16 KEY TO APHYLLOPHORALES, ETC. 



II. CLAVARIINEAE. 



Same characters as the suborder CLAVARIACEAE. 



II. CLAVARIACEAE. 



Receptacle erect, simple, or branched, 

 branches cylindrical, smooth, or longitu- 

 dinally striate, fleshy, or subcoriaceous, 



Clavaria. 



generally putrescent. Spores white, or ochra- 



ceous, smooth, or rough. Growing on the 



ground, or on wood 



Receptacle erect, simple, very rarely branched,^ 



cylindrically-clavate, with a long, thin stem, 



often springing from a sclerotium, fleshy, >- Typhula 



waxy, or tough. Spores white. Growing on 



fallen twigs and dead leaves 



Receptacle erect, simple, very rarely forked,N 



club shaped, with a short, thick, glabrous, or I p / 77 



villose stem, fleshy, or waxy. Spores white.] 



Growing on herbaceous plants J 



Receptacle filiform, simple, or branched, firm, j 



tough. Spores white. Growing on the ground, [ Pterula. 



or on wood j 



** EXOB ASIDIINE AE. 



EXOBASIDIALES. 

 Same characters as the order EXOB ASIDI ACE AE. 



EXOB ASIDI ACE AE. 



Mycelium vegetating in the interior of the) 



li ving host, and giving rise, on the exterior, j- Exobasidium. 



to basidia j 



HETEROBASIDIAE. 



AURICULARIALES. 

 1 Parasites, with, or without, probasidia PUCCINIINEAE 1 . 



COLEOSPORIINEAE 1 . 

 USTILAGINEAE 1 . 

 2. Saprophytes, without probasidia 



(a) Hymenium fully exposed from the first AURICULARIINEAE. 

 (6) Hymenium inclosed within a peridium ECCHYNINEAE. 

 1 Not dealt with in the present work. 



