im 



Ornithogaliun, Continued. 

 inandense, Baker. 

 leptophylliuii, ,, 

 lineare, „ 



longiscapum, ,, 

 natalense, ,, 



oliganthiim, „ 

 stenostachyum, „ 

 umgenense, ,, 

 virens, Ldl. 

 Zeyheri, Baker. 



21 Androcymbium, Willd. 

 decipiens, N. E. Brown 

 melanthoides, Willd. 

 natalense, Baker. 



B. 

 B-C. 



D 



D. 

 E-F. 



B. 



? 



? 



A-B. 



F. 



A. 

 F. 

 B. 



28 Wurmbea, Thh, 

 Kraussii, Baker. BE. 



29 Gloriosa, Linn. 

 virescens. Ldl. A. 



30 Sandersonia. Hk. 

 aurantiaca, Hook. B-D. 



31 Littonia, Hook. 



modesta, Hook. A-D. 



var, Keiti. Beichb. B. 



ORDER CLXXXI. XYRIDE^. 



A small family containing two genera, one only of which is repre- 

 sented in Natal. They inhabit marshy ground, and the leaves and 

 roots of some of the sj)ecies have been used medicinally. 



There are about 130 species. 



Perennial herbs with radical leaves. 



Xyris. 



1 Xyris. Linn. 



anceps, Lam 

 capensis, Thb. 



List of Species. 



Gerrardi, N. E. B. 



A. natalensis, Nilss. 



B. umbilonis, ,, 



Z. 

 A-Z. 

 A-B. 



ORDER CLXXXIII. COMMELINACE^. 



A family of succulent herbs, annual or perennial. In the Natal 

 species the flowers are yellow or blue, in CyanoHs nodiflora, sometimes 

 pink or white. They usually contain mucilage, and have been used 

 medicinally in some countries, but our indigenous species are so far as 

 known to us without value. 



Number of species about 320. 



Stamens 3 perfect. Staminodes 3, or fewer. 

 Stamens 6, rarely 5, all perfect. 



1 Flowers issuing from spathe-like bracts. Commelina. 



1 Flowers paniculate, no spathe-like bracts. Aneilema. 



2 Flowers bursting through base of bracts. Coleotrype. 



2 Bracts opening. Ovary 3-ceUed, cells 2-ovuled. Ctanotts. 

 2 Bracts minute or 0. Ovary 2-ceUed, ceUs 1-ovuled. Floscopa. 



