Pine pollen - 40x objective - UWDC - UW-Madison Libraries

Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries

Pine pollen fixed and stained all cells visible - 100x objective - UWDC - UW -Madison Libraries

Microsporangiate cones of red pine, top and bottom views of microsporophylls - UWDC - UW-Madison Libraries

‎Microsporangium of pine - UWDC - UW-Madison Libraries

Red pine bough with mature microsporangiate strobil - UWDC - UW-Madison Libraries

Plasmolysis and recovery of Elodea leaf cell - UWDC - UW-Madison Libraries

Pine pollen fixed and stained - 100x objective - UWDC - UW-Madison Libraries

2-celled pollen grain of lily - UWDC - UW-Madison Libraries

Side view of the Leica microscope used in General Botany taught at the University of Wisconsin-Madison. - UWDC - UW-Madison Libraries

Pine pollen fixed and stained - 100x objective - UWDC - UW-Madison Libraries

Philodendron in tropical rainforest - UWDC - UW-Madison Libraries

Pine pollen fixed and stained all cells visible and labeled - 100x objective - UWDC - UW-Madison Libraries