Clnssification of Plants 



259 



About seventy species are found in South Africa. The large bulbs of 

 some species store so much food that if the bulbs are gathered in early 



\'\c,. 235. — Ornithogalum thvrsoidt:s, Tacq. (Photographed by E. I. Steer, 



Esq.) 



flowering time and placed in the dark, the flower will continue to open 

 for se\'eral months. These beautitul flo\\'ers so much in demand at 



17 * 



