^OIDIACEI. 543 



On leaves of Senecio Jacohcea and Sonchus arvensis. June to 

 August. 



var. e. Lapsani. Purt. Spots purplisli, irregular, con- 

 fluent, on both sides of the leaves ; peridia amphigenous, in 

 irregular patches or scattered, not prominent, teeth numerous, 

 minute, reflexed; spores yellow, oval. — ^. lapsani. Purt. 

 M.S.S. Seem. Journ.ii. p. 38, t. l-i, f. 2. Cooke exs.no. IS, Fdd. 

 exs.no. 271. 



On both surfaces of the leaves of Lapsana communis. April. 



var. f. bellidis. D.C. Berh. exs. no. 225. Coolce L.F. no. 

 57. Coohe exs. no. 327. 



On leaves of common Daisy. 



1625. JEcidiuxn saniculae. Carm. " Sanicle Cluster Cups." 



Spermogoxes ? 



Protospores. Spots purplish, slightly incrassated, small, 

 scattered, roundish ; peridia in small circinate clusters, hypo- 

 genous, and on the petioles, at first hemispherical, at length 

 open, margin with from 4 to 6 sj^reading lobes ; spores yellowish, 

 elliptical. — Cooke Seem. Journ. ii.p. 69, 1. 14:, f. 1. Cooke M.F.p. 

 192. Cooke exs. no. 14. 



On leaves and petioles of Sanicula Europcea. May. June. 



1626. iEcidium violae. Schuvi. '• Violet Cluster Cups," 

 Spermogoxes ? 



Protospores. Spots yellowish ; peridia in irregular heaps, 

 seriate and scattered ; spores orange, at length brown. — Grev. 

 Fl. Ed. p. 444. Eng. Fl. \.p. o72. Seem. Jouim. \\.p. 39. Cooke 

 3I.F. p. Id3. Cooke exs. no. 104:. Fckl. exs.no.27d. Berk. exs. 

 no. 228. 



On leaves, petioles, and sepals of violets. May. June. 

 Common. [United States.] 



1627. JEcidium geranii. D.C. " Cranesbill Cluster Cups." 



Spermogoxes ? 



Protospores. Spots yellow and purple; peridia in circi- 

 nating clusters; spores yellow, at length brown. — D.C.Fl. Fr. 

 vi./>. 93. Eng. Fl. Y. p. 371. Seem. Journ. ii.p. 4:0. Cooke M.F. 

 p. 193. Cooke exs.no. 107. 



On the under surface of leaves of Geranium pratense and G, 

 dissectum. [S. Carolina.] 



