TREMBLING FUNGI. 



205 



Tremeila lutescens Pers. This plant is entirely yellow, and occurs 

 on branches. It is 2-5 cm. in diameter, and is strongly folded, some- 

 what like the folds of a brain (gyrose). It is very soft and inclined 

 to be watery and fluid, and is of a bright yellow color, spread out on 

 the surface of rotten wood. It is of world-wide distribution, and 

 appears from mid- 



to late 



^5- 

 o ^ 



summer 

 autumn. 



Tremeila myce = 

 tophila Pk. This 

 plant is interesting 

 from the fact that 

 it is parasitic on a 

 mushroom, Colly bia 

 dryophila. It grows 

 on the stem or on 

 the top of the cap of 

 the Collybia, and it 

 is white, or yellow- 

 ish, very much con- 

 torted (gyrose-pli- 

 cate) , nearly 

 rounded, and 8-16 

 mm. in diameter. 

 Figure 205 repre- 

 sents this Tremeila 

 growing on the Col- 

 lybia dryophila, from 

 plants collected at 

 F r e e V i 1 1 e woods 

 near Ithaca. 



Tremeila frondosa 

 Fr. This is said to 

 be the largest spe- 

 cies of the genus. 

 It grows on rotton 

 wood. It occurs in 



Europe, has been collected in New York State, and the Fig. 206 is 

 from a plant (No. 4339, C. U. herbarium) collected at Blowing 

 Rock, N. C, in September, 1899. The plant figured here was 10 

 cm. long and about 8 cm. high. It is very much twisted and con- 

 torted, leaf-like, and the middle and base all united. It is of a 



