Plate 2
17. Asterella australis × 1½, F, carpocaphalum showing laciniate perianth with laciniae cohering at the apex × 4. 18. Targionia hypophylla with terminal valves × 1½. 19. Ricardia marginata showing absence of nerve, and lateral calyptra × 3. 20. Anthoceros sp. with linear dehiscing capsule, nat. size. 21. Marchantia berteroana with male carpocephalum and rounded gemmae cups; G, female carpocephalum showing involucres between the rays, nat. size. 22. Metzgeria furcata dorsal with ventral calyptras showing, also midrib and ciliate margins; H. ventral with male branches × 4. 23. Reboulia hemisphaerica, carpocephalum, underneath view, showing bi-valved involucres × 2½. 24. Plagiochasma australe with invol. lobes opening vertically × 1½. 25. Monoclea forsteri with capsule splitting on 1 side only ½ nat. size. 26. Lunularia cruciata with lunate gemmae cups nat. size. 27. Symphyogyna hymenophyllum showing invol. scales and calyptras; 1, sterile archegonia adhering to calyptra × 2. 28. Pallavicinia lyellii, J, invol. cup; K, pseudoperianth with calyptra included nat. size. 29. Hymenophytum phyllanthus, L, basal ventral invol. cup; M, pseudoperianth, calyptra included, nat. size. 30. Dehiscent capsules; N, Taxilejeunea sp. showing valves not divided to the base × 10; O. Plagiochila × 7; P. fossombronia × 7; Q, Metzgeria with elaterophores × 10; R, Asterella × 5.