APPENDIX. 195 



^cidium Epilobii, DC. Willow-herb Cluster-Cups ; 

 ■spots obiiterated ; peridia scattered, at length oval, wider above ; 

 spores orange, at length brown. — On the under side of leaves of 

 Epilobium montanum, E. hirsutum and E. palustrCy rarely on the 

 upper. Common. June to August. Said to be a state of 

 Fuccinia Epilobii. 



^cidium Thesii, Desv. Bastard-Toadflax Cluster- 

 C!ups ; spots obliterated; peridia scattered or biseriate; short, 

 <;ylindrical, margin irregularly tootlied, erect ; spores yellowish, 

 then dingy. — On Thesium humiftistim. Downs near Winchester. 

 July, 1864 ^ Chipstead, Surrey, Oct. 14, 1864. (Plate 111. figs. 

 50, 51.) Said to be a state of Puccinia Thesii. 



-Slcidium depaiiperans, Vize. Scattered - Violet 

 Cluster-Cups ; spots none, peridia scattered, at first round, 

 becoming elonsated, parallel with the length of the stem ; spores 

 yellow. — On Viola cormita. 



.fficidium Soldanellae, Hornsch. Soldanella Cluster- 

 Cups ; spots obliterated ; peridia solitary, scattered over the 

 inferior surface ; spores orange. — On the under surface of the 

 leaves of Soldanella alpina. 



^cidium Tragopogonis, Pers. Goatsbeard Cluster- 

 Cups ; spots obliterated ; peridia scattered, torn, wider above ; 

 spores orange, at length black.— On stems, leaves, and involucres 

 of common Goatsbeard. Very common. May to June. Said to 

 he a state of Fuccinia Tragopogonis. (Plate 1. figs. 1-3.) 



.fficidium Euphorbise, Pers. Spurge Cluster-Cups ; 

 spots obliterated, leaf thickened ; peridia scattered or crowded, 

 ■distinct ; spores orange, — On the under surface of the leaves of 

 Spurge. Common. May to June. Said to be a condition of 

 TJromyces scutellata. 



Sect. II. Feridia in tufts or clusters. 



a. Elongate. 



.fficidium Berberidis, Pers, Berberry Cluster Cups; 

 spots roundish, bright red ; subiculum thickened ; peridia m 

 subrotund or oval patches, often elongated ; spores orange. — On 

 leaves, peduncles, and fruit of the common Berberry. Common. 

 May to July. Said to be a state of Fuccifiia graminis. (Plate I. 

 figs. 7-9.) 



-SJcidium Thalictri, Grev. Meadow-Rue Cluster-Cups; 

 collected in roundish clusters ; peridia oblong ; spores bright 

 orange. — On Thalictrum alpinum. Not uncommon in Scotland. 



o 2 



