450 SPH^EONEMEI. 



1335. Septoria gei. Desm. '*Avens Septoria." 



Amphigenoiis ; spots orbicular or irregular, brown at first, 

 cinereous when dry, with a purplish-brown margin. Perithecia 

 on the upper surface, rery minute, numerous, brownish-black, 

 sometimes arranged along the veins of the leaves, atfirsthemis- 

 pherical, becoming at length concave. Sporidia linear, flexuose. 

 — Ann. Sc. Nat. 1843, xix. p. 342. Cooke Seem. Journ. iv. p. 97. 

 CooJceexs.no.1'^%. Sphceria lichenoides, var. geicola. De Cand. 

 Fl.Fr. p. 14:9. Sphceria ( Depazea) vagans geicola. Fr. S.M.ii. 

 p. 532. Acrotheca gei, Fuckel, Enum.p. 43. 



On leaves of Geum urhanum. Autumn. 



1336. Septoria lysimachiae. West. "Moneywort Septoria." 



Epiphyllous; spots indeterminate, brown ; perithecia minute, 

 scattered, terminated by a pore ; tendrils whitish ; sporidia 

 linear, straight, with numerous nucleoli. — Bull, de Brux. 1852, 

 iii. jv. 120. Bell. Cat. Cr^/pt. Ka?n.7io.333. Cooke. Seem. Journ. 

 iv.p. 97. Cooke exs.no. 142. Fckl.exs.no. 613. Ascochyta lysi- 

 machicB. Lib. exs. no. 253. 



On leaves of Lysimachia nummularia. 



1337. Septoria castanaecola. Desm. " Chestnut-leaf Septoria." 



Amphigenous ; spots tawny, indeterminate ; perithecia on the 

 under surface, brownish-black, minute, numerous, somewhat in- 

 nate, pierced with a terminal pore ; tendrils whitish ; sporidia 

 elongated, slender, curved. — Ann. Sc. Nat. 1847, viii. j9. 26. Cooke 

 See7n.J0u7m.iY. p. 97. Cookeexs.no. 129. Fckl. exs. no. 608. Kl. 

 exs. no. 1957. Cooke, L. F. no. 68. 



On fading leaves of Castanea vesca. Sept. Common. 



It is very probable that this is only a condition of Sj^hcerella sparsa or 

 Sphcerella riicu:ulcejormis. 



1338. Septoria ribis. Desm. " Currant-leaf Septoria." 



Amphigenous ; spots numerous, small, irregular and angular, 

 of a pale brown or purple colour ; perithecia innate, very small, 

 blackish-brown, convex, pierced with a large apical pore ; tendrils 

 flesh colour, or roseate ; sporidia elongated, linear, containing 

 numerous nucleoli. — Mem. Soc. des Sc. de Lille, 1S4:2. Cooke 

 Seem. Journ. lY.p. 97, f. 32. Cooke exs. no. 130. Fckl. exs. no. 



