Exidia 



TREMELLINACEiE 



447 



Subfamily II. EUTREMELLINOIDE^E 



Basidia subglobose, at maturity longitudinally quadripartite and 

 producing at the apex two to four elongate sterigmata. 



Species 2004—2029 



XCIX. EXIDIA Fr. 



(From the exuding receptacle ; Gr. exidio, to exude.) 



Gelatinously distended, tremelloid, irregularly gyrose and lobed, 

 submarginate or effused, often papillose, when young cup-shaped and 

 truncate. Basidia globose or ovoid, typically longitudinally four- 



Fig. 114. — a, B, Exidia glanditlosa Fr., entire and in section. One-half 

 natural size, c, basidium and spores ; D, spores germinating and producing 

 sporidiola. X 500. 



partite, bearing four elongate stout sterigmata. Spores reniform, 

 for a long time continuous, becoming i- to many-septate on germi- 

 nation, each cell or loculus of the spore giving origin to a very short 

 promycelium bearing a crown of strongly-curved sporidiola. (Fig. 114.) 



Species 2004—2007 



a. Auriculina. Pezizoid. 2004, 2005 



b. Spicularicz. Somewhat plane, not lustrous beneath, gland- 



ular, here and there gyrose. 2006, 2007 



a, Auriculina* 



2004. E. truneata Fr. (from its appearance, as if cut short ; trunco, 

 to maim, shorten) a c. Soft, distended, shining black. 

 Disc truncato-plane, glandular, at length cavernous, rough with 

 dots beneath. St. very short. 



Bursting through bark, lime, willow. Dec. li in. 

 scale. 



Like 2006 on a small 



