CLASSIFICATION OF AGARH 



The group is difficult, and the raritj <>r Kpecimens makes it hard i<> 

 learn much concerning their variability. A microscopic Ktmh i- 

 essentia] to determine the species with anj satisfaction, .1- the 

 size of Bpores and basidia, the structure of the trama, and the p 

 ence <»r absence of cystidia musl often determine the final j>.- 



lllCllt. 



Because of their rare occurrence, ii seems besl to include in the 

 key all forms which may possibly be found in the State. / . polita 

 and E. carneo-grisea have been reported from the neighborii . 8 



hi y to the 8pi cU 8 



(a) Gills crowded or clo 



(b) Edge of gills black-dotted. 631. E. atridi a I-'r. 

 (bb) Edge of gills concolor, not black dotted. 



(c) Pileus 2-4 cm. broad, hygrophanous. livid (moist); pills . 



crowded, broad. E. polita Ft. 

 (cc) Pileus 5-20 mm. broad, not hygrophanous, mouse-gray; pills 

 close, bread: spores 5-angled, 8-10 inicr. 6:!4. /.'. ]»i>t" 

 ospora Atk. var. 

 (aa) Gills subdistant to distant. 



(b) Pileus 2-5 cm. broad, hygrophanous, tough, sordid-brown; stem 

 tough, concolor; taste tardily pungent; gills close to subdistant; 

 on the ground. 635. E. mordax Atk 

 (bb) Pileus smaller (rarely as large in E. cameo-gritea) . 

 (c) On wood; pileus deeply umbilicate, 1-1.5 cm., bygrophaai 



gills very distant, broad, long-decurrent. /.'. fhodocylix BY. 

 (cc) Not on logs, stumps or wood. 



(d) On sphagnum; pileus umbonate. small, dark-brown; pills 

 long-decurrent, distant, broad. Spores 10-12.5x6-7.6 inicr. 

 E. aphagnicola Pk. 

 (dd) On lawns, fields, or in woods on huinu 



(e) Pileus white, 1-2.5 cm., silky; pills adnato-decurrent, sub- 

 distant; stem lonp, white. Spores elongate, HI i 

 micr. E. roseoalbocitrina Atk. 

 (ee) Pileus grayish-brown to fuscous. 



(f) Pileus hygrophanous; gills without cystidia. 

 (g) Edge of pills darker, crisped; plletu gra lor, 



margin micaceous; pills distant. 7 x 4-5 



micr. /•.'. cameo-orlsea B. A Br 

 (gg) Edge of gills concolor; pileus brownish-gray (i 



gills subdistant. broad. 632. /.'. grlsco+ubclla Pr. 

 (ff) Pileus not hygrophanous; pills with cystidia 

 (g) g Inato-decurrent, broad behind, distant; 



sphoeroid, angles not sharply marked. 638 

 i, in, 8 sp. nov. 

 (gg) Gills arcuab . distant, decnrrenl fttly 



angled, quadrate. E. >)•■ 



I Qustrations : 



/:. vilis Pr.: Ricken, Blatterpilze, PI. 7::. Fig. 10. 

 E. carneogrisea Pr.: Hard, Mushrooms, Fig •_'"■"• 

 /:. parkensis Pr.: tcones, PI. 100, Fig. 5. 

 /■. polita Fr. : Atkinson, Mushrooms, Fig. 1 10, 190 

 Fries, [cones, PL 100, Pig. ::. Hard, Mnsl 

 L908. 



