xlii 
KEY TO THE NATURAL ORDERS. 
ment. Stamens 6, the two outer shorter. Seeds exalbuminous. — Herbs, with 
alternate leaves (page 6). 
VII. Capparidacese. Ovary 1 -celled; placentas 2-4, parietal. Stamens many. 
Seeds exalbuminous. — Herbs or shrubs, with alternate leaves (page 8). 
Moringacete. Ovary 1-celled ; placentas 3, parietal. Stamens 10, 5 without 
anthers. Seeds exalbuminous. — Shrubs, with alternate compound leaves (page 9). 
V iolaceje. Flowers irregular, spurred. Ovary 1-celled; placentas 3, parietal ; 
seeds albuminous. Stamens 5. — Herbs or shrubs, with alternate stipulate leaves 
(page 10). 
VIII. Bixacese. Flowers regular. Ovary 1-celled; placentas 1 or more, 
parietal ; seeds albuminous. Stamens definite or indefinite. — Trees or shrubs, with 
alternate simple leaves (page 10). 
IX. Fittosporacese. Flowers regular. Ovary 1-celled ; placentas 2-3, parietal ; 
seeds albuminous. Stamens 5. — Shrubs, with alternate entire leaves (page 12). 
X. Caryophyllacese. Ovary 1-celled ; placentation free-central ; seeds albu- 
minous. Stamens definite. — Herbs, with tumid nodes and opposite sessile entire 
leaves ^page 13). 
XI. Hypericacese. Stamens many, polyadelphous ; anthers 2-celled. Ovary 
3-5- celled ; placentation axile ; styles distinct ; seeds exalbuminous. — Shrubs or 
herbs, with opposite entire leaves (page 14). 
XII. Guttiferse. Sepals imbricate or decussate. Stamens many, free or con- 
nate; anthers 2-celled. Ovary 1- or many-celled ; placentation axile; style 0 or 
short ; seeds exalbuminous. — Trees or shrubs with opposite entire leaves and yellow 
juice (page 15). 
XIII. Ternstrcemiaceae. Sepals imbricate. Stamens many, free or connate; 
anthers 2-celled. Ovary 2- or many-celled ; placentation axile ; styles distinct ; 
seeds usually exalbuminous. — Trees or shrubs, with simple usually alternate leaves 
(page 16). 
XIV. Dipterocarpese. Sepals imbricate, usually accrescent. Stamens definite 
or indefinite ; anthers 2-celled. Ovary usually 3-celled ; placentation axile ; style 
entire; seeds exalbuminous. — Trees or shrubs with alternate entire coriaceous 
leaves (page 17). 
XV. Malvaceae. Sepals valvate. Stamens many, monadelphous ; anthers 
reniform, 1-celled. Ovary many-celled; placentation axile ; styles distinct at the 
top. — Herbs or shrubs, with alternate leaves (page 17). 
XVI. Sterculiacese. Sepals valvate. Stamens many, monadelphous ; anthers 
2-celled. Ovary usually 5-celled ; placentation axile ; styles distinct. — Trees or 
herbs, with alternate leaves (page 26). 
XVII. Tiliacese. Sepals valvate. Stamens many, free ; anthers 2-celled. 
Ovary 2-5-celled ; placentation axile ; styles usually distinct at the top. — Trees or 
shrubs with alternate leaves (page 31). 
* * Torus usually expanded into a more or less conspicuous disk. 
XVIII. Iiinacese. Stamens 10, joined at the base. Ovary 3-5-celled ; ovules 
1-2, pendulous ; styles distinct. Fruit a drupe or septicidal capsule.— Herbs or 
shrubs, with alternate stipulate simple leaves (page 33). 
Malpighiaceas. Stamens 5, some often imperfect. Ovary usually 3-celled; 
