FIG. 23 in A review of the genus Macromitrium Brid. (Orthotrichaceae, Bryophyta) in New Caledonia

FIG. 23. — Macromitrium tongense Sull.: morphological diversity among the New Caledonian types with special emphasis on M. villosum var. intermedium (P-V). A-H, P, R, S, transverse sections in the top quarter of branch leaves; Q, transverse section at apex of branch leaf; I-O, U, V, branch leaves; T, dry branch. Drawn from the M. tongense isotype PC0695994 (A) and specimen of Smith 1443 (C), from the M. villosum (Besch.) Broth. syntypes Pancher 574 (B), Balansa 2979 (D, I), Pancher 578 (E-G), from the lectotype of M. subvillosum Broth. & Paris (H, J), lectotype of M. villosum var. intermedium Thér. (Q-S, U), lectotype of M. villosum var. elongatum Thér. (K), lectotype of M. ludoviciae Broth. & Paris (L, M), lectotype of M. densifolium Thér. (N, O), from the specimen M. villosum var. intermedium Thér. Thouvenot NC2311 (P, T, V). Scale bars: A-H, P-S, 10 µm; T, 1 mm; I-O, U, V, 500 µm.