Taxon: Aongstroemia orientalis

Plate 22. 1–7, Aongstroemia orientalis. 1, habit (× 7.5). 2, 3, leaves (× 85). 4, basal leaf cells (× 335). 5, upper marginal leaf cells (× 335). 6, apical leaf cells (× 335). 7, capsule (× 43). 8–15, Aongstroemiopsis julacea. 8, habit (× 10). 9, 10, leaves (× 42). 11, basal leaf cells (× 335). 12, upper leaf cells (× 335). 13, capsule (× 42). 14, annuli (× 335). 15, spore (× 550). (1–7, drawn from C. Gao 20198, IFSBH; 8–15, drawn from C. Gao 20550, IFSBH.)