200 CRYPTOGAMIA FUNGI. 



Hab. On the under side of the leaves of Vaccinium Myr- 

 tillus. 



16. U. Campanula, spots yellowish-orange, round, depressed, 

 scattered, rarely confluent, surrounded by the remains of the 

 ruptured epidermis; capsules spherical GREV. Fl. Edin. 440. 



Hab. On the leaves of Campanula rotundifolia, not common. 



17. U. rhinanthacearum, spots small, oblong, orange-yellow, 

 scattered or confluent ; capsules spherical GREV. FL Edin. 439. 



Hab. On the leaves and calyces of the eye-bright, red 

 bartsia, and yellow rattle, very common. 



1 8. U. populina, orange-yellow, thickly scattered, bursting the 

 epidermis in roundish spots ; capsules cylindrical, long, obtuse at 

 each end GREV. Fl. Edin. 442. U. longicapsula, Sot. Gall. 

 ii. 895. 



On the under side of the leaves of the balsam poplar in 

 autumn, abundant. 



19. U. vitellina, spots scattered over the lower surface, small, 

 yellow, distinct ; capsules very minute, globular, transparent. 

 GREV. Fl. Edin. 437- 



Hab. On the leaves of the common osier in autumn. 



20. U. farinosa, ochrey-yellow, oval or roundish, soon becoming 

 confluent so as to cover the leaf entirely or in patches, very pul- 

 verulent ; capsules oval, pellucid GREV. Fl. Edin. 437. PURT. 

 Mid. Fl. iii. 298. 



Hab, On the leaves of sallows ( Salix caprea et aurita), 

 confined to the lower surface ; and on the fertile catkins 

 of Salix prostrata. 



21. U. Gnaphalii, spots scattered, irregular, minute, pale yel- 

 low ; capsules minute, globular, pellucid. 



Hab. On the under surface of the leaves of Gnaphalium 

 germanicum, almost concealed by the woolliness of the 

 part. 



* * * Colour brown. 



22. U. Epilobii, spots small, widely scattered, dark brown, sur- 



