17. Asterella australis × 16, F carpocephalum showing laciniate perianth, × 4.
18. Targionia hypophylla with terminal valves, × 1½.
19. Riccardia marginata showing absence of nerve and lateral calyptra, × 3.
20. Anthocercs with linear dehiscing capsule, nat. size.
21. Marchantia with male carpocephalum and rounded gammae cups; G. female carpocephalum showing involucres between the rays, nat. size.
22. Metzgeria furcata dorsal with ventral calyptras showing, also mid-rib and ciliate margins; H. ventral with male branches, x. 4.
23. Reboulia hemisphaerica, carpocephalum, underneath view showing bi-valved involucres, × 2½.
24. Plagiochosma australe with invol. lobes opening vertically, × 2½.
26. Lunularia cruciata with lunate gemmae cups, nat. size.
27. Sypmhyogyna hymenophyllum showing involucral scales and calyptras; I. sterile archegonia adhering to calyptra, × 2.
28. Pallavicinia Lyellii, J. invol. cup, K. perianth with calyptra included, nat. size.
29. Hymenophytum phyllanthus, L. basal ventral invol. cup, M. perianth, calyptra included, nat. size.
30. Dehisecnt capsules; N. Taxilejeunea Colensoana showing valves not divided to the base, × 10; O. Plagiochila × 7; P. Fossombronia × 7; Q. Metzgeria furcata with elaterophones × 10; R. Asterella × 5.