KEITHIA 



287 



germinate as freely as the coloured ones, and in less time, 

 probably due to the thinner spore-wall. 



According to Fuckel ('Symb. Myc.', p. 286) Tromella 

 foliacea ( = Ulocolla foliacea, Brefeld) is a conidial form of 

 Bulgaria. This statement, however, has not been corro- 

 borated, and should be attended to by those having an 



FIG. 83. Bulgaria prlymorpha. i, fungus on 

 trunk ; 2, section of same ; 3, spores ; 4, asci with 

 spores. 3 and 4 highly mag. 



opportunity for so doing. Tulasne has also recorded the 

 occurrence of conidial forms of fruit, and so has Brefeld. 



Biffen, R. H., Ann. Hot., 15, p. 119 (1901). 

 Brefeld, O,, Heft. TO, p. 301. 



Ludwig, Centralbl. fur Bakt., 2, p. 521, 3, p. 633. 

 Tulasne, Ann. Sri. Nat., Ser. 3, 20, p. 164(1853); Carpol., 

 3, p. 192 (1863). 



KEITHIA (SACC.) 



'Ascophore immersed in the substance of the host, splitting 

 above by a few irregular teeth ; asci containing four spores, 

 which are brown and divided by a septum into two cells of 

 very unequal size. 



