Naples garlic The structure of garlic could be mistaken for exquisite coloured glass. When a tiny stem section is stained with toluidine blue, a dye that builds up in the acidic parts of tissue, nucleic acids show up in blue. The dark spot is a bundle of vascular tissue that carries nutrients and fluids up the stem. The full image is a composite of 55 shots.
Greenhouses. Ziplock bag, wet cotton balls and seeds. You can see all the plant parts. This has a printable for the "house". Although I think I might just tape the bags to the window and have a lot of them.