KEY TO ATJRICULARIALES 



17 



AURICULARIINEAE. 



Same characters as suborder 



AURICULABIACEAE. 



AURICUL ARI ACE AE . 



Receptacle effused, incrusting, membrana-\ 



ceous, soft, floccose. Hymenium smooth. 



Basidia more or less incurved, transversely ^ Helicobasidium. 



septate; sterigmata subulate, unilateral. 



Spores white 



Receptacle effused, or upright, thin, waxy, on 

 gelatinous. Hymenium smooth. Basidia! , , 

 cylindrical, straight, transversely septate.) 

 Spores white J 



Receptacle dimidiate, cup-shaped, sessile, or 

 substipitate, gelatinous coriaceous, then carti- 

 laginous. Hymenium smooth, reticulate, or 

 ribbed. Basidia cylindrical, transversely 

 3-septate. Spores white, cylindrical, or sub- 

 reniform 



Receptacle erect, filiform, or subclavate. Hy- 

 menium smooth. Basidia cylindrical, trans- 

 versely 3-septate. Spores white 



Eocronartium. 

 (Clavaria p.p. 

 = Helicobasidium 

 sec. Patouillard.) 



Receptacle erect, globose, stipitate. Hyme-\ 

 nium consisting of branched threads ter- 

 minated by a basidium. Basidia short, pear- > Stilbum. 

 shaped, transversely 1 -septate. Spores white, 

 elliptical. Growing on dead wood / 



ECCHYNINEAE. 



Same characters as suborder 



ECCHYNACEAE. 



ECCHYNACEAE. 



Peridium globose, stipitate, or substipitate, 

 thin, fugacious. Threads of gleba bearing the 

 basidia on their lower portion, either in tufts, 

 or scattered. Basidia transversely 3-septate, 

 bearing the spores either sessile, or on very I 

 short sterigmata. Spores brown ' 



Ecchyna. 



