AMARANTACEAE 189 



b. Flowers bisexual, solitary in the axils of leaves, bibracteolate. 



I. Staminodes o. 



1 species, P. africanum. NE. 



12. Psilotrichum Blume 

 Flor. Cap. 424. 



II. Staminodes present. 



1. Stems articulate. 



1 endemic species. [Namib]. A. Leubnitziae. 



13. Arthraerua Schinz 

 E. & P. in, 1 #, 109. 



2. Stems not articulate. 



x Filaments connate at base only, 

 o Perianth-segments all or the inner only woolly or silky. 

 § Perianth membranous. Leaves opposite or alternate. 



2 species in S. A. No, Na. 14. Aerua Forsk. 



Flor. Cap. 425. 

 ^ Perianth coriaceous. Leaves alternate. 



. 1 species in Trop. A. and S. W. A. 

 C. capitata. 15. Calicorema Hook. fil. 



Flor. Cap. 427. 

 00 Perianth glabrous. 



2 species. E, Na, No. 



16. Achyropsis Hook. fil. 

 Flor. Cap. 429. 



x x Filaments connate into a long tube. Leaves opposite. 

 2 species in S. A. (Plate 45, F.) 



17. Achyranthes L. 

 Flor. Cap. 427. 



Tribe III. Gomphreneae. 



Anthers 1 -celled. Ovary i-ovuled. 



A. Stigma capitate. 



a. Fruit not compressed. 



1 introduced species. 18. Telanthera Moq. 



Flor. Cap. 431. 



b. Fruit much compressed, winged. 



2 trop. species as weeds. 



19. Alternanthera Forsk. 

 Flor. Cap. 431. 



B. Stigmas 2, linear. Fruit compressed. 



1 trop. species, G. globosa, occasionally as a weed. 

 Cultivated in several varieties (Globe amaranth). 



20. Gomphrena L. 

 Flor. Cap. 433. 



