pucci:N"iiEi. 507 



1509. Puccinia pulverulenta. Grev. " Great willow-herb 



Brand." 



Uredo-spoees. Sori scattered or subrotund ; spores sub- 

 globose, brown. — Trichohasis epilobii. Berk. Oatl.p. 333 [partly). 

 Cooke M.F. p. 210 (in fart). 



Brand-spores. Sori hypogenoiis, dark-brown, scattered or 

 subconfluent, open, concentric ; sjDores minute, obovate, slightly 

 constricted, lower cell rather attenuated ; peduncle not very 

 shoYi.— Grev. Fl. Ed. p. 432. Eng. Fl. v. /;. 368. Cooke M.F. t. 4, 

 /. 78-79. Cooke exs.no. 49. Berk, exs.no. lOS. 



On leaves of Epilohium montanum and E. hirsutum. Aug. 

 Sept. Common. 



" Spores scarcely ' obtusely oval,' but obovate, slightly constricted, the 

 lower eeU attenuated slightly; stem not very short. Certainly nearly allied 

 to P. epilobii, but distinct in the form of the spores." — JEng. Fl. 



1510. Puccinia ciirceae. Pers. " Night-shade Brand." 



Uredo-spores. Sori minute, crowded, subrotund, slightly 

 confluent on the under surface; spores irregular, ovate, small, 

 ochraceous. — Uredo circcece, A. ^ S. Cooke M.F. 1. 1 ,f. 135, 136. 

 Cooke exs. no. 62. Berk. exs. no. 342. Cooke L.F. no. 31. 



Brand-spores. Spots obliterated ; sori minute, semi-globose, 

 crowded into subrotund patches, occasionally confluent, generally 

 covered with the epidermis ; spores brown, oblong, often acute, 

 sometimes obtuse; peduncles long, thick. — Pers. Syn.p.22S. 

 Eng. Fl. \.p. 368. Cooke M.F. p. 200. Cooke exs. no. 50. Moug. 

 exs. no. 192. Desm.exs.no. 615. Corda.iY.f.34:. Fckl. exs.no. 

 328-1548. Berk. exs. no. 319. Kl.exs. ?io.464.ii. 357. 



On the leaves of Circcea lutetiana 4' C. aljnna. Autumn. 



[]\Iaine, U.S.] 



1511. Puccinia prunoaruxn. Linh. " Plum-tree Brand." 



Uredo-spores. Seated on definite yellowish spots ; sori on 

 the under surface scattered or in clusters, very minute, roundish, 

 or oblong ; spores at length rusty-brown, subglobose. — Tricho- 

 hasis rhamni, Cooke Seem. Journ.\i.p.d44z. Cooke M. F.jj. 210. 

 Trichohasis pruni-spinosce, Lev. Ann. Sc. Nat. 



Brand-spores. Spots obliterated ; sori hypogenous, subro- 

 tund, scattered ; epidermis obliterated ; spores brown, peduncles 



