Paccinia,] FUNGI. 365 



13. P. Campdnulce, Cdvm. (Bell-Jioiver Puccinia) ; hypoge- 

 nous, sori large irregular buUate crowded, for a long time 

 covered with the epidermis and at length surrounded by it, 

 sporidia oblong-ovate or slightly constricted, peduncle very 

 short. Carm. MSS. 



On Campanulce. Appin. Captain CannicJiael.-~^'^o\.s, apparently 

 none. 



14. P. clandestina, Carm. (^minute Puccinici) ; spots yellowish, 

 sori extremely minute distinct but collected together npon the 

 spots in great numbers, dark brown, epidermis evanescent, spo- 

 ridia oblong very slightly constricted with a distinct peduncle. 

 Carm. 3ISS. 



On Scahiosa succisa. Appin. Captain Carmichael. — This may 

 possibly be the same with P. succiscB, Kunze, but according to the de- 

 scription it should seem to be distinct. 



15. P. Compositdrum, Schlecht. (Compositce Puccinia) ; spots 

 obliterated or white, sori subrotund small subconvex generally 

 hypogenous surrounded by the epidermis, sporidia brown, pe- 

 duncles short. Lk. Sp. 2. p. 75. Jo/mst. PL Beriv. 2.j). 196. 

 — p. CentaurecB, Grev. PL Ed. p. 430. 



On CcntaurecB, &c. Not uncommon. — Sporidia oval, scarcely con- 

 stricted, the lower cell not attenuated. , 



16. P. Syngeiiesidrwn, Lk, (^SijngenesicB Puccinia) ; spots 

 obliterated, sori minute covered with the bullate epidermis, 

 then nearly plane, forming a large compound subrotund patch, 

 sporidia brown, peduncles very short. Lk. Sp. 2. p. 74. Johnst. 

 PL Berw. 2. p. 97. 



On Thistles. Dr. Johnston I have not seen specimens of the 



plant on thistles. That on Goats' Beard, referred to this species, is 

 surely not the true plant. 



17. P. glomerdta, Grev. (^conglomerate Puccinia) ; spots pale 

 hypogenous, sori orbicular depressed broad dark fuscous com- 

 pounded of many smaller ones confluent at the centre, sporidia 

 oblong, the lower cell somewhat attenuated. 



On Scnecio JacohcBa. Coast of Fife. Dr. Greville. Bungay. 

 Mr. Stock. — There are scarcely two sporidia alike in the same heap. 



18. P. variabilis, Grev. (variable Puccinia) ; amphigonous, 

 sori minute nearly black orbicular bordered by the ruptured 

 epidermis, sporidia variable very obtuse round, cells often sub- 

 divided, stem very short. Grev. Sc. Cnjpt. PL t. 75. PL 

 Ed. p. 431. Johnst. PL Dcriv. '2. p. lOG. 



On Li'ontodon Taraxactitn. Abont ICdinburgh, Dr. Gririllr. 

 Berw., Dr. Johnston. The species is not uncommon in Scotland.— It 

 agrees in character with Link's genus Triphrafjmium. 



19. P. ValdntifT, Pcrs. (Cross-wort Puccinia); spots obli- 

 terated, sori small subrotund convex scattered or crowded, 

 sporidia cong]<d)ated pale-brown, peduncles short. Ptrs. Si/n. 



