. OSSIFICATION OF AGAR* I 561 



Btuffed then hollow, white-mycelioid ;ii base, glabrous, Bometii 

 fibrillose-striatulate, flocculosepruinost at apex, Bubshining and 

 BubcartilaginouB when dry. SPORES angular, slightly longer than 

 wide, 5-6 angled, 8-9.5x6-7.5 micr., apiculna prominent, nucleate. 

 CYSTIDIA aone. 



Subcaespitose <>r solitary. Low grounds and swamps of frondose 

 trees. July, Augusl and September. Ann Arbor, New Richmond, 

 Marquette and Houghton, [nfrequent. 



This Bntoloma seems to have characters of both /.'. peckianum 

 and /•.'. m a fin a in Pk. It differs from the former in its smaller 

 spores, color and size. a> these are given in Peck's description. 

 our plants were referred to E. peckianum bj Peck. Tliis Bpecies 



• litters from /.'. mm inn in in the smaller spores ami si/.e ami in the 



even margin of the cap. From both it would seem to differ in its 

 lack of a conical pileus and in its stouter habit, bo thai it maj turn 

 oul to be a distincl species belonging to the section Leptonidei. Iu 



his remarks on E. murinum, Peck indicates that it is smaller than 

 E. peckianum, although he gives the same si/..- in the published 

 descriptions. <>m- plants always have spores of the size given. 



602. Entoloma cuspidatum Pk. (Suspected) 



N. V. State .Mns. Rep. 2i. 1872. 



Illustrations: [bid, PI. 2, Pig. 1 lis. 

 Plate CX of this Report. 



PILEUS L.5-5 em. broad, conical or persistently conical-campa- 

 nutate, \ '■> cm. high, glabrous, silky-shining, /"//< yellow, even or at 

 Length rimulose, bearing mi elongated papilla <it the apex, margin 

 ;it first straight, at length irregular. FLESH thin. GILLS ascend- 

 ing, narrowly adnate, broad in middle, subdistant, /"'/- yellow. ai 

 first, then brighl i!esh color, edge uneven. Stem i u cm. long, 

 2-3 mm. thick, equal, hollow, strict, sometimes twisted, glabrous, 

 jHih yellow, fibrous or with a subcartilaginous cuticle. SPOR I s 

 8ubquadrate, coarsely angular, nucleate, apiculus prominent, 9-12 

 micr. diam.. brighl flesh color. CYSTIDIA none: STERILE 

 CELLS lacking on edge of gills. Trama of .lmIIs parallel. ODOR 

 and TASTE mild. 



Gregarious. On mosses, Bphagnum, leucobryum, etc.. in Bwamps 

 and DOgS. 



Bloise, near Deiri.it. August. Have. 



A unique plant, collected by Mrs. T. A. ('aim of the Detroit 



71 



