Spores: long, hyaline, cylindrical, sausage-shaped and 12-15 × 5 µm in size.
Cystidia: absent.
Habitat & Distribution: Frequent in crowded groups on stumps, logs and fallen branches of broad-leaved trees, especially those of ash; common throughout the year.
General Information: Tremella foliacea (S. F. Gray) Persoon and Tremella mesenterica Hooker are similar but more convoluted with leaf-like lobes. The former is cinnamon brown and occurs on conifer wood and its spores are 7-9 × 5-7 µm, whilst the latter is bright golden yellow or orange-yellow and occurs on broad-leaved trees. T. mesenterica has spores 7-8 × 5-6 µm, often accompanied or replaced by small, asexually produced spores.
Glandulosa—means full of glands and refers to the glands of the upper surface of the Witch’s butter.
The convoluted fruit-body of the Tremella spp. is reflected in the word foliacea—leafy, and mesenterica—middle intestine. The last species is also often called the ‘Yellow brain-fungus’.
Illustrations: Exidia glandulosa—LH 225; NB 1494; WD 1073. Tremella mesenterica—LH 225; NB 1495; WD 1076.
Plate 61. Jelly fungi
![[Larger illustration]](#467779198995390083_illo185lg.png.id-8356840806011315637.wrap-0.html.html){kind=link}