346 THE PLANT PHYLA 



leathery or woody; hymenium lining 

 pits or pores. — Boletus, Polyporus, 

 Fomes, Polystictus. 



Family 120. Hj'dnaceae. Prickly Fungi. From um- 

 brella-shaped to bracket- shaped, 

 fleshy to leathery or woody; hymen- 

 ium on warts or prickles. — Hydnum, 

 Irpex. 



Famil}^ 12L Clavariaceae. Coral Fungi. Cylindrical 

 to clavate and fruticose, mostly 

 leathery; hymenium superficial. — Pis- 

 tillaria, Clavaria. 



Family 122. Thelephoraceae. Leathery Fungi. Flat, 

 shell-shaped, capitate or branched, 

 mostly leathery; hymenium superfi- 

 cial. — Thelephora, C o r t i c i u m, 

 Stereum. 

 Order Exobasidiales. Reduced and degraded plants 

 related to the preceding families; 

 basidia undivided. 



Family 123. Dacryomycetaceae; 124, Tulasnellaceae; 

 125, Hypochnaceae; 126, Exobasid- 

 iaceae. 

 Order Tremellales. Jelly Fungi. Reduced and degrad- 

 ed plants related to the preceding 

 families; basidia divided verticall5\ 



Family 127. Sirobasidiaceae. 



Family 128. Tremellaceae. Basidia collateral, spore 

 fruits open. — Tremella, Exidia. 



Family 129. Hyaloriaceae. 

 Order Auriculariales. Ear Fungi. Reduced and 

 degraded plants related to the preced- 

 ing families; basidia divided trans- 

 versely. 



Family 130. Auriculariaceae. Hymenium exposed, on 

 a gelatinous, foliose or vague spore 

 fruit. — Auricularia. 



Family 131. Pilacraceae. 

 Class 17. TELIOSPOREAE. Brand Fungi. Parasitic, much 

 reduced plants, producing erumpent 

 sori (but no definite spore fruits) 



