Lethocolea congesta. A, E. Female shoot with near-mature marsupium. B. Elater. C. Shoot apex with mature marsupium, female bracts and mature sporophyte before dehiscence, showing apiculate capsule. D. Cross section of seta. F. Cross sections of capsule. G. Outer cells of capsule wall, frontal view. H. Outer cells of capsule wall, lateral view. I. Inner cells of capsule wall, frontal view. J. Spores. K. Male bract with antheridium. L. Male plant with androecia. M. Cross section of stem. A from Onraedt 70.R.4539; B–J from Halle 139; K–L from Larrain 45507; M from Holz 209. Drawn by Anna Luiza Ilkiu-Borges.