^CIDIACET. 541 



1619. JEcidium aspexifolii. Pers. " Borage Cluster Cups." 



Spermogones ? 



Protospores. Clusters subrotund, on a slightly thickened 

 subiculum ; peridia scattered ; spores orange. — Pers. Syn. p. 

 208. Berk. Ann. N.H. no. 255. Seem. Journ. ii. p. 37. Cooke 

 M.F.p. 192. Cooke exs. no. 325. Fckl. exs. no. 274. 



On leaves of various Boraginacece. Summer. 



The parts of the leaves on which it occurs are rendered concave on one side 

 and convex on the other. 



1620. iEcidium grossulaxiae. B.C. "Gooseberry Cluster 



Cups." 



Spermogones ? 



Protospores. Spots yellow, bright red on the opposite side, 

 with a yellow border ; peridia crowded in roundish heaps, at 

 length brown, and surrounded with a brown area; spores 

 orange.— i;.C'.i^/.i^r.vi.i9. 92. Grev.t.Q2. Eng. Fl Y.p. Ti2.' 

 Moug. exs. no. 287. Seem. Journ. ii. p. 37. Cooke M.F. p. 192. 

 Cooke exs. no. 10. 



On leaves and fruit of gooseberry and currant. May. June. 

 Common. [Pennsylvania.] 



Very variable in the frequency of its occurrence. Some seasons it is very 

 common j in others scarce a specimen can be found. 



1621. .fficidium urticae. B.C. " Nettle Cluster Cups." 

 Spermogones ? 



Protospores. Spots obliterated; subiculum thickened; 

 peridia disposed in elougated or subrotund heaj)s, at first sub- 

 globose, then gaping; spores orange. — D.C. Fl. Fr. ii.p. 213. 

 Eng. Fl.Y. j)-'^~i'^- Moiig.exs.no. 3b^d. Besm. exs.no. 676. Seem. 

 Journ. ii.^. 37. Cooke M.F. f. 1,/. 10, 11. Cooke exs. wo. 11. Fckl. 

 exs. no. 281. Berk. exs. no. 112. 



On leaves and stems of nettles, distorting them very much. 

 June. Common. [Mid. Carolina.] 



1622. JEcidiuxn behenis. B.C. "Bladder-campion Cluster 



Cups." 



Spermogoxes ? 



Protospores. Spots yellow, brown on opposite side ; peridia 

 somewhat circinating, in subrotund heaps ; spores brown. — 

 B.C.Fl.Fr.Yi. p. 94. Eng. Fl. y. p. 372. Baxt. exs. no. 90. 



