412 APPENDIX. 



Subgenus 20. Gaiera. 



A. (Ga.) tener, Seliseff. On dung, and in rich pastures, woods, and gardens ; 

 very common. 



Subgenus 21. Ceepidotus. 



A. (Cr.) mollis, Schseff. On stumps and dead branches ; very common. 

 A. (Cr.) variabilis, P. On dead sticks, grass, &c. ; very common. 



Section IV. Peatell^. Scores brownish-purple. 

 Subgenus 22. Psaxmota. 



A. (Ps.) cretaceus, Fr. In pastures north of London ; rare. 



A. (Ps.) arvensis, Schseff. In fields north of Loudon ; very common. Escu- 

 lent. 



A. {Ps.) campestris, L. The Mushroom. Kich pastures north of London ; com- 

 mon in all its varieties. Kensington Gardens ; Sowirhy. Esculent. 



A. {Ps.) cchinatus, Eoth. In gardens and greenhouses ; not common. 



Siibgenus 23. Sthophaeia. 



A. {St.) (srtiginosus. Curt. Very common in woods and on stumps. Lord 

 Mansfield's little wood near the ' Spaniards ;' Curtis. Poisonous. 



A. (St.) albocyancus, Desm. In pastures ; not common. 



A. {St.) semiglobatus, Batsch. Extremely common on horse-dung; comes 

 up in the streets ; on rotten straw and rubbish ; top of the cornice, 

 London Bridge. Pasture by Hornsey Wood, towards Islington ; Cur- 

 tis, under A. glutinosus. Probably poisonous. 



Subgenus 24. Htpholoma. 



A. {Hyp.) sublateritius, Fr. On old stumps, and in hedges; common. 



Poisonous. 

 A. {Hyp.) capnoides, Fr. About old fir stumps ; Ken Wood ; rare. 

 A. {Hyp.) fascicular is, Huds. About stumps and rails ; extremely common 



and poisonous. 

 A. {Hyp.) lacrymabundus, Bull. In woods and fields, north London ; very 



common. 

 A. {Hyp.) velutirms, P. About stumps and rails ; extremely common. 

 A. {Hyp.) appendkidatus, Bull. About stumps, and in pastiu*es ; common. 

 A. {Hyp.) hydrophilus. Bull. In hedges and pastures, and about stumps; 



not common. 

 A. {Hyp.) lanaripes, Cooke. In a conservatory, Highgate ; M.C.C. 



Subgenus 25. Psiloctbe. 



A. {Ps.) coprophilus, Bull. On horse dung, pastures. Millfield Lane ; rare. 

 A. {Ps.) semilanccolatus, Fr. Common in all the parks, and in the woods 



north of London. 

 A. {Ps.) spadiccus, SchfeiF. In woods, and about stumps and fallen trees 



north of London ; abundant in a gravel pit. Stoke Newington. 

 A. {Ps.) Fmnisecii, P. In the parks aud fields ; common. 



Subgenus 26. Psathyea. 



A. {Ps.) cnrrugis, P. In gardens, &c. ; not uncommon in London. 



A. {Ps.) gossypinus, Fr. Once only at Highgate, 1861 ; M. C. C. \ 



