442 SPH^EONEMEI. 



1299. Septoria oxyacanthae. Eze. ** Hawthorn Septoria." 



Spots purple; tendrils yellow; spores very long, 8-12 septate, 

 curved. — Kiinze M.I1.\\. p.V)^. £ng.Fl.Y.p.3b6. Cooke exa. 

 no. 201. Fckl. exs. wo. 500. Kl. exs.no. 4^66. 



On living hawthorn leaves. [United States.] 



1300. Septoria aceris. B.&Br. "Sycamore Septoria." 



Hypophyllous ; spots small ; perithecia innate, minute, brown; 

 tendrils small, pallid ; spores long, straight,very distinctly septate. 

 — B.^Br. Ann. N.H. no. 432. Fckl. exs. no. 499. Ascoxyta aceris. 

 Lib. exs. no. 54. 



On living sycamore leaves. Autumn. 



1301. Septoria salicella. B.^^Br. " Willow Septoria." 



Beneath the cuticle ; epidermis above the subglobose peri- 

 thecia elevated ; spores fusiform, triseptate, tendrils reddish, ir- 

 regular.—^. ^ Br. Ann. N.H. no. 746, 1. 15, /, 7. 



On branches of willows. 



Concealed by the cuticle, whicli is obscurely pustulate, in consequence of 

 the presence of the subglobose perithecia; spores ejected in the form of 

 pale pink tendrils, fusiform, "OOISS in. ("03 m.m.) long, triseptate.— -M". /• B. 



1302. Septoria segopodii. Besni. " Gout- weed Septoria " 



Epiphyllous ; spots pale, perithecia globular, black, very visible 

 on the under surface, spores long, curved. — Desm. exs. no. 616. 

 Eng. Fl. Y.p. 356. Cooke exs. no. 146. 



On living leaves of ^gopodium jyodagraria. 



1303. Septoria lepidii. Besm. *' Crucifer Septoria." 



Spots none ; perithecia scattered or approximate, black, in>- 

 nate, slightly prominent, convex, at length pierced; tendrils 

 white ; spores elongated, linear, flexuous. — Desm. Ann. Sc. Nat. 

 1842, xyii.p. 110. Desm. exs. no. 1177. JB. ^ Br. Ann. N.H. no, 

 431. 



On Lepidium Smithii. Autumn. 



After the spores are discharged, the mouths of the perithecia enlarge, 

 and they collapse so as to have the appearance of a small black Peziza. 



1304. Septoria nodoruxn. Berk. " Wheat-stalk Septoria." 



Spots pale fawn-coloured, with a dark border, depressed, at 

 length confluent; perithecia somewhat prominent; spores oblong, 



