468 FUNGUS-FLORA. 



ILLOSPOEIUM. Mart. (fig. 26, p. 442.) 



Sporodochium wart-like, pulvinate, or somewhat effused, 

 white or bright-coloured, subgelatinous and waxy, sometimes 

 cracking ; conidia variable, globose or sigmoid, agglomerated 

 in irregular clusters by mucus ; conidiophores variable. 



Illosporium, Martins, Fl. Or. Erlang., p. 325 ; Sacc., Syll., 

 iv. p. 656. 



Differs from Tubercularia in the conidia being held together 

 in irregular masses by mucus. Often forming rosy stains on 

 lichens. 



Illosporium roseum. Mart. (fig. 26, p. 442.) 

 Erumpent, free, gregarious and forming irregular masses, 

 soft, subgelatinous, deep rose-colour, readily becoming pow- 

 dery and friable ; conidia ovoid, unequal, involved in mucus ; 

 conidiophores branched and contorted. 



Illosporium roseum, Mart., FJ. ErL, p. 325 ; Sacc., Syll., iv. 

 n. 3100. 



Growing on the thallus of various species of lichens, 

 Physcia, Parmelia, &c. 



Illosporium coccineum. Fries. 



Sporodochia minute, crowded, globose, scattered every- 

 where, scarlet, at length breaking up into similarly coloured 

 conidia, which are subglobose and held by mucus in small 

 groups. 



Illosporium coccineum, Fries, Syst. Myc., iii. p. 259"; Sacc., 

 Syll., rV. n. 3101. 



On the thallus of various lichens. 



Illosporium corallinum. Eob. 



Gregarious, minute, rosy, globose, ovoid or cylindrical, 

 more or less branched and coral-like ; conidia variable in 

 shape, somewhat hyaline, agglutinated in groups. 



Illosporium corallinum, Eob., in Desro., Ann. Sci. Nat., 1848, 

 x. p. 342 ; Sacc., Syll., iv. n. 3102. 



On various species of frondose lichens. 



Illosporium carneum. Fries. 

 Gregarious, globose, free, soft, powdery, flesh-red ; conidia 



