free or slightly united below, generally with an 
hypogynous scale (nectary) at the base of each. 
Ovules usually oo ; plac. sutural. Fr. a group of 
follicles. Seeds with little endosperm. 
Tillcea, Sedum, Sempervivum, Cotyledon, [Cras- 
siUa, Bryophyllum, Echeveria.'j 
Family 42. SAXIFRAGACK^. Herbs or shrubs. 
Lea. usually spiral, rarely stipulate. Inflor. cymose 
or racemose. Flow, cyclic, g , actinomorphic, peri- 
to epi-gynous. Per. usually double. Sep. 4 — 5. 
Pet. 4 — 5, usually imbricate, rarely o. Sta. 8 or 10, 
generally obdiplostemonous, occasionally 5. Carp, 
usually 2, + united, rarely (3 — 5), with the same 
number of styles; ovary with i or 2 cells, rarely 
more (inferior in Ribes, + inferior in some other 
sp.) ; ovules 00, anatropous; plac. parietal or axile. 
Fr. of follicles, or a capsule or berry. Seeds endo- 
spermous. 
Saxifraga, Chrysosplenium, Parnassia, Ribes, 
^Astilbe, Tiarella, Heuchera, Tobniea, EscaU 
Ionia, Philadelphus , Deutzia, Hydrangea.'] 
[Platanack^. Trees, with bark scaling ofi every 
year in large patches. Lea. spiral, lobed, with 
large connate stipules, base of petiole forming a cap 
for the bud. Flow, cyclic, i-sexual, monoecious, in 
small spherical pendulous heads. Per. inconspicu- 
ous. Sta. 3 — 4. Carp. 4, free, each with i or 2 
almost orthotropous pendulous ovules. Fr. a group 
of caryopses. Seeds almost exendospermous. 
Platanus.] 
Family 43. ROSACEAJ. Herbs, shrubs or trees. 
Lea. spiral, stipulate. Inflor. cymose or racemose. 
Flow, cyclic, nearly always ^ and actinomorphic, 
peri- to epi-gynous. Per. usually double. Sep. 
22 
