Trying to find information on Buxus ballearica leaf anatomy.

It always helps if you spell it right. There is only one L. In a search, I
found a slew of entries on the subject, in various languages. Try this; at
least it's a closeup.
A
HREF="http://www.uib.es/depart/dba/botanica/herbari/generes/Buxus/balearic
a/Buxusbalearica_s.JPG"Buxusbalearica_s.JPG (JG Image, 1396x1603 pixels)/A
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)