Plants / Environment Stain Gallery Autofluorence – Plants Toluidne Blue – Corn Toluidne Blue – Corn Toluidne Blue – Corn Toluidne Blue – Corn Phloroglucinol – Cedar Phloroglucinol – Cedar Phloroglucinol + Toluidine Blue – Spruce Needle Phloroglucinol + Toluidine Blue – Spruce Needle Phloroglucinol + Toluidine Blue – Spruce Needle Fresh Frozen – Cross section Fresh Frozen – Longitudinal section