10 



SOGAK BKET SEKD. 



(Fig. 8, c) forming the corolla. They are slightly col- 

 ored green and placed behind the five stamens; these 

 petals bend over themselves as the season advances. 

 The beet flower taken together is cup-like in shape, 

 (Fig. 3). The stamens are attached at their base around 

 an inverted saucer-like pistil placed in the centre. The 



Fig. 4. Section of tlower showing embryo and stigma. 



general arrangement is better shown in the diagram of 

 the flower (Fig. 5). The anthers (Fig. 8, m) have two 

 lobes or cells which open vertically, their section is 



riG. 5. 



Flan or diagram of flower. 



Fig. 7. 

 Section of poUen. 



shown in engraving (Fig. 9); the filament or stalk to 

 which they are attached is kept in constant motion by 

 any air disturbance. 



The pollen* granule of the sugar beet is spherical 



*Stiff has recently analyzed the pollen from beet flowers and finds 

 that it contains: Water 9.78, albumen 15.25, nitric elements non-allw- 

 minons 2.5, fatty substance 3.18, starch and dextrine 0.80, pentosane 

 11.06, othe'r extractive substances but not nitrogenous 23.7, cellulose 

 25.45, ash 8.28. In 100 parts of the pollen ash there is 5.8 potassa and 

 6.65 phosphoric acid. 



