None of us are biology students, so we found some of the stuff in the BSLC kind of confusing. Mame is puzzled by these Illinois trees.
We couldn't go in any of the rooms in the greenhouse because they were all having something done with pesticides. We don't know what. We did see a bunch of plants, though.
We ended up counting the rooms in the greenhouse. There were nine of them.
Nine is inside! Pesticides are inside!