37(36) Spores 14-18 × 9-11µm. Apothecia pale yellow/orange, up to 1.5mm diam. Asci cylindrical, 110-150 × 12-15µm. Paraphyses yellowish, slightly inflated to 4-5µm at apices. _Coprotus ochraceus_ - Spores less than 15µm long. Apothecia up to 0.6mm diam. Asci less than 100µm long. 38 [Illustration: FIG. 5. _Thelebolus microsporus_, ascus and paraphysis.] [Illustration: FIG. 6. _Ascodesmis microscopica_, ascospores.] 38(37) Apothecia bright yellow. Asci cylindrical clavate, attenuate below, 65-90 × 10-15µm. Spores 12-14 × 6-8.5µm. Paraphyses branched, apices inflated to 4-5µm, with yellow contents. _Coprotus aurorus_ - Apothecia white/pale yellow, with darker margin. Asci broadly clavate, stalked below 40-55 × 15-30µm. Spores 9-15 × 6.5-9.5µm. Paraphyses inflated above to 5-8µm, hyaline. _Coprotus granuliformis_ 39(5) Spores spherical or broadly ellipsoid, brown, ornamented with warts, anastomosing ridges or a reticulum. Asci clavate. Apothecium without excipulum. (_Ascodesmis_, fig. 6) 40 - Spores ellipsoid or spherical, hyaline at first, then purple, becoming brown at maturity; epispore smooth, finely verruculose, warted or cracked. Asci cylindrical. Excipulum present. 45 40(39) Spores 18-21.5 × 13.5-17.5µm. _Ascodesmis macrospora_ - Spores up to 16µm. 41 41(40) Spores ± spherical, L/B ratio mostly up to 1.2. 42 - Spores ± broadly ellipsoidal, L/B ratio mostly 1.2 or more. 43 42(41) Spores ornamented with round warts, 8.5-11 × 8.3-10µm. _Ascodesmis nana_ - Spores ornamented with a network of ridges, 10.5-14 × 9-12µm. _Ascodesmis sphaerospora_ 43(41) Spores with a prominent reticulum of ridges (fig. 6), 11-15.5 × 8-13.5µm. Apothecia 150-300µm diam. _Ascodesmis microscopica_ (fig. 6) - Spore ornament not a reticulum. 44 44(43) Spores with 1 simple or branched ridge and isolated or occasionally connected warts, 11-14.5 × 7-11.5µm. Apothecia up to 500µm diam. _Ascodesmis porcina_ - Spores with isolated warts, some joined to form short ridges, but not a reticulum, often capitate, 9.5-12.5 × 7.5-10µm. Apothecia 50-150µm diam. _Ascodesmis nigricans_