48 KEY TO PLANTS. 
fleshy albumen and an axile embryo. 
Leaves stipulate. Asia, America, Aus- 
tralasia. Saxifrageae. 
83 (a) Ovary 1-celled, sometimes incompletely 
(1) several-celled. 84. 
(2) Ovary completely several-celled. ot 
84 (a) Ovule 1.* 85. 
(2) Ovules 2 or more. 91. 
85 (2) Stamens as many as, and alternate with 
the perianth-segments. Perianth corol- 
line. Flowers in heads, which are rarely 
reduced to a single flower. Perianth 
gamophyllous, valvate. Stamens 5, in- 
serted on the tube of the perianth. 
Anthers coherent. Compositae. 
(6) Stamens as many as, and opposite to the 
perianth-segments, or fewer, or more 
numerous. Perianth calycine or want- 
ing. 86. 
86 (a) Leaves stipulate. 87. 
(0) Leaves exstipulate. 88. 
87 (a) Leaves opposite. Micropyle and radicle 
inferior. Male flowers spicate, destitute 
*In Loranthaceae and Cupuliferae the ovules are usually 
not to be distinguished from the substance of the ovary 
during the flowering period. The former have 1 style 
and 1 ovule, the latter 2 or more styles and ovules. 
