DICOTTLEDONES. XXXvii 



14. CaryopJiyllacetB. Pet. 5 or 4. Stam. 8 — 10, rarely 

 5 or 4. Caps. 1-celled ■with a free central placenta. — L. 

 opposite 47 



15. MahacecB. Pet. 5, twisted. Stam. many, mona- 

 delplious. Anth. 1-celled. Ovary of several carpels 

 round a common axis. L. alternate 65 



16. TUiacees. Pet. 5. Stam. many, free or polyadel- 

 phous; Anth. 2-ceUed. Ovary 6-celled. — Trees with 

 alternate leaves 66 



17. nypericacete. Pet. 5, twisted. Stam. many, in 

 3—4 bundles. Anth. 2-ceUed 67 



18. Acerace(s. Pet. 5 (in our plants), imhricate. 

 Stam. distinct, generally 8, on an hypogynous disk. Fr. 



of 2, winged, 1-seeded nuts. — Trees with opposite leaves. 70 



19. OeraniacecB. Pet. 5, twisted. Stam. monadel- 

 phous. Fr. of 6 carpels cohering together with their styles 

 round a long beaked persistent axis, from which they 

 ultimately separate with elasticity 71 



20. BalsaminacecB. Pet. 5, irregular, the lateral united 

 in paii's, imbricate. Stam. 5. Anth. slightly cohering. 



Fr. of 5 carpels with elastic valves 74 



21. Oxalidaceee. Pet. 5, twisted. Stam. 10. Anth. 

 free. Caps. 5-valved. — L. usually ternate 75 



22. Linace<B. Pet. 4 — 5, twisted. Stam. 4 — 5, with 

 intermediate teeth, from an hypogynous ring. Carp, se- 

 parating but leaving no central axis 76 



(Ord. 48. AguifoUacece with sep. free, cor. 4 — 6-parted, 

 stam. 4 — 5, an evergreen tree, is sometimes placed here.). 237 



(Ord. 71. EmpetracecB with dioecious flowers, a heath- 

 like evergreen shrub, is sometimes placed here.) 313 



Division 2. CALYCIFLOEiE. 



* Stam. and petals mostly perigynous. 



23. Celastraceee. Fl. greenish. Stam. alternating with 

 the petals and inserted with them in a fleshy disk sur- 

 rounding the ovary. — Trees or shrubs 77 



