ticotheoium] exoltjded species 343 



Parasitic Species formerly included among lichens of the two 

 previous Natural Orders but now classified as fungi. (See Trans. 

 Brit. Mycol. Soc. iii. pp. 174-178 (1910).) 



Species with brown 2-eelled spores, parasitic on other lichens, 

 belong to Ticothecium, now regarded as a genus of Pyrenomyo&tes. 

 These are : — 



Ticothecium gemmiferum Koerb. Parerg. p. 468 (1865); 

 Mass. in Grevillea xvii. p. 4. — Verrucaria gemmifera Tayl. in 

 Mackay PI. Hib. ii. p. 95 (1836) ; Leight. Angioc. Lich. p. 47, 

 t. 20, fig. 3 & Lich. PL p. 464 ; ed. 3, 495.' V. rugulosa Borr. 

 ex Leight. Angioc. Lich. p. 47, t. 21, fig. 1 & Lich. PI. p. 440 ; 

 ed. 3, p. 470 ? V. Larhalestierii Leight. in Trans. Linn. Soc. 

 ser. 2, i. p. 242, t. 33, figs. 15-17 (1878) & Lich. Fl. ed. 3, 

 p. 471 (spore measurements too large). Endococcus gemmiferus 

 Nyl. in Maine et Loire Mem. Soc. Acad. iv. p. 64 (1858) ; 

 Cromb. Lich. Brit. p. 122. E. rugulosus Nyl. in Act. Soc. Linn. 

 Bord. ser. 3, i. p. 439 (1856) ; Oromb. I. e. Microthelia rugulosa 

 Mudd Man. p. 306 (1861). M. gemmifera Mudd tom. cit. p. 307. 



T. oalcaricolum Arn. in Verb. Zool.-Bot. Ges. xxiii. p. 521 

 (1873) ; Mass. in Grevillea I. c. — Microthelia calcaricola Mudd Man. 

 tom. cit. p. 306, t. 5, fig. 128 (1861). Endococcus caleareus Nyl. 

 ex Cromb. I. c. Verrucaria calcaricola Leight. Lich. PL p. 464 ; 

 ed. 3, p. 495. 



T. perpusillum Arn. in Flora Ivii. p. 27 (1874) ; Mass. in 

 Grevillea I. c. — Endococcus perpusillus Nyl. in Act. Soc. Linn. 

 Bord. s6r. 3, i. p. 439 (1856); Cromb. Lich. Brit. p. 123. 

 Verrucaria perpusilla Leight. Lich. Fl. p. 464; ed. 3, p. 496. 



T. pygmseum Koerb. in Denkschr. Schles. Ges. Vaterl. 



Kultur. p. 236, t. 6, fig. 12 (1853) ; Mass. in Grevillea tom. cit. 



p. 5. — Microthelia pygmsea Koerb. Syst. Lich. Germ. p. 374 

 (1855) ; Mudd Man. p. 307. 



Var. ventosicola Wint. in Rabenhorst's Krypt. PL i. 2, 

 p. 349 {I?,?,!).— Microthelia ventosicola Mudd Man. p. 307 (1861). 

 Svhaeria ventosaria Lindsay in Trans. Roy. Soc. Edin. xxiv. 

 p. 439 (1866). Endococcus ventosus Nyl. ex Cromb. Lich. Brit, 

 p. 123 (1870). Verrucaria ventosicola Leight. Lich. Fl. p. 463; 

 ed. 3, p. 495. 



T. squamarioides Wint. in Hedw. xxv. p. 17 (1886); Mass. 

 in Grevillea I. c. — Sphseria squamarioides Mudd Man. p. 130 

 (1861). 



T. erraticum Massal. Symm. Lich. p. 94 (1855). — Endococcus 

 erraticus Nyl. in Maine et Loire M6m. Soc. Acad. iv. p. 64 

 (1858); Cromb. Lich. Brit. p. 122. Verrucaria erratica lieight. 

 Lich. Fl. p. 465 ; ed. 3, p. 496. 



