244 Plants and their Ways in South Africa 



solid. Leaves all 3-ranked with an entire sheath. Flowers 



Fig. 2.ij. — T]'/i/ia (reed-mace, cat's tail, bulrush). 1. showing habit of 

 plant; r, rhizoids ; s, staminate ; ;>, pistillate portion of Inlioresccnce. II. 

 staminate. III. pistillate tiower. IV. pollen grains cohering in tetrads. 



Fig, 2i8.^Unisexual llower of Conw KiG. 219. — Flower of Cv/'i-rus, 



(after Eichler) ; //, utricle ; <7, axis. with the parts separated. 



in the axils of glumes ; perianth of bristles, hairs, or nor 



