EPHEBACEI. 



[SPILOKEMA, 



Journ Bot 1874, p. 331), which most probably is a distinct genus. 

 Sima would then contain only one species, viz. & paradowm From 

 Sr though differing but slightly in the structure of the thallus, S pl - 

 lonemdi* readily distinguished by the fructification. 



1 S paradoxum Born. Mem. Soc. Cherb. iv. (1856) p. 226, 

 t 1* 2 Thallus fmticulose, branched, thin, cylindrical, pannoso- 

 intricate, the branchlets subsecund, dark-brown or brownish-black, 

 usually opaque. Apothecia smaU, terminal, somewhat convex, im- 

 marginate, black ; spores oblong, simple, 0,009 mm long, 004 mm. 

 thick, hypothecium blackish ; hymenial gelatine deep blue, then 



i---? 



Fig. 2. 



Spilonema paradoxum Born. a. Thalline branch with apothecium, X 30. 

 a'. Three branches with spermogones, x30. b. Fragment of trunk and 

 larger branch, and b', branchlets, X 200. c. Very thin section of thalline 

 trunk, and c' transverse section of the same, X 200. d. Section of apothe- 

 cium, X 30. e. Theca and paraphyses, X 350. /. Spores, X 500. g. 

 Jointed steriginata and spermatia, X 500. 



dark-violet with iodine. Nyl. Syn. i. p. 89, t. 2. f. 4 ; Mudd, 

 Man. p. 35 ; Leight. Ann. Mag. Nat. Hist. ser. 3, xvi. p. 9, 

 t. 4. ff. 7-11 ; Licb. Fl. p. 11, ed. 3, p. 10 ; Cromb. Lich. Brit, p. 1 ; 

 Journ. Bot. 1874, p. 331. Brit. Exs. : Leight. n. 347. 



In an infertile or immature state this is difficult to distinguish from 

 some species of allied genera. The thallus bears a considerable resem- 

 blance, when fully developed, to Ephebe pubescens, but is rather smaller, 



