44(43) Fruit bodies several cm tall. Spores 15-19 × 8.5-11.5 × 11-13µm. _Coprinus niveus_ - Cap small, 5-6mm at first. Spores 14-16 x 8-9 × 10-12.5µm. _Coprinus latisporus_ 45(39) Basidia 3-spored. 46 - Basidia 4-spored. 47 46(45) Spores narrow, 8.5-11 × 5-6.2µm. _Coprinus triplex_ - Spores broad, 9-10 x 6-6.5 × 6-7µm, slightly flattened in face view. _Coprinus trisporus_ (These are possibly a single taxon). 47(45) Spores 7-8 × 4-4.5µm, perispore not visible in water or alkali mounts. _Coprinus stercoreus_ (fig. 62) - Spores 9µm or more long. 48 48(47) Spores 9-11 × 5.5-6µm. Perisporal sac none or incomplete or indistinct. _Coprinus foetidellus_ - Spores longer, 10.8-13.5 × 5.5-7µm, with distinct perispore with dark lines and inclusions. Distinctive smell of gas. _Coprinus narcoticus_ (_C. sclerotiger_ is found on straw/dung mixtures, and the smaller _C. tuberosus_ on garden refuse etc.). 49(20) Spores not discoloured in conc. H2SO4. 50 - Spores discolouring in conc. H2SO4. Gills not spotted at maturity. 66 50(49) Cap cuticle cellular. Gills spotted at maturity. (More often on rich, 'dungy', soils. _P. subbalteatus_, with copper coloured cap, drying paler but retaining a dark marginal zone, occurs in gardens on mulch etc.). (_Panaeolus_) 51 - Cap cuticle filamentous. 56 51(50) Velar remnants very obvious, either as an appendiculate veil or as a distinct ring. 52 - Lacking all velar remnants. 54 52(51) Cap distinctly pigmented, with appendiculate veil. 53 - Cap pale coloured, smooth, semi-globate, soon cracking. Gills with marginal cystidia only. _Panaeolus papilionaceus_ 53(52) Cap brown, smooth, sometimes viscid, not exceedingly wrinkled. _Panaeolus campanulatus_ - Cap grey, olivaceous, even black, with contrasting white appendiculate veil. _Panaeolus sphinctrinus_ 54(51) Cap with or without appendiculate veil, but always with distinct ring. _Panaeolus semiovatus_ - Cap lacking veil. 55