ENDOGENJE FLORIDA. 



187 



Cabbages. Some, too, secrete large quantities of starch, 

 which, when separated from the acrid matter, becomes fit for 

 food, as in Arum maculatum. 



TYPICAL GENERA. Arum, Dracontium, Caladium. 



1. Spathe of Arum maculatum. 2. Its spadix loaded with flowers. 3. An anther. 

 4. A transverse section of an ovary. 5. A cluster of ripe fruits. 6. A seed. 7. A 

 section of the same, showing the embryo. 



180. Typhaceae. Herbaceous plants, growing in marshes 

 or ditches. Leaves rigid, ensiform. Flowers unisexual, upon 

 a naked spadix. Sepals 3, inferior, sometimes a bundle of 

 hairs. Petals wanting. Stamens 3 or 6 ; anthers wedge- 

 shaped. Ovary single, 1-celled ; ovule pendulous ; stigmas 1 

 or 2, linear. Fruit not opening. Embryo in the centre of 

 albumen, with a cleft in one side. 



USES. Unknown. 



TYPICAL GENERA. Typha, Sparganium. 



