CLAVIS AGARICINORUM. 201 



* With cartilaginous bark. 



Gills decurrent 25. Tubaeia. 



Gills not decurrent. 



Margin of pileus at first incurved . . . .23. Naucoeia. 



Margia of pileua always straight 24. Galeea. 



IV. Spores purple, sometimes brownish-purple, dark purple or dark brown. — 

 Pratell(B. 



* Without cartilaginous bark, 

 t Hymenophorum free. 



X With a ring 26. Psalliota. 



J Eingless 27. Pilosaoe. 



t Hymenophorum confluent. 



Veil normally ring-shaped on the stem . . .28. Steophabia. 

 Veil normally adhering to the margin of 



pileus 29. Htpholoma. 



* With cartilaginous bark. 



Gills decurrent 32. Decokica. 



Gills not decurrent. 



Margin of pUeus at first incurved . . . .30. Psiloctbe. 



Margin of pUeus at first straight 31. Psathtba. 



V. Spores black, or nearly so. — Coprinarii. 



Gills deUquescent 2. COPRINUS. 



Gills not deliquescent. 



Decurrent 8. QOMPHIDIUS. 



Not decurrent. 



PUeus striate, gills not variegated . . .34. Psathyeella. 

 PUeus not striate, giUs variegated . . .33. PANiEOLUS. 



3. Characters of the Genera and Subgenera of the 

 Agaricini. 



Ordeb Agaricini. — Hymeniura inferior, spread over easily-divisible 

 gills or plates radiating from a centre or stem, which may be either 

 simple or branched. 



Genus I. Agaricds, Linn. Syst. Nat. (1735). — Spores of various 

 colours ; gills membranaceous, persistent, with an acute edge ; trama 

 floccose, confluent with the inferior hymenium. Pleshy fungi, putrify- 

 ing, and not reviving when once dried, hence differing from such genera 

 as are deliquescent, coriaceous, or woody. 



Series I. Leucospoei, Fr. Epier. p. 3. — Spores white. 



Subgenus 1. Amanita, Persoon, Syn. Meth. Fung. p. 246 (Plate 

 I. fig. 1). — Veil universal, at first completely enveloping the young 

 plant, distinct and free from the cuticle of the pileus ; pileus convex, 



