TREMELLA. 63 



with purple tinge, internally deep purple, opaque, firm ; 

 spores subglobose, apiculate, 5 X 4 //,. 



Tremella moriformis, Berk., Outl., p. 287 ; Cke., Hdbk., 

 p. 346. 



On rotten wood. Small, resembling mulberries in, minia- 

 ture. Gives out a purple colour when treated with potassic 

 hydrate. 



Tremella versicolor. Berk. 



Gelatinous but firm, orbicular, orange, at length brown ; 

 spores broadly elliptic-apiculate, 6 X 4 /i. 



Tremella versicolor, Berk., Outl., p. 288 ; Cke., Hdbk., p. 347. 



On Corticium nudum. Forming minute orange, tear-like, 

 convex spots on the hymenium of the Corticium, paler when 

 young, at length assuming a rufous tinge. (Berk.) 



Tremella atrovirens. Fries. 



Minute, erumpent, minutely papillate and rugose, sooty- 

 green when moist, blackish when dry ; gregarious or con- 

 fluent; spores ellipsoid, subapiculate, 12-15 x 10-13 p. 



Tremella atrovirens, Fries, Syst. Myc. ii. p. 232. 



On dead branches of SarotJiamnus. One to three lines in 

 diameter. 



Tremella clavata. Pers. 



Solitary, simple, incrassated, reddish flesh-colour, becoming 

 black at the base. 



Tremella clavata, Pers., Ic. Pict., t. 10, f. 1; Cke., Hdbk., 

 p. 347. 



On stumps. About 1 inch high, 2 lines broad, blackish 

 below and slightly twisted (Berk.). 



The present species has not occurred recently, unless 

 indeed it is a form of Tremella sarcoides, mentioned below. 



Tremella tubercularia. Berk. 



Erumpent, stem cylindrical, greyish, head subglobose, 

 smooth or plicate, whitish, becoming dark when dry ; conidia 

 2 x ' 5 fj., straight or slightly curved. 



Tremella tubercularia, Berk., Outl., p. 288; Cke., Hdbk., 

 p. 347. 



On fallen branches, especially oak. Consisting of a rather 

 thick stem with a more or less rounded head, 2-4 lines high. 

 AY hen dry of a semi-transparent horny appearance. 



