I860.] CHAPTERS ON FUNGI. ^ 75 



subrepand, smooth, zoneless; spines unequal^ pale, as well as the 

 irregular stem. 



Woods, autumn; common. 



Subgregarious. Pileus 2-4 inches broad, irregular in form, 

 and often excentric, more or less lobed, huffish or subrufescent, 

 smooth, or sometimes tomentose. Spines unequal, conical, 

 entire, or sometimes bifid, or laciniated. Stem l|-3 inches high, 

 1 inch thick, solid, paler than the pileus, sometimes sublateral. 



Not rare, but seldom occurring in any abundance. It is edible, 

 and highly esteemed in some countries. 



Radulum. 



Hymenium tuberculated. Tubercles shapeless, resembling 

 papillae, or rude, somewhat angular spines, more or less obtuse, 

 distant, distinct, or irregularly fasciculate, the inner substance 

 homogeneous with the receptacle, 



Radulum orbiculare, Fr. Circular Radulum. EflTused, orbi- 

 cular; margin byssoid, yellowish-white ; tubercles shapeless, some- 

 what elongated and fasciculate. 



On dead Birch-trees, and also on wild Cherry, etc. ; autumn 

 to spring. 



Very variable, resupinate, 2-3 inches broad. Margin byssoid, 

 yellowish in the centre, becoming white at the circumference. 

 Tubercles irregular, tooth-like, obtuse, longish, often fasciculate, 

 and sometimes tomentose at the apices. 



A pretty and curious Fungus, generally found on decaying 

 Birch-trees. 



4. AUBICULABINI. 



This suborder is characterized by the fructifying surface being 

 even, i. e. without folds, tubes, prickles, etc. It contains a large 

 number of species, many of which are found in this country. I 

 shall take the old genus Thelepliora, which is now split into many 

 others, as the type of the Order. 



Thelephora. 



Hymenium homogeneous, and concrete with the pileus, even or 

 papillate, the whole surface bearing spores. 



Thelephora hirsuta, Willd. Common Thelephora. Effuso- 

 reflexed, coriaceous, strigose ; beneath smooth, even, buff. 



On sticks, pales, fallen trees, etc. Perennial ; very common. 



