50 KEY TO PLANTS. 
(0) Plants of a green colour, nearly always 
provided with perfect leaves. Perianth 
imbricate in the bud. Stamens 5. Style 
lor 0. Stigmas several. 
Chenopodiaceae. 
91 (a) Ovules 2-4, 92. 
(6) Ovules 6 or more. 93. 
92 (a) Stamens as many as_ perianth-segments, 
3-6. Ovules suspended from the top of 
a central placenta. Seeds albuminous. 
Santalaceae. 
(6) Stamens twice as many as _ perianth- 
segments, 8-10. Ovules suspended from 
the top of the cell. Seeds exalbuminous. 
Tropics and South Africa. Combretaceae. 
93 (a) Leaves stipulate. Shrubs or trees. 
Flowers moncecious. Ovary imperfectly 
several-celled, with 2 ovules in each cell. 
Seeds exalbuminous. Cupulrferae. 
(5) Leaves exstipulate. Shrubs or trees, with 
dicecious or hermaphrodite flowers, or 
more frequently herbs. Ovary imper- 
fectly several-celled, with more than 2 
ovules in each cell, or perfectly one- 
celled. Seeds albuminous. 94. 
94 (a2) Plants destitute of green colour. Leaves 
reduced to scales, or wholly wanting. 
