THELEPHORACEAE— HYDNACEAE 107 



(m) Spores smooth Coniophora 6: 647 



(n) Spores angular or aculeate 



Prillieuxia 14: 225 

 (y) Pileus cupulate or cylindric 

 m. Pileus cupulate Cyphella 6: 667 



n. Pileus terete to cylindric Solenia 6: 424 



(b) Hymenium with cystidia 

 x. Cystidia simple 



(x) Cystidia hyaline Peniophora 6:640 



(inch Coniophorella 17:183) 

 (y) Cystidia colored Hymenochaete 6:588 



(inch Lloydiella 16: 11 16) 

 y. Cystidia septate Bonia 11:123 



(2) Hymenium absent, or more or less cobwebby 



(a) Biogenous 



x. Hymenium endophytic Endobasidium 17: 190 

 y. Hymenium erumpent 



(x) Basidia circinate Helicobasidium 6:666 

 (y) Basidia not circinate 



m. Spores globose; on galls Urobasidum 11:131 



n. Spores cylindric; on roots *Chrysobasidium 11:131 



(Aureobasidium) 



o. Spores oblong; on leaves Exobasidium 6:664 



(b) Saprogenous 



x. Spores septate, fuscous Heterobasidium 9: 237 



y. Spores 1 -celled, hyaline 



(x) Brown stellate hyphae present 



Asterostroma 9:236 

 (y) Brown stellate hyphae absent 

 m. Basidia 4-spored Hypochnus 6: 653 



n. Basidia 2-spored Matruchotia 11:118 



(Cfr. Tulasnellaceae 14:234) 



II. Parasitic on algae 



1. Algae Chroococcus Cora 6:685 



2. Algae Scytonema Rhipidonema 6:687 



(Zahlbruckner 237) 



Family 63. HYDNACEAE 



6:429, 9:208, 11:106, 14:201, 16:174, 18:147 



Pileus cap-shaped to resupinate, fleshy, gelatinous, woody or leathery ; hymenium 

 consisting of spines, teeth, or granules, rarely somewhat pore-like; spores various. 



I. Pileus more or less gelatinous 



1. Gelatinous, stalked or dimidiate ; with teeth 



Tremellodon 6:479 



2. Waxy-gelatinous, resupinate, with granules 



Grandiniella 14: 208 



II. Pileus fleshy, woody or leathery 



1. Hymenium of more or less subulate teeth or spines 



