Urcdo'^ rUNGI. 371? 



On the radical leaves of Campanula rotiuuUfolia. Appin, Captain 

 Carmichael. — Sporidia distinctly ovoid. 



26. U. comprdnsor, Schlecht. (associated Uredo) ; spots yel- 

 low-brown, sori obliterated subrotund scattered and aggregate 

 sometimes confluent generally liypogenous surrounded by the 

 ruptured epidermis, sporidia subglobose tawny at first adhering 

 together. — U. Sonchi, Pets. Sijn. p. 217. Purt. 3. 7i. 1347. 

 Grev. Fl. Ed. p. 441. Johnst. Fl. Berw. 2. p. 198.— ?7. Tmsi- 

 laginis, Pers. Si/n. p. 218. 3Ioiig. 8^' Nest. ! 7i. 390. Grev.f 

 Fl. Ed. p.4S7. Johnst. I c. — U. Petasites, Grev. Fl. Ed. /?. 44 1 . 

 Johnst. I. c. — CcBoma compransor, Lk. Sp. 2. p. 17. Kl. ! n. 83. 



On Sowthistles, Colts-foot, Cacalia suavcolens, &c. Common. 



27. U. simveolefis, Pers. (siveet-sce?ited Uredo) ; spots obli- 

 terated yellow on the opposite side, sori subrotund nearly plane 

 scattered at length confluent hypogenous surrounded by the 

 ruptured epidermis, sporidia globose brown. Pers. Syn. p. 221. 

 Moug. 4' Nest. n. 189. Purt. ! 3. n. 1548. Grev. FL Ed. p. 434. 

 —jEc, Cardui, Sow. t. 398./. 3. 



On Cnicus arvensis. Very common. — Flies, according to Sowerby, 

 often gorge themselves with this plant, which has occasionally a strong 

 odour, and are killed. It frequently covers the whole under-surface of 

 the leaves. 



28. U. Se7ieci6nis, Schlecht. {Grounsel Uredo); spots obli- 

 terated, sori solitary or regularly crowded subrotund and oval 

 hypogenous surrounded by the ruptured epidermis, sporidia 

 subglobose orange. Grev. Fl. Ed. p. 438. Johnst. FL Berw. 

 2. p. 198. Desm. ! n. 673. — Cceoma Senecionis, Lk. Sp. 2. p. 20. 



On various species of Grounsel. Very common. — Dr. Johnston's 

 U. Gnap/ialii, of which I have seen only very imperfect specimens, is 

 scarcely described enough at length to enable me to judge whether it be 

 new or not. 



29. U. fioscidorum, Dec. {Floret Uredo) ; produced within 

 the florets, sporidia minute purplish-brown. Dec. Fl. Fr. 6. 

 p. 79. Grev. FL Ed. p. 443. Johnst. FL Berw. 2. p. 204 — 



CcEoma fiosculoriim, Lk. Sp. 2. p. '2\.— Ustilago flosculonim, 

 Fr. Syst.Myc. v. 3. p. 518 Farinaria Scahioscc, Sow. t. 396. 



^■^- 



On Scalnosa arvensis. Not common. 



30. U. Pctroselini, Dec. (i/ellow Umbcllifirfc Uredo) ; spots 

 yellowish, sori subrotund and oval confluent amphigenous, epi- 

 dermis at length ruptured, sporidia pale yellow. J)ec. FL Fr. 

 2. p. 597.— /'/. acidiiformis, Grev. FL Ed. p. Ul.— Ccronia 

 Pctrosclini, Lk. Sp. 2. p. 23. 



On various Fmhtl/ifrrff. On Hrrarleuni fipfumdi/lium and Cfittro- 

 ),h,,llum si/lvestre. Kdmhurgh, Dr. (irnuUc. OnSmi/niiumOlusatnon, 

 Mr. Stock. On Scandu- odorata. Oxford, liaxln—Spondui glolK)sc 

 or subglobose, occasionally obsolctely pedicellate. 



