BICOTYLEDOITES. Iv 



24. Rhamrmtete. Fl. greenish. Stam. opposite the 

 petals and inserted with them in a disk lining the calyx. 



— Shrubs 7ti 



25. Leguminosce. Fl. coloured, irregular, papiliona- 

 ceous ; odd petal superior and external. Stam. 10, di- 



or rarely monadelphous. Fruit a legume 7(5 



26. Rosacea. Fl. regular ; odd petal inferior. Stam. 

 usually many, perigynous. Oarp. distinct when young, 

 and superior, or connate, or adnate to calyx (felsely syn- 

 carpous and inferior) ! )o 



27. LythracecB. Cal. tubular. Pet. and stam. peri- 

 gynous. Ovary free, syncarpous. Style 1 127 



28. Tamariscacece. Sep. slightly connate below. Pet. 

 perigynous. Stam. from the edge of hypogynous ring. 

 Ovary free. Styles 3. Caps. 3-valved, loculicidal. — 

 Shrub with narrow spurred leaves 127 



29. Onagracea. Cal. adnate to ovary, with 2 — 4 lobes. 

 Pet. 2—4. Stam. 2, 4, or 8. Style 1 128 



30. Maloragacem. Cal. adnate to ovary, with a minute 

 limb. Pet. minute or 0. Stam. 1 or 8. Styles 1 — 4. — 

 Aquatic. Fl. usually unisexual. {CaUitriche, p. 311, is 

 often placed here.) 132 



31. Cucurhifacem. Dioecious (in our plant). Cal. -tube 

 adnate to ovary. Stam. 5, resembling 3 by cohesion. — 

 Climbing by tendrils 1.33 



32. Portidacece. Cal.-tube short; sep. 2. Pet. connate 

 or free. Stam. 3 — 5, free. Ovary 1-celled ; placenta free, 

 centi-al 1 33 



83. Parom/chiaceee. Cal. 5-parted. Pet. minute re- 

 sembling barren filaments, or none. Stam. 5, or rarely 

 10. Ovary free 134 



34. Crassulaceai. Sep. and pet. each 5, rarely 3 or 4, 

 or 10 — 12. Pet. free or connate at the base. Stam. as 

 many or twice as many as petals. Oarp. free, same number 

 as petals. Fr. of follicles 136 



S5. Ribesiacem. Sep., pet., and stam. 4 — 5. Ovary in- 

 ferior ; placentas parietal. Style 2 — 4-cleft. Fr. a beriy 139 



36. SaxifragacecB. Cal. 4 — 5-cleft. Pet. 4, 6, or 0, 

 perigynous. Ovary of 2 carpels combined below. Styles 

 distinct 140 



