28 
A COMPENDIUM OF 
Stamens 5. Pod or berry, many seeded. 
Flowers not quite regular. Style, entire. 
Scrophulariacee. 
Flowers quite regular. Stamens all 
alike. Solanacee. 
Stamens 5. Pods with few large seeds. 
Twining herbs. Convolvulacee. 
3.—Stamens always fewer than the lobes 
of the calyx, or corolla, 2-4. Corolla more 
or less irregular, mostly 2-lipped. Ovary 
4-lobed, making 4 akenes. Stems square ; 
leaves opposite, aromatic. Labiatez. 
Ovary and pod 2-celled, with many large 
and winged seeds. Ovary and fruit ir- 
regularly 4-5 celled, with many large 
seeds, Bignoniacez. 
Ovary and pod 2-celled, with many or 
few small seeds, Scrophulariacez. 
Corolla, regular. Stamens only 2. 
Corolla 4-lobed, or 4-parted. Shrubs or 
trees. Oleacez. 
Division III.—Apetalous: Corolla, none; 
the floral envelopes being in a single 
series (calyx), or sometimes wanting al- 
together, 
A, Flowers not in aments, or catkin-like, heads, 
1. Seeds many in each cell of the ovary 
or fruit. Calyx with its tube coherent 
with the 6-celled ovary. Aristolochiacez. 
