I think it must be in honor of a botanist, Jose Mariano Mocino.

Here is a link that might be useful: Jose Mariano Mocino

I'm trying that link again, as this site doesn't seem to like accented letters:
http://en.wikipedia.org/wiki/Jose_Mariano_Mocino

Here is a link that might be useful: Jose Mariano Mocino

Thanks very much.........seems perfectly logical.

He was a contemporary of Sesse, and Salvia sessei is named in the latter's honor. Mocino and Sesse together described quite as few Salvias, if my memory of searches in the Harvard Herbarium and Epling's seminal work is correct.

Here is a link that might be useful: Martin Sesse y Lacasta