Complex sentence: The basidia (spore-bearing cells) are club-shaped and are 2 -, 3 -, or 4-spored, measuring 38.0--50 by 10.2--13.6 µm with sterigmata up to 8.0 µm long.
Split into simpler sentences: The basidia (spore-bearing cells) are club-shaped, measuring 38.0--50 by 10.2--13.6 µm. They are two -, three -, or four-spored, with sterigmata up to 8.0 µm long.