Xl CLASSES, DIVISIONS, AND ORDERS. 



** Appearing syncarpous from ilieflesliy disk enveloping 

 the ovaries. 



3. Nymphceacece. Polyandrous. Pet. many, seated 

 with the many stamens upon a fleshy disk. Aquatic. 

 Rhizome prostrate in mud. Leaves floating 1(5 



*** Syncarpous with parietal placentas. 



4. Papaveracece. Polyandrous. Sep. 2, deciduous. 

 Pet, 4. Pistil 1 .* 17 



5. Fumariacea. Stam. in two bundles of 3 each ; late- 

 ral auth. of each bundle 1-celled. Sep. 2, minute. Pet. 4, 

 irregular, one or more of the upper gibbous or spurred at 



the base. PI. very irregular 20 



6. Crucifem. Stam. tetradynamous. Sep. 4. Pet. 4. 



Fl. cruciform 22 



7. Resedacece. Stam. 10 24, from an hypogynous 1- 

 sided disk. Sep. 4 8. Pet. 4 8, irregular. Caps, 

 opening at the top 41 



8. Cistacea. Polyandrous. Sep. 3, equal, and 2 smaller 

 external. Pet. 5, regular, very deciduous 41 



9. Violacea. Stam. 5 ; anth. on inner side of dilated 

 filaments which slightly cohere. Pet. 5, irregular ; lower 

 spurred 4o 



10. Droseracea. Stam. 5. Gal. 5-cleft. Pet. 5, regu- 

 lar. L. bearing long hairs tipped with glands 46 



11. Franlreniacece. Stam. 4 or more. Cal. 4 5-cleft, 

 furrowed. Pet. 45, regular. L. with re volute edges, 



not glandular 47 



**** Syncarpous with axile placentas. 

 f Fl. irregular. 



12. Polygalacece. Stara. 8, in 2 equal opposite bundles. 

 Anth. 1-celled 48 



tt Fl. regular (except in Ord. 20). 



13. Elatinacea. Pet. 35. Stam. as many or twice 

 as many as the petals. Caps. 3 5-celled. L. opposite. 

 Plants aquatic 49 



