uEcidium.] FUNGI. 369 



Lk. Sp. 2. p. 82,— P. globosa, Grev. Sc. Cr. Fl, t. 29. FL 

 Ed. p. 434. 



On the common Bean. Not uncommon. — Sporidia ovato-globose, 

 peduncle slender. P. Fabce, Johnst., includes Uredo appendiculosa, 



38. P. Buxi, Dec. (^Box Piicchiid) ; spots none, sori sub- 

 rotund convex scattered ampliigenous, sporidia brown, pedun- 

 cles long. Dec. FL Fr. 6. p. 60. Lk. Sp. 2. p. 83. Sow. t. 439. 

 Moug. S)^ Nest. ! n. 676. 



On Box. Not uncommon. — Sporidia oblong, rather strongly con- 

 stricted, lower cell in general slightly attenuated, peduncle very long. 



153. ^ciDiUM. Pers. ^cidiura. 



Sporidia free, contained in a cellular membranous sac (pseu- 

 doperidiuyn) distinct from the epidermis and at length bursting 

 at the apex. — Name, ar/.)ov, a tvheel. 



1. JE. Alia, Grev. (^Garlic ^cidium) ; spots rather pale, 

 pseudoperidia circinating not contiguous, sporidia yellowish. 

 Grev. ! Fl. Ed. p. 447. — jE. Allii ursi?ii, Pers. Syn. p. 210. — 

 Cceoma alliatum, Lk. Sp. 2. p. 42. 



On Allium ursinum. Rosslyn woods, Dr. Greville. 



2. JE. Ari, Berk. ( Wake-robin ^cidium) ; spots round con- 

 fluent, pseudoperidia 'circinating not crowded, those in the 

 centre generally abortive. 



On Ariun maculutum. Bungay, Mr. Stock. 



■ 3. JE. ruhellum^ Pers. { Dock uEcidiiim) ; spots purple, pseu- 

 doperidia circinating, centre free, sporidia yellowish-white. Pers. 

 in Gmel Linn. 2. p. 1473. Grev. Fl. Ed. p. 447.—^. Rumicis, 

 Pers. Syn. p. 207. 3Ioug. S> Nest. n. 286. Soiv. t. 405. Purt. 

 V. 3. n. 1540. t. 26. — Cceoma ruhellatum, Lk. Sp. p. 44. 

 On leaves of various Rutniccs. Common. 



4. jE. Primula;, Dec. {Primrose yEcidium) ; spots obliterated, 

 pseudoperidia solitary scattered and crowded hypogenous, spori- 

 dia whitish-yellow. Dec. Fl. Fr. 6. p. 90. — CcBoma primulatum^ 

 Lk. Sp. 2. p. 46. 



On leaves of primroses. Appin, CapUtin Carmichad. Communi- 

 cated also to Dr. Hooker by Mr. W. Wilson. 



5. jE. Soldanelhr, Hornsc. (Soldanella yEcidium) ; spots 

 obliterated, pseudoperidia solitary regularly scattered over the 

 whole inferior surface, sporidia orange. Moug ! as. — Ciconia 

 soldancllatum, Lk. Sp. 2. p. 46. 



On Sold'inrlla alpina. Botanic Garden, Glasgow. Ilook. Ilcrb. — 

 The specimens were referred by Kiotzsch to UredOf but there is cer- 

 tainly a pseudopcridiuni. 



6. ^. Minthce, Dec. (Mint ^Ecidium) ; spots obliterated, 

 subiculum incrassatcd, pseudoperidia scattered at length emerscd 



