuse, rufous ; traces of white V. at marg. in young 

 examples. St. fistulose, umber, darker at base ; when young 

 wholly white-pulverulent. G. adnato-ascending or decurrent, 

 ferruginous. 



Csespitose. Pine-stumps, old deal boards ; rare. Oct. -Dec. 2^X4xJin. 



e. Sericcll(K. 



699. F. FILICEA Sacc. (from its habitat, tree-fern stems ; filix, a 



fern) a b c. 

 P. flat, subumbonate, golden-yellow, appendiculate with V. St. 



stuffed or hollow, fibrillose, colour as P., ferruginous below. 



V. annulate, fibrillose, fugacious, reddish. G. adnate, 



tawny. 

 Tree-ferns in greenhouses. Spring and summer. i X if X in. 



700. F. oehroehlora Karst. (from the colour of the pileus ; Gr. 



ochros, yellow, chloros, green) a b. 



P. plane, subumbonate, subviscid, pale dull olive-ochre, minutely 

 white-squamulose. St. fistulose, paler than P., ferruginous at 

 base, white-squamose. V. slight, seen in young examples. G. 

 adnate, olivaceous, then olive-brown. 



Crespitose. Old trunks, furze-roots, hazel-sticks. Aug. -Nov. 2^X2|xJin. 



701. F. helomorpha Quel. (from its resemblance to a nail ; Gr. helos, 



a nail, inorphe, form) a c. 

 P. convex, gibbous or obtusely umbonate, viscid, white or clay- 



white. St. solid, smooth, tan-white. G. plano-decurrent, 



clay-white. Spores pale brown. 

 Scattered. Wood, fir. Nov. f X iff X in. 



702. F. seamba Sacc. (from the frequently curved stem ; Gr. skambos, 



bow-legged) a b. 

 P. plane, subdepressed, viscid in wet weather, whitish or faintly 



ochreous. St. stuffed, flocculose or mealy, colour as P. ; base 



sometimes faintly rufescent. G. adnate, light clay-yellowish. 



flesh brownish. 

 Gregarious. Suspected poisonous. Odour strong like 1527. Woods, 



pine, rotten wood, larch, on the ground ; uncommon. Sept. -Oct. 



if X if X in. 



XXVIII. NAUCORIA Quel. 

 (From the almost obsolete veil ; nanciim, a trifle.) 



Veil squamulose, fugacious or obsolete. Hymenophore confluent 

 with, but heterogeneous from the cartilaginous stem. Pileus more 

 or less fleshy, convex, conical or convexo-plane, becoming flat, 



