26 Charles E. Besscy 



between the branches. Clathrus, Simblum, Aseroe. (Pf. I, i**, 

 280.) 



Order Agaricales. Toadstool Fungi. Spore-fruit when 

 mature from umbrella-shaped to bracket-shaped, branched, fruti- 

 cose, foliose, and vaguely expanded, developing a hymenium on 

 surfaces which are eventually external. 



Family 119. Agaricaceae. Agarics. Spore-fruits usually 

 fleshy, typically umbrella-shaped, with hymenium on lamellae on the 

 under side of the cap. Coprinus, Riissula, Psalliota, Agaricus, 

 Amanita. (Pf. I, i**, 198.) 



Family 120. Polyporaceae. Polypores. Spore- fruit fleshy, 

 leathery or woody, from umbrella-shaped to bracket-shaped, and 

 resupinate and expanded ; the hymenium lining pits or pores. 

 Fomes, Polyporus, Polystictus, Boletus. (Pf. I, i**, 152.) 



Family 121. Hydnaceae. Prickly Fungi. Spore-fruit fleshy 

 or leathery, from umbrella-shaped to bracket-shaped, fruticose 

 or resupinate-expanded, the hymenium covering the surface of 

 warts or prickles. Hydnum, Irpex. (Pf. I, i**, 139.) 



Family 122. Clavariaceae. Coral Fungi. Spore- fruits fleshy 

 to leathery, cylindrical to clavate and fruticose, the hymenium 

 covering the outer surface. Pistillaria, Clavaria. (Pf. I, i**, 

 130.) 



Family 123. Thelephoraceae. Leathery Fungi. Spore-fruits 

 cuticular or leathery, flat, shell-shaped, capitate or branched, the 

 hymenium smooth and covering the surface. Corticium, Stcreum, 

 Thelephora. (Pf. I, i**, 117.) 



Order Exobasidiales. Reduced and degraded Basidiosporeae, 

 related to the preceding families ; basidia undivided, more or less 

 rounded. 



Family 124. Dacryomycetaceae. Saprophytes; basidia long- 

 clavate, branched in or on gelatinous explanate, cup-shaped fru- 

 ticose or capitate spore-fruits. Dacryoniyces, Gncpinia, Calocera. 

 (Pf. I, I**, 96.) 



62 



