526 CiEOMACEI. 



1569. Uredo iilicum. Desm. "FernUredo," 



Spots yellowish ; sori subrotund, bullate, scattered and aggre- 

 gate on the under surface ; epidermis at length bursting ; spores 

 subglobose, yellow. — Desm. exs. no. 530. Eiiff. Fl. v. p. 383. 

 Cooke M.F. p. 204. Sow. t. 320. Moug, exs. no. 289. Berk. exs. 

 no. 339. 



On fronds of ferns (Cf/ stopfer is, &c.). 



1570. Uredo pustulata. P. "Willow-herb Uredo." 



Spots yellowish ; sori subrotund, minute, closed, scattered 

 and confluent on both surfaces ; spores globose, yellow. — Pers. 

 Sijn. p. 2 1 9. Eng. Fl. v. p. 381. Cooke M.F. p. 204. Cooke exs, 

 no. 210. Cooke L.F. no. 29. 



On Epilohium palustre, &c. 



1571. Uredo hypericorum. P.O. "St. John 's-wort Uredo." 



Spots yellowish; sori subrotund, small, bullate, distinct, scat- 

 tered on the under surface ; epidermis at length bursting ; 

 spores subglobose, cohering, orange. — D.C. Fl. Fr. vi. p. 81. 

 Eng. Fl. Y.p. 380. Cooke M.F. t. 8, /. 174, 175. Cooke exs. no. 

 118. Baxt. exs. no. 42. 



On various species of Hypericum, August. 



1572. Uredo caryophyllacearum. Johnst. "Stitch-wort 



Uredo." 



Spots yellowish ; sori subglobose, scattered and aggregate, 

 minute, generally on the under surface ; epidermis closed ; spores 

 oval, at length yellow. — Johnst. Fl. Berw. \\.p. 199. Eng. FI.y, 

 p. 381. Cooke M.F. p. 204. Cookeexs.no. ^0. Cooke L.F. no. 2>0, 



On various CaryophyllacecB. Autumn. 



1573. Uredo quercus. Brond. " Oak-leaf Uredo." 



On the under surface ; sori yellow, then orange, minute, 

 ovate, and orbicular, slightly prominent, scattered, solitary or 

 agglomerated into minute patches, surrounded by the ruptured 

 epidermis ; spores subglobose, pellucid, not cohering. — Eng. Fl. 

 V. p. 383. Cooke M. F.p. 205. Cooke exs. no. 281. Berk, exs.no. 

 239. 



On green oak leaves. Sept. 



We have always found it on young oak scrub tlie second year after it has 

 been cut down, never on trees. The sori are very much scattered, and but 

 few on a leaf. 



