312 TREMELLINEI. 



Tremeila On the ground. Rare. Aug.-Sept. 



Name en-i, upon ; yrj, the earth. B. & Br. n. 373. t. 9. /. 3. Berk. Out. 

 p. 289. C. Hbk. n. 1028. S. Mycol. Scot. n. 968. 



IV. TUBERCULIFORMES. Small, somewhat erumpent. 



11. T. violacea Relh. Small, 6-8 mm. (3-4 lin.) broad, 2 mm. 

 (i lin.) thick, 'violaceous, becoming black when dry, erumpent, 

 firm, somewhat compressed, gyrose. 



Gregarious. The habit is that of Dacrymyces, but the structure is that of 

 Tremeila. 



On trunks of pear-trees. Rare. 



Name from the colour. Relh. Cant. p. 442. Fr. Hym. Eur. p. 692. 

 Dacrymyces Berk. Out. p. 290. C. Hbk. n. 1036. Tulasne Ann. Sc. Nat. 

 1853, t. 12. /. 3-12. 



12. T. indecorata Sommerf. Dingy, livid or olivaceous 

 becoming fuscous, black fuscous when dry, 4-8 mm. (2-4 lin.) 

 broad, 4 mm. (2 lin.) thick, erumpent, rounded, convex when 

 swollen, plicate, opaque. 



At first bursting through bark, firm, then plicate, connate as if with many 

 lobes combined. 



On birch, oak, willow. Rare. Oct.-Nov. 



Name indecorus, ugly. From its dingy appearance. Sommerf. Lapp. p. 

 306. Fr. Hym. Eur. p. 692. Berk. Out. p. 288. C. Hbk. n. 1022. S. Mycol. 

 Scot. n. 969. 



13. T. moriformis Eng. Bot. Black, minute, somewhat gelat- 

 inous, firm, spherical, sinuous, opaque. 



Habit exactly that of the mulberry. 



On dead branches. Rare. Bath'easton. Dun. Forfarshire. 

 Nov. 



Interior mass translucent, violet. Staining paper violet. Name morus, 

 mulberry ; forma, form. From its resemblance to a mulberry. Eng. Bot. t. 

 2446. Berk. Out. p. 287. C. Hbk. n. 1019. S. Mycol. Scot. n. 970. Fr. 

 Hym. Eur. p. 692. 



14. T. tubercularia Berk. Erumpent, somewhat stipitate, 

 head pileate, dingy white, nearly black when dry; stem round, 

 short. 



When dry it has a peculiar semi-transparent horny appearance. 

 On dead branches. Frequent. Oct. -Dec. 



Nametuberculum, a tubercle. Berk. Out. p. 288. C. Hbk. n. 1024. S. 

 Mycol. Scot. n. 971. Fr. Hym. Eur. p. 692. 



