DICOTYLEDONSS. xliii 
24. Rliamnacew. Fl. greenish. Stam. opposite the 
petals and inserted with them in a disk lining the calyx. 
—Shrubs 83 
25. Leguminosce. Fl. coloured, irregular, papiliona- 
ceous ; odd petal superior and external. Stam. 10, di- or 
rarely monadelphous. Fruit a legume 83 
26. Rosacecf. Fl. regular; odd petal inferior. Stam. 
usually many, perigynous. Carp, distinct when young, 
and superior, or connate, or adnate to calyx (falsely 
syncarpous and inferior) 104 
27. Lythracece. Cal. tubular. Pet. and stam. peri- 
gynous. Ovary free, syncarpous. Style l..». 141 
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 142 
29. Onagracece. Cal. adnate to ovary, with 2 — 4 lobes. 
Pet. 2—4. Stam. 2, 4, or 8. Style 1 143 
30. HaloragacecB. Cal. adnate to ovary, with a minute 
limb. Pet. minute or 0. Stam. 1 or 8. Styles 1 — 4. — 
Aquatic. Fl. usually unisexual. {Callitriclie, p. 371, is 
often placed here.) 147 
31. Cucurhitacece. Dioecious (in our plant). Cal.-tube 
adnate to ovary. Stam. 5, resembling 3 by cohesion. 
Climbing by tendrils 148 
32. PortulacecB. Cal.-tube short ; sep. 2. Pet. connate 
or free. Stam. 3 — 5, free. Ovary 1-celled ] placenta free, 
central 148 
33. Paronychiacew. Cal. 5-parted. Pet. minute resem- 
bling barren filaments, or none. Stam. 5, or rarely 10. 
Ovary free 149 
34. CrassulacecB. 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. Carp, free, same 
number as petals. Fr. of follicles , 151 
35. RibesiacecB. Sep., pet., and stam. 4 — 5. Ovary in- 
ferior ; placentas parietal. Style 2 — 4-cleft. Fr. a berry. 154 
36. Saxifragacece. Cal. 4 — 5-cleft. Pet. 4, 5, or 0, 
perigynous. Ovary of 2 carpels combined below. Styles 
distinct 155 
