2 68 BritisJi U recti iiecE and Ustilaginec?. 



On Phillyrea media. 



Biology. — This is a doubtful ^cidium, being little more than a 

 condition of Cceoma phillyrece, as far as I have observed it. 



iEcidium glaucis. Dozy and Molk. 



Pseudoperidia irregularly scattered, sometimes circinating, in 

 various-sized groups, shortly cylindrical or flattisb, with white 

 torn edges. Spores polygonal, finely granular, colourless, 

 16-25 X 15-20/X. 



Synofiym. 

 y^cidium glands. Dozy, and Molk., Tijdschr. v. Natur. Ges., 

 vol. xii. p. 16. Cooke, " Grevillea," vol. xv. p. 29. Winter, 

 loc. at, p. 262. 



On Gla2tx marithna. 



.fficidium poterii. Cooke. 



Pseudoperidia hypogenous in subrotund or elongate clusters on 

 the leaves, also upon the petioles, scattered or circinate, 

 immersed, edges torn into minute fugacious teeth. Spores 

 yellowish, oval. 



Synonym, 

 -^cidiitin poterii. Cooke, Seem. Jour. Bot., vol. ii. p. 39, t. xiv. 

 fig. 3 ; " Hdbk.," p. 540 ; " Micro. Fungi.," 4th edit., p. 198. 



On Poteriiim sanguisorba. 



May and June. 



Probably this is the species referred to by Mr. Berkeley in 

 the " Eng. Flor.," vol. v. p. 373, as having been found by Dr. 

 Greville. 



** Mycelium perennial, diffused in the host-plant. 



iEcidium punctatum. Pers. 



Pseudoperidia uniformly scattered over the whole of the foliage, 

 hypophyllous, flat, semi-immersed, with torn yellowish edges. 

 Spores subglobose, pale yellowish-brown, 15-24/x in diameter. 

 Spermogonia scattered, blackish, punctiform. 



