ILLOSPOBIUM — AEGERITA. 469 



ovoid, curved, rosy-hyaliiie, aggregated by mucus into small 

 groups. 



Ulosporium carneum, Fries, Syst. Myc, iii. p. 259 ; Sacc, 

 Syll., iv. n. 3103. 



On lichens, especially belonging to the genus Peltigera. 



Illosporium Curreyi. Berk. 



Sporodochia subglobose orpulvinate, scattered or gregarious, 

 formed of interwoven, branched hyphae that are constricted 

 at the septa ; conidia bright yellow, globose. 



Arthroderma Curreyi, Berk., Outl., p. 357. 



Illosporium. Curreyi, Sacc, Syll., iv. n. 3116. 



On dead twigs and leaves. 



AEGEEITA. Pers. (fig. 5, p. 442.) 



Sporodochium subglobose, sessile, delicate, somewhat mealy, 

 superficial, growing on wood ; conidiophores white or pallid, 

 short, rather thick, simple, or slightly branched, sometimes 

 obsolete ; conidia globose or ovoid, rather large, more or less 

 terminal, solitary; 



Aegerita, Pers., Disp. Fung., p. 40 ; Sacc, Syll., iv. p. 661. 



Aegerita Candida. Pers. (fig. 5, p. 442.) 

 Crowded, granular, subglobose; minute, pure white when 

 growing, yellowish when dry, even, glabrous, minutely 

 mealy from the numerous conidia ; sporophores short, fascicu- 

 late, rather thick, cylindrical, wavy ; conidia elliptical, base 

 sometimes apiculate, 12-15 X 7-8 ^a, usually terminal, hya- 

 Jine. 



Aegerita Candida, Persoon, Syn., p. 684 ; Sacc, Syll., iv. n. 

 3124. 



On wood and bark of elder in wet places. 



Aegerita virens. Carm. 



Scattered, granuliform, minute, hemispherical, olive ; coni- 

 diophores fasciculate at the base, radiating, rather thick, 

 flexuous, simple or diohotomous, often clavate at the tips; 

 conidia terminal, globose, pale olive, 15 /* diameter. 



Aegerita virens, Oarmichael in Herb. ; Grev., vol. xvi. p. 81. 



On birch bark. 



