CLASSIFICATION OF AGARICS 



gan plants. Many others, doubtless definite and distinct Bpe< 

 have qoI been identified, either because of fe* collections or be 

 cause mi young Btages wen- found. The work has been based 

 much as possible on the thorough foundation established for this 

 group by Pries, with the exception thai one subgenus, vis. Bulbopo 

 • liiiin. has hern segregated along lines already recognized bj Prie« 

 himself. This aame was proposed bj Earle | \. ST. Bot Gtord. BulL, 

 Vol. 5, p. ill i who raised the Bubseotion Bcauri, of Pries, to the 

 rank of genus. For the Bake of uniformity in the presenl report 

 and since there is mi special practical gain in breaking up such a 

 natural genus as < 'urt inarius. it seemed preferable to raise th<- «-ui> 

 sections of Pries only to Bubgeneric rank. The descriptions of the 

 species of Peck which I have not collected are given in quo 

 lions, with such changes as adapl them to the plan of the report; 

 in some cases additions were made from an examination of the 

 types in order to facilitate their further study. In the ke\ an 



effort has been made to avoid the use of the hygrophanous character 

 wherever possible, so that dry weather forms may be more easily 

 run down. 



Key to the Specit 8 



(A) Pileus with a gelatinous cuticle, always more or less viscid or 

 glutinous when moist, 

 (a) Stem at base with a marginate-depressoil bulb. (BulbopoditUD 

 (b) Pileus normally between :: and "> cm. broad. 



(c) In green-houses, mushroom beds, etc.; gills whitish to 

 ochraceous at first; pileus pale alul 844. 



Pk. 

 (cc) In woods. 



(d) Spores 12-14x6-7 inicr.; pileus. gilla and Stem vlo 



332. C. caerulescens Fr. 

 (dd) Spores 8-9 x ~> inicr.; pilous not bine 

 (e) Pileus ochre-yellow to citron: tills vlolao nib 



shallow. 320. 0. calochrous Ft. 

 (ee) Pileus olivaceous-brown: pills olivaceous 

 violaceous-blue. 322. 0. herpeti&M Fr. 

 (bb) Pileus normally between 5 and 12 cm. broad. 

 C. herpeticu8.) 

 (c) In some part or wholly with violet blue or purple Bha I 

 (d) Gills white at first, never violaceous, lower part 



yellow. 334. 0. caesiui Clements, 

 (dd) Gills violaceous or purplish at first. 

 (e) Pileus deep purple when young. 



in Flesh or gills changing to purple when cut or br 

 (g) Spores spherical; pileus B-16 cm. bro 



8phoero8perma sp. nov. 

 (gg) Spores elliptical; pileus 5-8 Cm. broad. 

 tin st. 'in soliii. .".27. 0. purpurascen* Fr 

 ihh) Stem stutTed or hollow. 

 tu Fr. 

 (fl) Flesh and Kills not chancing to purplish when bru 



mature pileus amoky-olive gray as 

 pileus blue. 329. 0. aggregate* ^-p nov. 



