244 Plants and their Ways in South Africa 



AA. Calyx having scales or glands in the throat, or more or less 



concealed in the tube. 

 Cryptadenia. — Stamens 8. Glands in the middle of the tube. 



Flowers purple or rosy, single or few. Leaves opposite. 



Western. 

 Lachnea. — Stamens 8. Glands in the upper part of the tube, 



partly hidden among bristles. Flowers in heads. Scales. 8, 



below the stamens. Shrubs with slender branches and 



opposite or scattered leaves. Flowers in umbels with or 



without an involucre (sometimes solitary). 



II 



Fig. 245. — St7-iithiola. (From Edmonds and Marloth's " Elementary Botany for 



South Africa.",) 



Struthiola. — Glands at the top of the tube, conspicuous. Fila-^ 



meiits very short. Calyx 4-par ted. Stamens 4. Heath-like 



shrubs with linear leaves. 

 Onidia. — Stamens 8. Glands petaloid or fleshy, 4 or 8. 



Heath-like shrubs, with rarely broad leaves. Flowers in 



spikes or solitary. A large genus. 

 Lasiosiphon. — Calyx 5-parted. Stamens 10. Tube hairy at 



base. Shrubs with the habit of Gnidia. Flowers in heads 



on a hairy receptacle. Mostly Eastern. 



