450 TREMELLINACEiE Tremella 



continuous • on germination a tube is formed that is covered with 

 broadly elliptical sporidiola. Conidia when present, as in 2012, 2013 

 and 2021, subglobose, racemose in sporiferous conceptacles in the 

 sporophore. (Fig. 116.) Species 2010 — 2024 



a. Mesenteriformes. Cartilagineo-gelatinous ; lobes large, folia- 



ceous, not pruinose with spores, csespitose. 2010 — 2012 



b. Cerebrince. Lobes short, contorted, brain-like, pruinose with 



white spores. 2013 — 2015 



c. Crustacea. Effused, applanate. 2016 — 2018 



d. Tuberculiformes. Small, suberumpent. 2019 — 2024 



a. Mesenteriformes. 



2010. T. fimbriata Pers. (from the somewhat fimbriate edges of the 



lobes) a b. 

 Erect, corrugate, lobes flaccid, blackish-olive to brown-black ; 



marg. undulato-fimbriate or incised. 

 Dead branches ; rare. 4§ in. 



2011. T. frondosa Fr. (from a fancied leaf- or lamella-like appear- 



ance in the lobes ; frondosus, leafy) a b c. 

 Even, gyroso-undulate, plicate at base, diaphanous, pale yellowish- 

 buff, shaded salmon or vinous in places, base brownish-vinous. 

 Stumps, roots of living trees, oak, beech, hornbeam. July-Nov. 9 in. 



2012. T. luteseens Pers. (from the yellowish colour ; luteus, yellow) 



a c. 

 Tremulous, soft, inclining to fluid, undulato-gyrose, lobes crowded, 



entire, at first whitish then pale yellowish. 

 Stumps, oak ; frequent. Aug. -Feb. if in. 



b. Cerebrince. 



2013. T. mesenteriea Retz. (from a fancied resemblance to the 



mesenteric membrane) a b c. 



Expanded, somewhat tough, plicato-undulate, gyrose, changeable 



in form, smooth, vivid yellow to rich orange. 



Dead branches, sticks, rails, oak, alder, beech, furze, broom, ivy ; common. 

 Jan. -Dec. 35 in. 



2014. T. intumeseens Sm. (from the swollen habit ; intumesco, to 



swell up) a b c. 



Rounded or conglomerate, somewhat tortuous and lobed, obso- 



letely punctate, soft, brown. 



Subcrespitose. Fallen trunks in a wet state, beech; rare. Jan. 2J in. 

 Becoming a thin black membrane when dry. 



2015. T. vesiearia Sm. (from the swollen, bladder-like lobes ; 



vesica, a bladder) a b c. 

 Erect, firm, gelatinous, gyrose, much waved and wrinkled, 



gelatinous within, dull biscuit. 

 On the ground ; rare. Sept. 4§ in. Often much inflated and soon falling 



over. 



