TARLE OP GENERA. 
XXXI 
Order III. NYMPH^EACE^E. 
1. Nymph.®A. Calyx greenish without, of 4 sepals. Petals and stamens placed 
upon the base of the ovary. 
2. Nuphar. Calyx yellow, of 5 sepals. Petals and stamens placed upon the 
receptacle. 
Order IY. PAPAYERACEiE. 
1. Papaver. Fruit nearly globular or oblong. Stigma rayed, sessile. 
2. Meconopsis. Fruit oblong. Stigma rayed, with a short style. 
3. Glaucium. Fruit linear. Flowers large, red or purple. 
4. Cuelidonium. Fruit linear. Flowers small, yellow. 
Order Y. EUMARIACE^E. 
1. Fumaria. Fruit a roundish nut, 1-seeded. 
2. Corydalis. Fruit elongated, many-seeded, 2-valved. 
Order YI. CRECIFERE3. 
* Fruit a short pod ( Silicula). 
1. Cakile. Pod angular, compressed, formed of 2 joints; the upper one deci¬ 
duous. Joints l-seeded, the lower sometimes barren. Indehiscent. 
2. Crambe. Pod formed of 2 joints; upper joint globose, deciduous, 1-seeded; 
lower one abortive, like a short footstalk. Indehiscent. 
3. Coronopus. Pod of 2 cells, placed side by side; cells 1-seeded, indehiscent. 
Leaves pinnatifid. 
4. Isatis. Pod linear-oblong, smooth, 1-celled, 1-seeded, laterally compressed; 
the valves keeled, at length separating. 
5. Vella. Pod elliptical, terminating in a flat winged style, twice the length of 
the valves. 
6. Tiilaspi. Pod laterally compressed, emarginate, with the valves winged at 
the back ; cells 2-8-seeded. Petals entire. 
7. Capsella. Pod laterally compressed, obcordate, wedge-shaped at the base; 
valves sharply keeled; cells many-seeded. Petals entire. 
8. Hutchinsia. Pod elliptical, entire; valves keeled at the back; cells 2-seeded. 
Petals entire. 
9. Teesdalia. Pod oval, depressed, indented at the apex; valves keeled; cells 
2-seeded. Calyx deciduous. Petals entire, unequal. Stamens with a scale 
at the base. 
10. Iberis. Pod much depressed, emarginate; valves winged; cells 1-seeded. 
Two outer petals largest. 
11. Lepidium. Pod ovate or cordate ; valves keeled; cells 1-seeded. Petals equal. 
12. Cochlearia. Pod globular or ovate, turgid; cells many-seeded; style per¬ 
sistent. Petals entire. 
13. Subularia. Aquatic, with awl-shaped leaves. Pod oval; style deciduous; 
cells 4-seeded. 
14. Draba. Pod oval or oblong, entire, sometimes twisted; valves flat or slightly 
convex. Seeds numerous in each cell. 
15. Camelina. Pods inflated, subovate, on long stalks; cells many-seeded. Flowers 
yellow. 
16. Koniga. Pod subovate ; valves nearly flat; cells 1-seeded. Leaves entire. 
17. Alyssum. Pod compressed, indented at the apex; valves convex in the middle, 
flat at the edges ; cells usually 2-seeded. Petals notched. 
** Fruit an elongated pod ( Siliqua). 
18. Dentaria. Pods flat, linear, tapering; valves without ribs. Seed-stalks broad. 
Style filiform. Seeds ovate, not bordered, in one row. 
