TREMELLA. 61 



smooth (not corrugated) ; base firmer, plicate ; pale pinkish- 

 yellow ; spores subglobose, apiculate, 7-9 /^. 



Tremella frondosa, Fries, Syst. Myo. ii. p. 212 ; Cke., 

 Hdbk., p. 344. 



On trunks of oak, &c. The largest species of the genus 

 sometimes 4 in. high and broad, or even more. 



Tremella'lutescens. Pers. (fig. 15, p. 56.) 



Very soft and gelatinous, lobes crowded, entire, undulately 

 gyrose, pale then yellowish; spores subglobose, 12-16 //, 

 diameter ; conidia globose, 1 5-2 p. diameter. 



Tremella lutescens, Persoon, Syn., p. 622; Cke., Hdbk., 

 p. 345. 



On fallen branches, stumps, &c. Very soft and tremulous, 

 ^ 2 inches broad. 



The conidia are produced at the tips of densely corymbose 

 branches in the substance of the fungus. 



Sect. II. Cerebrinae. 



Lobes short, contorted, brain-like, pruinose with the white 

 spores. 



Tremella mesenterica. Eetz. (fig. 14, p. 56.) 

 Gelatinous but firm, bright orange-yellow, variously con- 

 torted ; lobes short, smooth, pruinose with the white spores 

 at maturity ; spores broadly elliptical, 69 /x, diam. ; conidia 

 1-1 5 p. diam. 



Tremella mesenterica, Eetz. in Vet. Ak. Handl. 1769, p. 249 ; 

 Cke., Hdbk. p. 345. 



On dead branches. Very variable in form, but known by 

 the bright orange colour. From ^-2 inches across. 



Tremella intumescens. Eng. Bot. 



Gelatinous; subcaespitose, rounded, broken up into nu- 

 merous tortuous lobes, brown, shining, obscurely dotted, 

 becoming darker when dry ; spores oblong, slightly curved, 

 12-14 x 3-4 p.. 



Tremella intumescens, Eng. Bot., tab. 1870 ; Cke., Hdbk., 

 p. 346. 



On trunks of beech, &c. From 1-2 inches across. 



