SPH^ROXEXEI. 451 



498. Desm. exs.no. 117 d. Ascochyta rihis, Libert, exs. no. 53. 

 West, and Wall, exs. no. 92. FhlcBospora rihis, West. Bull, de 

 £nix,lS60,p.20. 



On leaves of black currrant. Common. 



1339. Septoria alnicola. Cooke. " Alder Septoria." 



Spots pallid, brown or tawny, rounded, about one-fourth, of an 

 inch in diameter; perithecia minute, scattered over the spots, 

 semi-innate, black, pierced at the apex ; sporidia oblong, straight 

 or curved. — Cooke Seem. Journ. ix.p. 97,/. 23. Cooke exs. no. 203. 



On living leaves of Alnus glutinosa. Autumn. 



1340. Septozia lavandulae. Desm. " Lavender Septoria." 



Spots on both surfaces, numerous, bleached, rounded or irre- 

 gular, with a purplish margin ; perithecia on the upper surface, 

 few, very small, black, globose, pierced, cup-shaped when dry ; 

 spores linear, straight or curved. — Desm. Ann. Sc. Nat. 1853, 

 xx./>. 86. Cooke exs. no. 139. 



On fading lavender leaves. Summer. 



Spores ("025 m.m.) '009 in. long, 



1341. Septozia uzticae. Desm. *' Nettle Septoria." 



Spots on both surfaces ; ochraceous, rounded, or irregular ; 

 perithecia very minute, epiphyllous, numerous, brown, pierced ; 

 spores elongated, slender, curved or flexuous. — Desm. Ann. Sc. 

 Nat. 1847, \ii\.p. 24. Cooke exs. no. 137. 



On nettle leaves. Summer, 



Spores ('04 m.m.) '0015 in long. 



1342. Septozia astragali. Desm. " Milk-vetch Septoria." 



Epiphyllous; spots irregular, greenish-grey, then tawny; peri- 

 thecia ifew, globose, slightly prominent, black, pierced ; spores 

 very long, flexuous, multisef)tate (?). — Desm. Ann. Sc. Nat. 1(543, 

 xix.^. 345. Cooke exs. no. 141. Cooke L. F. no. 70. 



On leaves of milk-vetch {Astragalus). Autumn. 



1343. Septozia vizgauzeae. Desm. '•' Golden-rod Septoria." 



Epiphyllous; spots orbicular or irregular, bleached, whitish, 

 and brown, variegated ; perithecia innate, minute, convex, nearly 

 black, mouth widely open ; tendrils white ; spores very long,linear, 

 nearly straight or flexuous. — Desm.Ann.'Sc.Nat.lS'i2,:Kxu..p. 



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