On maple, I believe Chartreuse in KOH. Germ slit length of spore. I couldn't see any blue at the operculas in Melzer's and I looked at a bunch.
(10.5) 11.5 - 13.4 (15.2) × (5.4) 5.8 - 6.5 (6.6) µm

Q = (1.7) 1.8 - 2.3 (2.8) ; N = 26

Me = 12.4 × 6.1 µm ; Qe = 2

https://docs.google.com/spreadsheets/d/16HIyfYVlaXxJ8k39DUZjk6URmylF0P4bpG3CRp_3nZs/edit?usp=sharing