324 Plants and their Ways in South Africa 



Adenandra (" Shepherd's Delight "). Petals broad. 

 Stamens and staminodia tipped with a gland. Capsule gland- 

 dotted. Small shrubs, with alternate or rarely opposite leaves, 

 and pretty white flowers flushed with red at the back. 



Barosma. Petals much longer than the calyx. Stamens 

 longer than the thread-like or petaloid staminodia, both bearing 

 glands at the tip. Capsule eared at the tip. Small shrubs, 





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FIG. 302. I. Section througli flower of Barosma crenulata, Hook., after the 

 removal of the petals (magnified) : sf, .fertile stamens ; sto, barren stamens 

 (staminodes) ; d, lobes of disc. II. Diagram of flower ; sfo, staminodes ; </. 

 disc. (From Edmonds and Marloth's " Elementary Botany tor South Africa.") 



leaves mostly opposite, bordered with glands. B. crenulata, 

 Hook., is the true " Buchu ". 



Agathosma. Petals longer than the calyx. Staminodia, 

 like slender clawed petals. Ovary 2-4 lobed. Small shrubs, 

 with alternate or rarely opposite leaves. Flowers in heads or 

 umbels (axillary in one species), white or reddish purple. 



Zanthoxylon has flowers with calyx and corolla each of 

 4"(3"5) parts. Staminate flowers have stamens equal in num- 

 ber to the petals and a reduced ovary, which suggests that the 

 flowers were in former times perfect. The pistillate flowers 

 have 5-1 carpels, separate or partially united; stamens none 

 or much reduced ; each carpel has 2-1 black shining seeds. 



Eastern trees with paripinnate leaves, panicled flowers, and large 

 strong thorns on stem and branches. 



Order POLYGALACE^E. 



This order is often mistaken for Leguminosre, as the flowers 

 suggest a gay swarm of little butterflies ready for flight. A 



