No. 3554. Roots. 22 Color Photomicrographs. 1. Root hairs and rhizodermis 2. Root tip and root cap of Lemna w.m. 3. Root tip and root cap l.s. 4. Starch granules in root tip of Zea mays 5. Zea mays, corn, typical monocot root, t.s. 6. Convallaria,