64 KEY TO PLANTS. 
hermaphrodite. Calyx 5-lobed. Petals 
5, hypogynous, imbricate. Disc 0. Style 
5-partite. Plumbagineae. 
(6) Stamens as many as and alternate with the 
petals, or fewer, or more numerous than 
the petals.* Leaves exstipulate. Fila- 
ments free, more rarely adnate to the 
disc. Trees or shrubs. Disc usually 
present. Styles usually 3. Albumen 
thin or wanting. Anacardiaceae. 
34 (a) Leaves opposite. 35. 
(6) Leaves alternate or (all) radical. 36. 
35 (a) Segments of the calyx imbricate in aesti- 
vation. Ovules attached to a basal or 
central placenta. Herbs or undershrubs. 
Seeds albuminous. Caryophylleae. 
(6) Segments of the calyx induplicate-valvate 
in aestivation. Ovules attached to 
several parietal placentas. Herbs or 
undershrubs. Leavesexstipulate. Stamens 
4-6, hypogynous. Style 2-4-fid. Albumen 
mealy. Frankeniaceae. 
36 (a) Petals hypogynous. Shrubs or trees. 
*So also in some Lineae with only 1 fertile and 2-3 
rudimentary ovary-cells. They have stipulate leaves, 5 
petals furnished with a ligule on their inner face, 10 
stamens connate at the base, and no disc. 
