APPENDIX III. 93 
12. Buckwheat. 
Herbs with alternate leaves; stems with swollen joints that 
are usually sheathed above by stipules; flowers 3-6-merous, 
generally racemed. 
B. Poryretatous (with separate petals). 
13. Portulacca Family. 
Herbs, usually succulent, with 2 sepals and 5 petals; pistil 1; 
ovulary 1-celled, producing a many-seeded pod. 
14. Pink Family. 
Herbs with simple opposite leaves from swollen joints; flow- 
ers 5-merous; stamens usually 10; ovulary 1-celled, but of 
several carpels, and with many seeds on a central placenta. 
15. Water Lily Family. 
Aquatic herbs, usually with large leaves and flowers; 4-6 
sepals, often with many petals and stamens. 
16. Crowfoot Family. 
Herbs mostly; flowers 4-5-merous; stamens many; pistils 
few or many, distinct, generally becoming dry, akenes; 
all the parts separate on the receptacle. 
17. Barberry Family. 
Plants with perfect, regular flowers: anthers opening by 
valves and a single simple pistil, which in fruit becomes a 
berry. 
18. Laurel Family. 
Aromatic shrubs or trees, with commonly clustered flowers. 
19. Poppy Family. 
Herbs with a milky or colored juice; regular or irregular 
flowers; pistil 1-celled with 2 or more parietal placentz. 
20. Mustard Family. 
Herbs with pungent juice ; alternate leaves; 4-merous flow- 
ers with 6 stamens of 2 sorts, and 1 pistil of 2 carpels, 
becoming a pod in fruit. 
21. Pitcher Plant Family. 
Herbs with leaves modified into receptacles to hold water 
and catch insects. 
22. Rose Family. 
Herbs, shrubs, or trees with alternate stipulate leaves, 5- 
merous flowers; stamens many on the calyx; pistils many, 
becoming akenes. 
