658 
PHANEROGAMS. 
there are only two, one anterior and one posterior. Ovary almost always single and 
polycarpellary, inferior or superior, unilocular or multilocular. 
I. GamopetalaB or Sympetalse. 
The petals united at the base into a tube or cup ; corolla never wanting. 
A. Anisocarpce. The number of whorls or of members of the whorls is never 
larger than the typical number ; calyx or some of the stamens sometimes abortive ; 
carpels usually only two, one anterior and one posterior, or three and united into a 
single ovary ^. 
a. Hypogynse. 
Order 1. TubifloraB. 
Famihes: i. Convolvulaceae (including Cuscuteae), 
2. Polemoniaceae, 
3. Hydrophyllaceae, 
4. Boragineae, 
5. Solanaceae. 
Order 2. Labiatiflorae. 
Families: i. Scrophulariaceae, 
2. Bignoniaceae, 
3. Acanthaceae, 
4. Gesneraceae, 
5. Orobancheae, 
6. Ramondieae, 
7. Selaginese, 
8. Globulariaceae, 
9. Plantagineae, 
10. Verbenaceae, 
11. Labiatae. 
Order 3. DiandrsB. 
Families: i. Oleaceae, 
2. Jasminiaceae. 
Order 4. Contortae. 
Families: i. Gentianaceae, 
2. Loganiaceae, 
3. Strychnaceae, 
4. Apocynaceae, 
5. Asclepiadeae. 
b. Epigynae. 
Order 5. Aggregatae. 
Families: i. Rubiaceae, 
2. Caprifoliaceae, 
3. Valerianaceae, 
4. Dipsacaceae. 
Order 6. Synandrae. 
Families: i. Cucurbitaceae, 
2. Campanulaceae, 
3. Lobeliaceae, 
^ The orders are arranged mainly after Braun and Hanstein. 
