Pictures of plants are cool. Micrographs of specific plant parts are simply alien. Herbalgram has posted serveral on their website and printed them in their magazine. Incredible.

Clary sage (Salvia sclarea L., Lamiaceae) showing stalked and sessile secretory glands on the calyx trichomes (Cryo-SEM, magnified 752 times actual size).

from the book "Secretory Structures Of Aromatic And Medicinal Plants: A Review And Atlas Of Micrographs" by Katerina Svoboda and Tomas Svoboda, micrographs by Andrew Syred.