SPH^EIACEI. 929 



2795. Stigmatea potentilles. Fr. " Potentilla Stigmatea," 



Spermogonia. — Perithecia hemispherical ; sperinatia bilocu- 

 lar, curved, caudate, hyaline. — Septoria 'potentillaruni^ FcJcl. 

 Sym. Myc. t. 2.f. 50. Fckl. exs. no. 502. 



AscoPHORE. — Epiphyllous, seriato-coufluent, folio-wing the 

 direction of the nerves, slightly hairy, opaque, black ; asci ob- 

 long, curved; sporidia elongated, ovate, uniseptate. — Fi\ S.V. 

 S. p. 422. Fclcl. exs. no. 423. Cooke exs. no. 174. Dothidea poten- 

 tillce^Fr. S.M.ii.p. 563. Eng.Fl.Y.p.2d)^. Sphceria potentillcE, 

 Sow. t. 370,/. 2. 



On living leaves of Potentillce. 



2796. Stigmatea alchemillee. Grev. " Alchemilla 



Stigmatea." 



Epiphyllous, black, seated on a pallid spot ; perithecia slightly 

 prominent, connate, disposed in rows, vrhich radiate from a com- 

 mon centre ; asci oblong; sporidia elongated-ovate, simple, hya- 

 line. — Fr. S.V.S. p. ^'2?>. Fckl.exs. no. 425. Dothidea alche- 

 millce, Eng. Fl. Y.p. 288. Asteroma alchemilhe, Fr. El. \i. p. 152. 

 Grev.Fl. Ed.p.S6d. 



On living leaves of Alchemilla. Scotland. 



^Vllen mature consisting of black, minute, raised points, or very sliort 

 lines clustered on pale circular spots on the leaf. The points are irregularly 

 arranged, but they are most closely set in the centre, and assume altogether 

 an obscure star-like form. — Johnst. 



2797. Stigmatea polygonorum. Fr. ''Polygonum 



iStigmatea." 



Amphigenous, sub- gregarious, minute, black, rather shining, 

 collapsing, of the same colour within. — Fr. S. V.S.p. 421. Dothi- 

 deapolygoni, Fr. S.M.ii.p. 564. 



On leaves of Polygonum. 



2798. Stigmatea chaetom.ium. Fr. " Easpberry Stigmatea." 



Epiphyllous, scattered, unequal, pilose, black, brownish within ; 

 sporidia ovate, uniseptate, yellowish. — Fr. S. V.S.p. 422. FcIJ. 

 exs. no. 424. Dothidea chcetomiuin, Fr. S.M. ii. p)- 563. Berk. 

 Ann. X.H. 710. 200. 



On leaves of raspberry and Ruhus ccesius. 



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