542 ^CIDIACEI. 



Seem. Journ. ii. ;?. 37. Coohe M.F. p. 102. Fckl. exs.no. 1542. 

 Berk. exs. no. 340. 



On Bladder Campion ( Silene injlata.) Rare. 



Some of the peridia are short and open, others larger and closed. 



1623. JEcidium orobi. B.C. " Bitter-vetch Cluster Cups." 

 Spermogones. 



Protospores. — Spots yellow, effused ; peridia scattered, and 

 disposed in small heaps; spores orange, at length white. — D.C. 

 Fl. Fr. vi. 2-). 95. Eng. Fl. v. p. 374. Seem. Journ. ii. p. 38. 

 Cooke M.F. p. 192. Fckl. exs. no. 267. 



On stems and leaves of Orohus tuherosus. May. 



p. Sub-immersse. 



1624. iEcidium compositarum. Mart. "Composite Cluster 



Cups." 



Spermogones ? 



Protospores. Sjoots purplish, subrotund, confluent above ; 

 peridia crowded, in orbicular patches, or circinating, on the under 

 surface; spores orange, oval. — Mart. Erl.p. 314. Berk. exs. no. 

 322. Eng. Fl. v. p. 370. Seem. Journ. ii. p. 38. Cooke M. F.p. 

 192. 



On various Composites. [United States.] 



var. a. Taraxaci. Grev. Clusters small, scattered. — JE. 

 Taraxaci. Grev. Fl. Ed. p. 4,4:4:. 



On leaves of the dandelion. June to July. 



var. h. Prenanthis. Pers. Spots circular or irregular, pur- 

 plish ; subiculum incrassated. — yS. prenanthis. Pers. Syn.p. 208. 



On leaves of Hawkweed ( Hieracium paludosum). Summer. 



var. c. Tussilaginis. Pers. Clusters round, on a thickened 

 base ; peridia circinating. — jE. Tussilaginis. Fers. Syn. 209. 

 Sow. t. 397,/. 1. Moug. exs. no. 88. Cooke exs. no. 12. Fckl. exs. 

 no. 270. Cooke L.F. no. 58. 



On the under surface of leaves of Coltsfoot and Butterbur. 

 Common. Autumn. 



var. d. Jacobses. Grev. Pustular, soon becoming agglo- 

 merated, numerous, depressed; peridia splitting into short, 

 brittle, yellowish-white teeth. — jE. Jacoba^ce. Grev. 



