APPENDIX. 227 



— On Epilobium montanum, &c. June and July. Uredo spores of 



Puccinia Epilobii. 



Trichobasis Primulse, C. Primrose Rust ; spots yel- 

 lowish ; sori subrotund and oval, aggregate, on the under surface ; 

 epidermis at length bursting; spores ovoid, brown. — On leaves 

 of Primroses. 



Trichobasis Iridis, C. Iris Rust; spots yellow; sori 

 small, pale red-brown, oblong and linear, scattered or aggregated, 

 scarcely convex ; epidermis bullate, rarely bursting longitudinally ; 

 spores globose or broadly elliptic, pale brown, pellucid. — On 

 leaves of Iris fcetidissima. Uredo spores of Puccinia truncata. 



CHYTRIDIEI. 

 Protomyces, Unj 



»g. 



Entophytal ; spores simple, aggregated, always immersed ; 

 epispore firm, diaphanous; endochrome granular, coloured ; 

 immersed in the matrix. 



Protomyces Sagittariae, Fckl. Clusters minute, somewhat 

 pustulate, numerous, seated on a brownish spot beneath the 

 cuticle ; spores large, globose, rather angular ; epispore thick, 

 yellow. — On leaves of Sagittaria sagittdpfolia. 



Protomyces macrosporus, Ung. Forming confluent 

 bullate patches, consisting of the subglobose spores, with a thick 

 epispore, yellowish brown. — On leaves and petioles of JEgopodium 

 Podagraria. 



Protomyces Ari, Cooke. Spores aggregated in elongated 

 patches, immersed in the substance of the leaves and petioles, 

 always covered, globose, simple, brown ; endochrome granular ; 

 epispore smooth. — On leaves and petioles of Arum maculatum. 



Protomyces Chrysosplenii, B. and Br. Spots white, 

 rather thick ; spores globose, hyaline, pedicellate.— On leaves of 

 Chrysosplenium oppositofolium. 



Protomyces Pergussoni, B. and Br. Spots or points brown, 



Q 2 



