Tremetta TREMELLINACE^E 45 1 



c. Crustacea. 



2016. T. viseosa Berk, (from the viscid substance) a c. 



Effused, thin, resupinate, obscurely veined, undulato-uneven, 



following inequalities of matrix, white, becoming hyaline or 



translucent yellowish-white. 



Dead branches, rotten wood, oak ; common. Jan. -Dec. 4 in. Collapses 

 completely in drying, leaving only a purple-grey stain on the bark. 



2017. T. epigsea B. & Br. (from its habitat, the earth ; Gr. epi, upon, 



ge, the earth) a b c. 



Effused, thin, gelatinous, obscurely gyroso-plicate, hyaline, then 



white. 



Covering twigs, moss, beech-nuts, etc., and spreading on to earth ; rare. 

 Aug. -Nov. 4 in. 



2018. T. violaeea Relh. (from the violet colour) a. 

 Erumpent, firm, somewhat compressed, gyrose, violaceous. 

 Gregarious. Trunks, pear ; rare, f in. Sometimes confounded with 2020. 



d. Tuberculiformes . 



2019. T. indeeorata Sommf. (from its dull colour ; indecorus, ugly) a. 

 Sessile, rounded, convex, plicate, moist, opaque dull livid or 



olivaceous, becoming dark brownish or slate-colour. 



Branches, birch, oak, willow, hazel, poplar ; rare. Oct. -Nov. Length of 

 connate group 3^ in. ; width \\ in. 



2020. T. moriformis Sm. (from a fancied resemblance in the 



shape and colour to a mulberry; moriis, a. mulberry, forma, 

 form) a b c. 

 Conlobate, sinuous, somewhat gelatinous but firm, mulberry- 

 black. Flesh purple-crimson-blackish, base black. 



Maple, chestnut, Robinia, elm, plane ; rare. June-Feb. Common size 

 about I in. X f in. Sometimes confounded with 2018. 



2021. T. tubereularia Berk, (from its appearance, like a little tuber, 



ttiberculum) a b. 



Erumpent, substipitate, pileate, stem round, dull white. 



Bark, wood, oak, on old decayed Corticiutn. Oct. -Dec. ^ in. Tubereularia 

 albida B. & Br., Brit. Fl. vol. v. p. 354. " Coryne sp." Berk MS. on 

 original example. "Certainly not a Treuiella, but the conidial form of 

 some species," Massee, Brit. Fung. Fl. vol. i. p. 64. 



2022. T. versicolor B. & Br. {versicolor, changeable in colour) a b c. 

 Orbicular, tear-like, pallid when young, then orange, at length 



brownish-ochre. 

 On 1845, ash, briar; uncommon. Feb. -May. ^ in. 



2023. T. atrovirens Sacc. (from the blackish-green colour ; atcr, 



black, wrens, green) a b c. 

 Erumpent, disciform, very minutely papillate and rugose. 



Gregarious or confluent, growing through cracks in bark. Dead branches, 

 broom. Oct. ^ to \ in. 



2 G 2 



