126 The Scottish Naturalist. 



irregular aperture, membranaceous. Sporidia oblong- 

 fusoid, penicillate-setulose at the tip, hyaline. 

 44. N. Caricum, Desm., 1294, C. 165, S.M. 3068. (R. in 

 Grevillea, 1885.) 

 In dead leaves of Carices. 

 Moray. 



VI. Vermicularia, Fr. 



Pycnidia usually erumpent, membranaceo-carbonaceous, glo- 

 bose conical, at length more conical, with the pore at the 

 tip, or without a pore, covered with rather long, rigid, septate, 

 sooty-coloured hairs. Sporidia in the type cylindrical-(usoi'd r 

 often unequal-sided, hyaline ; basidia various, usually 

 simple, but in some bearing several sporidia. 

 *45. V. trichella, Fr., 1329, C. 179, M. 1120. (D. and R. 

 Greville.) 



On petioles and blades of leaves of Hedera Helix (Ivy). 

 Forth, Dee. 



46. V. dematium (Pers.) Fr., 1336, C. 180, M. 1119. (D. 



White, R. in Mycol. Scot.) 

 On dead herbaceous stems. 

 Tay. 



47. V. atramentaria, B. and Br., 1345, C. 182, M. 1121. 



(D. Keith, R. in Mycol. Scot.) 

 On decayed potato stems. 

 Moray. 



VII. Rabenhorstia Fr. 



Pycnidia sunk in substance of stroma, which is' leathery-carbon- 

 aceous, splitting near the apex, the upper part falling off 

 with the bark. Sporidia ovoid or oblong, hyaline, 

 stalked. 

 48 R. Tiliae, Fr., 1427, C. 314, M. 1169. (D. and R. John- 

 stone.) 

 On dead branches of Tilia (Lime). 



Tweed (Berwick). 

 This is regarded as the spermogonium of Hercospora 

 Tiliae. 

 49. R. rudis, 1429, C. 315, M. 1168. (D. Carmichael.) 

 On dead branches of C. Laburnum. 

 Argyle (Appin). 



