ro2 



SYSTEJIATIC BOTANY. 



Anthers 2-ceUed. Embryo cleft . 



Anthers 1-celled. Embryo solid . 

 Carpels several combined. 

 Anthers 1-celled. 



Stamens 2—3 



Stamen 1. Ovary more than 2-celled 

 Anthers 2-celled. Placentas central. 



Seeds with rows of hairs 



Seeds without rows of hairs . 

 Anthers 2-celled. Placentas parietal 



'Naiadacece. 111. 

 DesvauxiacccE. 283. 



Bestiacece. 281. 

 DesvauxiacecB- 283. 



Eriocaulacece. 282. 

 R.-stiacete. 281. 

 Xyridacete. 265. 



Sub-class m. — Glumacece. 



Stem solid. Leaf-sheaths not slit. Embryo ba- 

 silar within the albumen Cyperacett. ' 



Stem hollow. Leaf-sheaths slit. Embryo basilar 

 outside the albumen Graminacece. 



285. 



