Class III. Order II. 9 



Class III. TRIANDRIA. Three stamens. 

 Order 1. MONOGYNLI. One style. 

 A. Flowers sufierior. 



13. IRIS. Corolla six parted, the divisions al- 

 ternately reflected ; stigmas petal form. , 







B. Flowers inferior. . 



. XYRIS. Corolla three petalled ; calyx two 

 valved ; capsule three celled. 



C. Flowers grassy. 



15. SCIKENUS. Corolla none ; calyx of fasci- 

 cled, chaffy scales ; seed one, roundish. 



16. CYPERUS. Corolla noue ; calyx of chaffy 

 scales imbricate two ways ; seed mostly naked. 



17. SCIRPUS. Corolla none ; calyx of chaffy 

 scales imbricate every way ; stigmas three ; seed 

 mostly naked. 



18. ERIOPHORUM. Corolla none ; calyx of im- 

 bricate scales ; seed invested with long wooly hair. 



19. SPARTINA. Calyx two valved, compress- 

 ed, one valve larger, longer, and carinated ; corolla 

 two valved. 



Order II. DIGTWIA. Tivo styles. 



A. Flowers (scattered, one in each calyx. 



20. PANICUM. Calyx three valved, the third 



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