BJEOMYCES.] 



BJEOMTCETEI. 



109 



the general habit, looking towards the Cladonias, must determine its 

 place. The differences in the thallus and apothecia in some species are 

 not sufficient to separate them generically, though they place them in 

 different sections of the same genus. 



A. EUB^EOMYCES Cromb. Grevillea, xv. p. 15. Apothecia 

 stipitate, solid or subarachnoid within, veiled or naked, immarginate. 



Fig. 30. 



B(somi/ces roseus Pers. a. Vertical section of an apothecium (in dry state), 

 X 30. b. Theca and paraphysis, X 350. c. Spores, X 500. d. Section of 

 a spermogone, X 30. e. Arthrosterigmata and sperniatia, X 500. 



a. Apothecia solid within, naked. 



1. B. rnfns DC. Fl. Fr. ii. (1805) p. 342. Thallus effuse, thin- 

 nish, leproso-granulose, greenish-white or glaucescent, the granules 

 sometimes depressed (K+ yellow). Apothecia small or moderate, 

 plane or convex, reddish- or brownish-flesh-coloured (K ); stipes 

 moderate or short, subcompressed, whitish ; spores 6-8nae, oblongo- 

 ellipsoid, simple, 0,006-12 mm. long, 0,003-4 mm. thick ; para- 

 physes often slightly branched ; hymenial gelatine not tinged with 

 iodine. Gray, Nat. Arr. i. p. 413 ; Hook. Fl. Scot. ii. p. 65 ; Sin. 

 Eng. Fl. v. p. 137 ; Cromb. Lich. Brit. p. 16 : Leight. Lich. FL 

 p. 52, ed. 3, p. 50. Lichen mifus Huds. Fl. Angl. (1762) p. 443; 

 With. Arr. ed. 3, iv. p. 14. Bceomyces rupestris Pers., Tayl. in Mack. 

 Fl. Hib. ii. p. 78. Bceomyces lignorum Pers. Gray, Nat. Arr. i. 

 p. 413, pro parte. Lichen lyssoides, Linn. Mant. (1767) p. 133: 

 Lightf. Fl. Scot. ii. p. 808 ; Huds. Fl. Angl. ed. 2, p. 527 ; Eng. Bot. 



