Fig. 4.

Bract and Leaf sheath anatomical characteristics of Cyperus laevigatus collected from different ecological zones of Punjab. a. Haroonabad Stem epidermis: Dum-bell shaped larger stomata with parallel rows of larger epidermal cells. b. Khushab Stem epidermis: Stomata arranged in rows, comparatively small. c. Jhalar lake Stem epidermis: Stomata and epidermal cells stained alike, some epidermal cell smaller and others large. d. Pakka anna Stem epidermis: Darkly stained stomata arranged in rows. e. Kalar Kahar lake Stem epidermis: Smaller stomata with larger epidermal rows. f. Sahianwala Stem epidermis: Larger stomata, smaller and larger epidermal rows.