The multimedia microscope slide packages for roots come in a special cardboard box with an explanatory brochure and plastic box of 6 microscope slides: • Elodea, Canadian waterweed, t.s. of an aquatic root • Lupinus, root nodules with nitrogen fixing bacteria (Rhizobium radicicola) t.s. • Ranunculus, buttercup, typical dicot root t.s. • Root tip and root hairs, t.s. to show epidermal origin of root hairs • Smilax, carrion flower, t.s. of root shows thickened endodermis • Zea mays, corn, typical monocot root t.s.