| Remarks : | Fig. 35 a-c, e-j. Bionectria solani, compared with B. ochroleuca (d, k). a. Habit of crowded or solitary perithecia. b, c, d, f, g, j, k. Sections through perithecia. b. Crowded perithecia on erumpent stroma. c, d, g. Upper parts of perithecia; cells of outer perithecial wall region larger in B. ochroleuca (d) than in B. solani (c, g). e. Immature asci with rounded apex. f. Perithecium with relatively thick perithecial wall. h, i. Discharged ascospores in optical section (h) and surface view (i). j, k. Lateral perithecial walls; thicker in B. solani and with relatively small cells in outer region (j), in B. ochroleuca thinner and with relatively large cells in outer region (k). a: Carlyle 1888; b, e, g: Carlyle 1885 (type of N. pallidula). c: CUP-MJ 804; d, k: Ellis 2859 (type of N. aureofulva); f, h, i: IMI 71731; j: W.G. 1440 (neotype of N. solani). All from natural sub-stratum. The section in b and g was prepared by G.J. Samuels. a: DM; b: LM; others: DIC. Scale bars: a = 300 µm; b = 250 µm; c, f = 50 µm; d, g, j, k = 30 µm; e, h, i = 10 µm. | |