370 FUNGI. [jEcidium. 



siibrotund, or aggregate immersed and suboval, sporidia orange. 

 Dec. Fl. Fr. v. 6. p. 95. — CcBoma menthatum, Lk. Sp. 2. p. 47, 



On Mints. Common. The stem when infected is much distorted. 

 — Sporidia elliptic, white when dry. 



7. jE. Tragopogonis, Pers. ( Goai s-heard JEcidium) ; spots 

 obliterated, pseudo-peridia scattered torn wider above, sporidia 

 orange at length black. Pers. Syn. p.^W, Soiv. t. ^97 .f. 2. 

 — Cceoma tragopogonatum, Lk. Sp. 2. p. 50. — u^. Tragopogi, 

 Moug. 4' Nest. ! n. 388. — ^. Cichoraceorwn, Johnst. Fl. JBerw. 

 2. p. 205. 



On the stems and under sides of the leaves of the common Goat's- 

 beard. Soicerhy. Berwick, Dr. Johnston. 



8. /F. compositdrum, Mart. (Composite ^cidimn) ; spots 

 purplish subrotund subconfluent above, pseudoperidia crowded 

 into orbicular patches or circinating hypogenous, sporidia orange. 

 Mart. Erl. p. 314. — jF. Taraxaci, Grev, Fl. Ed. p. 444. Johnst. 

 Fl. Berw. 2. p. 205. — JS. Prenanthis, Pers. Syn. p. 208. Grev. 

 I. c. p. 445. Johnst. L c. p. 206. — jF. Tussilaginis, Pers. Syn. 

 p. 209. Sow. t. 397. f. 1. 3Ioug. ^ Nest. ! n. 88. Grev. I. c. 

 Johnst. I. c. p. 207. — ^. Jacobcece, Grev. I. c. — ^. Senecionis, 

 Desm. ! n. 677. — ^. Lapsani^ Purt. MSS. — Cceoma composita- 

 tum, Lk. Sp. 2. p. 50. / 



On various Comjyositce. Common. — The colour of the spots and 

 sporidia, and the disposition of the pseudoperidia vary a little ; the 

 spo7'idia in all are oval. 



9. ^. Valerianacedrum, Dub. ( Valeria^i-trihe JEcidium) ; 

 hypogenous, rarely cauline, pseudoperidia scattered more or 

 less crowded cup-shaped tawny, margin erect denticulate, spori- 

 dia dirty-yellow. Dub. Syn. p. 908. Johnst. FL Derw, 2, 

 p. 206. 



On Valeriana officinalis. Berwick, Dr. Johnston. 



10. jF, Periclymeni, Dec. (^Honeysuckle JEcidium) ; spots 

 variegated with yellow and brown, subiculum rather thick, 

 pseudoperidia disposed in subrotund or effused hypogenous 

 heaps, sporidia orange. Dec. Fl. Fr. 2. p. 597. Grev. Fl. Ed. 

 p. 445. — CcBoma periclymenatum, Lk. Sp. 2. p. 52. 



On woodbine. Rosslyn, Dr. Greville. Appin, Captain Carmichaeh 

 Hamilton, Klotzsch in Hook. Herb. Oxford, Baxter Peridia some- 

 times very much elongated. 



11. jF. Bunii, Dec. (^Pig-nut JEcidium) ; spots obliterated, 

 subiculum incrassated, pseudoperidia disposed in irregular sub- 

 rotund or oval heaps, sporidia orange. Dec. Fl. Fr. 6. p. 96. 

 Grev. Fl. Ed. p. 445.—^. Buniatum, Lk. Sp. 2. p. 53. 



On Bunium Bulbocastanum and Pimpinella Saxifraga. Balniuto, 

 Dr. Greville. Oxford, Baxter, 



12. jF. Eanunculacedj'um) Dec. (Crowfoot yFcidium) ; spots 



