I think your first E is wrong, jogamel, and B is an omitted letter. I say I think because I haven't finished yet and I've found this a bit harder than average.
I have an anagram of SETS and DAD for 9d, which means my 16a needs to end with a D or DES (the pattern of others suggests the former). But before that I have ...NOS?
Thanks, Orson, 16 A definitely ends D (from the land of...). The answer could be defining the 'state of being in the land of...' I think there's an extra letter, omitted from wordplay. I didn't bother with all of those.