CLASSIFICATION OP A.OARK [07 



with decurved margin, with or without an obscure umbo, azont 

 dry, floccost scaly, tatony-isabelline, Fading, margin a< first involute 

 then spreading. FLESH somewhal watery. GILLS Bubdecurrent, 

 thickish, close to subdistant, rather aarrow, broadest behind, whit- 

 ish then ochraceous tinged incarnate, pruinose. STEM '< x cm. lo 

 (up to 1") cm. long <>n Bphagnum), 5 l~> mm. thick, subrigid fragile, 

 Bubequal, pruinose-pubescent, stuffed then cavernous, concolor, 

 white-mycelioid ;ii base. SPORES globose, 7-9 micr., echinul 

 .MILK watery, rarely white, sparse, mild or scarcely acrid. <>l»<>i; 

 fragrant, like thai of /.. camphoratus. 



Gregarious or scattered. <>n the ground or on moss in low 

 swampy woods, or on sphagnum in peat-bogs, sometimes among 

 moss along exposed borders of lakes, etc. Ann Arbor and elsewhere 

 in the lake regions of the interior. July Sept. Frequenl locally. 



This is for the most part included under var. aquifluus bj Peck 

 bu1 the watery chai-acter of the milk is apparently merely a result 



%. II.. 



of the moiffl habitat. 



82. Lactarius rufus Vv. (Poisomh- 

 Epicrisis, 1836-38. 



Illustrations: Fries, Sverig. Svamp., PI. 11. 

 Cooke, 111., PI. 985. 



Gillet, Champignons de France. No. 391. 

 Ricken, Blatterpilze, PL L3, Fi«r. ::. 

 Michael, Puhrer f. Pilzfreunde, Vol. I, No. 36. 

 Swanton, Fungi, PL 7. Pig. 3 l. 



PILEUS 4-10 (in. broad, convex then expanded-depressed to in- 

 fundibuliform, wmibonate, flocculose-silky, glabrescent, azonate, dry. 

 bay-red to rufous, not fading, subshining, margin at first involute. 

 FLESH rather thin, rather sofl when moist. GILLS adnate-decur- 

 rent, close, at length pruinose, narrow, ochraceous then i 

 STEM 5-8 cm. long, (longer in moss), 6-12 nun. thick, equal, ,; 

 glabrous, sometimes pruinose, stuffed then hollow, firm, ru/i 

 paler, often Btrigose-hairy at base. SPORES sub-globos< 7-8 ml 

 slightly echinulate, white. MILK white, unchanging, >■ 

 i >i n >i: none. Poisonous. 



<>n the ground in hemlock and pine woods. New Richmond. ? 

 tember. [nfrequenl or local. 



Known by its red-brown color, umbonate pileus, v< 



