382 FUNGI. 



Uredo. 



— Ui pinguis, Desm. ! n. 529 — U, aurea, Part. I. c. (in part), 



— Cceoma Rosce, var. 2. miniatum, Lk. Sp. 2. p. 30. 



On the leaves, petioles and seed-vessels of Roses. Extremely com- 

 mon. — This and the foregoing species are represented together. Sow. t. 

 398./. 8. 



44. U. Ruhorum, Dec. {Bramble Uredo) ; spots pale, brown 

 on the opposite side, sori subrotund aggregate, epidermis soon 

 bursting generally hypogenous, sporidia subglobose orange. 

 Dec, Fl. Fr. 2. p. 234. Moug. ^ Nest. ! n. 92. Grev. FL Ed. 

 p. 438. Johnst. Fl. Berio. 2. p. 199.— U.'Rubifrtiticosi, Pers. 

 Syn.p. 218. — Cceoma Ruhorum, Lk. Sp. 2. p. 30. — jEcidium 

 Rubi, Sow. t. 398./. 1. 



On Brambles. Very common. — Spots often impressed above, and 

 purple ; sporidia globose or subglobose, echinulate, bright ochraceous- 

 yellovv. 



4b. U. Potentilldriim, Dec. {Potentilla Uredo) ; spots yel- 

 lowish, sori subrotund and oval bullate aggregate often conflu- 

 ent, sporidia subglobose subcoherent orange. Dec. Fl. Fr. 6. 

 p. 81 — U. Potentillce, I. c. 2. p. 232. Grev. Fl. Ed. p. 438. 

 Johnst. Fl. Berw. 2. p. 199. — U. Fragarice, Sow.! t. 398. /. 2. 

 Purt. 3. 71. 1549.— £/. AlchemillcE, Pers. Syn. p. 215. Moug. 

 ^ Nest. ! n.9\. Grev. I. c. p. 439. Johnst. I. c.^U. Spirece, 

 Sow. t. 398./ 7 .— Cceoma Potentillarum, Lk. Sp. 2. p. 31. KL! 

 n.9l. 



On various Rosacea. Common. — Dr. Greville refers the plant on 

 Spircea Ulmaria, to U. effusa. 



46. U. intrusa, Grev. (brown Ladys-Mantle Uredo) ; hypo- 

 genous scattered or partially aggregate reddish-brown rounded 

 somewhat prominent minute very unequal, sporidia roundish or 

 oval rarely pedicellate. Grev. Fl. Ed. p. 436. Duh. Syn. p. 

 898. Johnst. Fl. Berw. 2. p. 201. 



On Alchemilla vulgaris, with the last. Auchindenny woods, Dr. 

 Greville. Berwick, Dr. Johnston. 



47. U. apiculosa, Lk. (apiculate Uredo) ; spots yellow and 

 brown, sori subrotund scattered surrounded by the ruptured 

 epidermis generally amphigenous, sporidia ovoid brown fur- 

 nished with a short peduncle. — U. bifrons, Grev. ! Fl. Ed. p. 

 435. — U. Rumicum, Dec. Fl. Fr. 6. p. 66. Purt. Grev. I. c. p. 

 436. Johnst. Fl. Berw. 2. p. 201. — U. Rumicis, Purt. 3. n. 

 1544. — U. dehor acearum, Dec. I. c. 2. p. 229. Grev. I. c. p. 

 435. Johnst. I. c. — Cceoma apicidosum, Lk. Sp. 2. p. 32. 



On various plants. Very common. 



48. U. bifrons, Grev. (two-faced Uredo); amphigenous often 

 opposite scattered round light-brown girt with the remains of 



