Uredo.] FUNGI. 377 



linear scattered or aggregate scarcely 'convex, often circum- 

 scribed, epidermis bullate very rarely bursting longitudinally, 

 sporidia exactly globose pale-brown pellucid. Dub. Si/n. p. 898. 

 On Iris fcetidissima. Bath Hills, Ditciiingham, Mr. Stock. Isle of 

 Wight, Rev. 31. J. Berkeley. — Duby's description is excellent ; I find 

 however the sporidia broadly elliptic, as well as globose. In an early 

 stage of growth, they have an orange cast, but in the perfectly developed 

 plant, they are decidedly brown. It is one of the most beautiful species 

 of the genus. 



14. U. Polygonorum, Dec. (^Polygonum Uredo) ; spots red- 

 yellow widely effused, sori subrotund scattered sometimes form- 

 ing a ring, epidermis at length bursting, sporidia ovoid brown. 

 Dec, Fl. Ft. 6. p. 7 1. Grev, Sc. O. Fl. t. 80. Fl Ed. p. 434. 

 Johnst. Fl. Berw. 2./?. 201. 



On various species of Polygonum. Common, often accompanied by 

 Puccinia Polygonorum — Sporidia somewhat obovate. 



15. U. utriculosum, Nees, {Utricle Uredo) ; sori produced in 

 the germen and perigonium, epidermis soon ruptured, sporidia 

 effuse minute globose black. Nees, Syst.f. 6. — CcBoma utriculo- 

 sum, Lk. Sp. '2. p. 10. 



On Polygonum Hydj-opiper, &c. Appin, Captain Carmichael. — 

 Sporidia purple-black. 



16. U. BetfE, Pers. (Beet Uredo) ; spots yellow, lieaps sub- 

 rotund and oval scattered and concentric epigenous, epidermis 

 at length bursting, sporidia subglobose brown. Pers. Syn. 

 p. 220. — Cccoma Betarum, Lk. Sp. p. \\. 



On Beet Root. King's Cliffe, Norths., Rev. M. J. Berkeley.— \x\ 

 very red varieties of Beet the sporidia are bright rubiginous. Sporidia 

 subglobose, shortly pedicellate. Sowerby's Uredo Chenopodii appears 

 to me a mere discoloured spot. 



17. U. ArmericB, Dub. (Thrift Uredo) ; spots obliterated, sori 

 irregular scattered, epidermis bullate closed, sporidia globose 

 rufous. Dub. Syn. p. 899. — Cccoma Armericc, Lk. Sp. 2. p. 11. 



On various species of Armeria. Botanic Garden, Glasgow, Pro- 

 fessor Hooker. — ^^lost of the sori are closed, but some arc ruptured. 

 Sporidia truly globose. 



18. U. Primula, Dec. (Primrose Uredo); spots yellowish, 

 sori subrotund and oval aggregate hypogenous, epidermis at 

 length bursting, sporidia ovoid brown. /)cc. Fl. Fr. 2. p. G8. 

 Grev. Fl. Kd. p. 435 Cceoma primularutn, Lk. Sp. 2. p. 12. 



On Primula vulgaris. About Edinburgh, J)r. Grcvillc. Appin, 

 Captain Carmichael. 



19. U. Rhinantkacedrum, Dec. (Yellow-rattle tribe U/cdo) ; 

 spots noneor subferruginous, sori irregular coiitluent hypogenous 

 rarely aniphigenous, sporidia subglobose compact goldt'ii-yellow. 

 /),c. Fl. Fr. Ck p. 80. Grer. Fl. Fd. p. 439. Johnst. Fl'. Bene. 

 2. p. 200. — C(Coma Rhinanthaccarum, Lk. Sj>. 2. />. 13. 



