Megalonectria nigrescens (Kalchbr. & Cke.) Sacc., Syll. Fung, 2, 298, 1883. 1880 Sphaerostilbe nigrescens Kalchbr. & Cke Grev. 9 15. =Thyronectria pseudotrichia (Schw.) Sacc. There is a single collection in Kew herbarium filed under Sphaerostilbe nigrescens. Nectria Fries, Summa Vegetabilium Scandinaviae, 387, 1849. 1884. Dialonecta Cke, Grev., 12, 77-109. 1861. Sphaerostilbes Tul., Sel. Fung. Cap. 1, 130. 1884 Lasionectria Cke., Grev. 12. 112. 1900. Stilbocrea Pat, Bull. Soc. Myc. France. 16 186. 1909 Crconectria Seaver, Mycologia. 1, 183. 1911. Nectriopsis Mane, Ann Myc., 9. 323. Nectria Aemulans Rehm, Annales Mycologici 7 539. 1909. Collections listed under this species by Dingley (1951b) are misdeterminations. New Zealand collections have larger spores arranged biseriately in the ascus, and are referred herein to N. cyathea sp. nov. Nectria agaricicola Berkeley, Flora Tasmaniae, 2, 278, 1860. = Barya agaricicola(Berk.) Hoehnel (Clavicipitaceae) Nectria aurantiicola Berkeley & Broome, J. Linn. Soc., 14, 117, 1873. 1865. Sphaerostilbe coccophila Tul, Sel. Fung. Carp III, 97, quoad Rabenhorst's Fungi. Europaei Exsicc ed nov.ser. 2, no. 262, 269. 1901 non Nectria coccophila (Tul.) Nomura, Imp. Agric Exp Stat. Report. 18. 105. 1920. Sphaerostilbe aurantiicola (Berk. & Br) Petch, Ann. Perad 7. 119. 1921. Microcera aurantiicola Petch, Trans. Brit Myc. Soc. 7. 163. 1935. Nectria coccophila (Tul.) Wollenw. & Reinking, Die Fusarien, 34 (in part) 1943. N. ecoccophila Wollenw. Centralbl. Bact. Parasit. Infect., 106, 118 (in part). 1945 N. episphaeria f. coccophila Snyder & Hansen. Amer. J. Bot. 32 662 (in part) Nectria aureo-fulva Cke & Ellis, Grev. 7, 8, 1878. 1909. N. semenicola, Seaver, Mycologia, 21. 1926. N. ochroleuca (Schw) Berk. var. longispora Wollenw, Angew Bot. 8, 184. Some of the collections recorded by Dingley (1951b) under N. quisquilaris Cke are now referred to N. aureo-fulva since they agree with authentic material examined in Kew herbarium. Nectria Balsanae Speg. Annal Soc. Cientif., 16, 233, 1883. Collections listed by Dingley (1951b) are misdeterminations, and are now included under N. pulverulenta Nectria berkeleyana (Plowr & Cke) Dingley, Trans. Roy. Soc. N.Z, 79, 183, 1951. 1882. Hypomyces berkeleyanus Plowr. & Cke., Grev., 2, 48. 1911 Nectriopsis berkeleyanus (Plowr. & Cke) Maire Ann. Myc. 9, 323. 1937 Hyponectria berkeleyana (Plowr. & Cke) Petch J. of Bot., 75, 220. From the description of Hypomyces australiensis (Hoehnel, 1909), it appears to be another synonym of this species No authentic material has been examined. Nectria Byssiseda Rehin, Rabh-Pazschke. Fungi extra-eop No 4152. 1900. Further study of the collections recorded by Dingley (1951b) has shown them to be of N. ochroleuca (Schw) Berk. Nectria cinnabarina (Tode) Fr Summa Vegetabilium Scandinaviae, 383, 1849. (1790 Tubercularia ulgaris Tode. Fung Meckl. 1 18) 1823 Sphaeria cinnabarina Tode ex Fr Svst Mye 2 412. 1832 Tubercularia vulgaris (Tode) Fr Syst Myc., 3 464.