Cyperaceae
Flowers unisexual, female flowers enclosed in a flask-shaped utricle (Fig. 46 e,g) or in separate spikelets
Bristle absent from female flower or short and not exserted Carex Utricle corky, obscurely veined but not ridged, smooth, 2–3.5 mm diam.; the beak c. 1 mm long, notched. Female spikes ovoid, 1.5–4 cm long, greenish, Leaves 15–30 mm long, up to 6 mm wide. Perennial with a creeping rhizome. Coast near the sea. Sand dunes Carex pumila Utricle not corky, with several minutely scabrous ridges, 1–1.5 mm diam., beak c. 0.5 mm long