You can count the eight ascospores in this ascus: The tasty, tasty asci of a Morchella sp.
Scientific American(Sep 05, 2012)
Thus: ‘It was simply made from a particular mushroom, which he called “morella,” and which I infer was the Morchella esculenta, described in botanical works.
Ronald, Mary, The Century Cook Book(2011)
The genera Morchella, Gyromitra, Helvella, and Mitrula contain, however, what may be considered the most desirable edible species.
Taylor, Thomas, Student's Hand-book of Mushrooms of...(2010)