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PLATE I

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24.d.

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London. Published by Thomas Tegg, 13 Cheupside, August 1.1826.

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The orders of the first thirteen classes are distinguished by the number of the styles; of the fourteenth by the nature of the fruit, which is what the Linnæan botanists call 'naked seeds' in the first, and covered' in the second; of the fifteenth by the length of the pericarpium; of the sixteenth, seventeenth, eighteenth, twentieth,

CLASSES.

1. MONANDRIA 2. DIANDRIA

3. TRIANDRIA

4. TETRANDRIA

5. PENTANDRIA

6. HEXANDRIA

7. HEPTANDRIA

8. OCTANDRIA

9. ENNEANDRIA 10. DECANDRIA

11. DODECANDRIA 12. ICOSANDRIA

13. POLYANDRIA 14. DIDYNAMIA

twenty-first, and twenty-second, by the number or situation of the stamens; of the nineteenth by the relative sexes of the florets of the disk, and ray of the capituli; of the twenty-third by the sex of the flowers; and of the twenty-fourth by such general characters as are used in discriminating genera. The following is a

TABLE OF THE ORDERS.

NUMBER and NAMES of the ORDERS.
2 Monogynia, Digynia.

3 Monogynia, Digynia, Trigynia.
3 Monogynia, Digynia, Trigynia.
3 Monogynia, Digynia, Tetragynia.

6 Monogynia, Digynia, Trigynia, Tetragynia, Pentagynia, Polygynia.
5 Monogynia, Digynia, Trigynia, Tetragynia, Polygynia.
4 Monogynia, Digynia, Tetragynia, Heptagynia.

4 Monogynia, Digynia, Trigynia, Tetragynia.

3 Monogynia, Trigynia, Hexagynia.

5 Monogynia, Digynia, Trigynia, Pentagynia, Decagynia.
5 Monogynia, Digynia, Trigynia, Pentagynia, Dodecagynia
5 Monogynia, Digynia, Trigynia, Pentagynia, Polygynia.

7 { Monogynia, Digynia, Trigynia, Tetragynia, Pentagynia, Hexagynia,
2 Gymnospermia, Angiospermia.

Polygynia.

15. TETRADYNAMIA 2 Siliculosa, Siliquosa.

16. MONADELPHIA
17. DIADELPHIA
18. POLYADELPHIA

S Triandria, Pentandria, Octandria, Enneandria, Decandria, Endecandria, 8 Dodecandria, Polyandria.

4 Pentandria, Hexandria, Octandria, Decandria.

4 Pentandria, Dodecandria, Icosandria, Polyandria.

6 {

Polygamia æqualis, Polygamia superflua, Polygamia frustranea, Polygamia necessaria, Polygamia segregata, Monogamia.

2 Monandria, Diandria.

19. SYNGENESIA

20. GYNANDRIA

21. MONCCIA

22. DICCIA

15

23. POLYGAMIA

24. CRYPTOGAMIA

11

Monandria, Diandria, Triandria, Tetrandria, Pentandria, Hexandria,
Heptandria, Polyandria, Monadelphia, Syngenesia, Gynandria.
Monandria, Diandria, Triandria, Tetrandria, Pentandria, Hexandria,
Octandria, Enneandria, Decandria, Dodecandria, Icosandria, Poly-
andria, Monadelphia, Syngenesia, Gynandria.

3 Monœcia, Diœcia, Triccia.
4 Filices, Musci, Algæ, Fungi.

NATURAL SYSTEM.

263. The following is the arrangement of the
natural orders of plants adopted by the most mo-
dern botanists of reputation. The basis of it is the
system of B. Jussieu, published, in 1789, by
his nephew Anthony Jussieu; but so many
alterations and additions have been consequent
upon the
of modern science, that it has
progress
at present only a distant resemblance to its
original. The best works to be consulted upon
the natural system are, for British plants, Hooker's
Flora Scotica; for general botany, the Regni
Vegetabilis Systema Naturale of De Candolle,
the Prodromus Systematis Naturalis Regni Vege-
tabilis of the same author, the Nouveaux Elémens
de la Botanique of Richard, the Théorie Ele
mentaire de la Botanique of De Candolle, &c.
There is at present (June, 1826) no English
work upon the subject of the natural arrange-
ment of plants which deserves to be consulted.

TABLE OF THE NATURAL ORDERS OF PLANTS,
ARRANGED IN A LINEAR SERIES.

I. VASCULAR OF COTYLEDONOUS.

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DICOTYLEDONEOUS, or EXOGENOUS. (Vessels
arranged in concentric layers, of which the
youngest are exterior Cotyledons opposite
or whorled.)

COMPLETE. Calyx and corolla, both present.
1. POLYPETALOUS.
Petals hypogynous.

a. Carpella numerous, or stamens opposite the
petals.

i. Ranunculaceæ.

1. Clematideæ.

2. Anemoneæ.

3. Ranunculeæ.

4. Helleboreæ.
5. Pæoniaceæ.

ii. Dilleniaceæ.

1. Delimeæ.
2. Dilleneæ.
iii. Magnoliaceæ.

1. Illicieæ.
2. Magnolieæ.

iv. Anonaceæ.
v. Menispermacea.
1. Lardizabaleæ.
2. Menispermeæ.
3. Schizandreæ.

vi. Berberideæ..

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ix. Papaveraceæ. x. Fumariaceæ. xi, Cruciferæ.

1. Arabideæ.

2. Alyssineæ.
3. Thlaspideæ.
4. Euclidieæ.
5. Anastaticeæ.
6. Cakilineæ.

7. Sisymbreæ.
8. Camelineæ
9. Lepidineæ.
10. Isatideæ.

11. Archonieæ.
12. Brassiceæ.
13. Velieæ.
14. Psychineæ.
15. Zilleæ.
16. Raphanex.
17. Buniadeæ.
18. Erucarieæ.
19. Heliophileæ.
20. Subularieæ.
21. Brachycarpex.

xii. Capparideæ.

1. Cleomeæ.
2. Cappareæ.

xiii. Resedaceæ.

xiv. Flacourtianeæ.

1. Patrisieæ.

2. Flacourtieæ.

3. Kiggelaries.

4. Erythrospermeæ.

xv. Bixineæ.

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4. Burseraceæ. 5. Amyrideæ. 6. Pteleaceæ.

7. Connaraceæ.

lxiii. Leguminosa
1. Sophoreæ.
2. Loteæ.

3. Hedysareæ.
4. Vicies.

5. Phaseoleæ.

6. Dalbergieæ. 7. Swartzieæ.

8. Mimoseæ.

9. Geoffreæ.

10. Cassier.

11. Detarieæ.

Ixiv. Rosaceœ.

1. Chrysobalaneæ.

2. Amygdaleæ.
3. Spiræaceæ.
4. Neuradeæ.
5. Dryadeæ.
6. Roseæ.

7. Pomaceæ.

lxv. Salicaries.

lxvi. Tamariscina.

lxvii. Melastomacea.

Ixviii. Myrtaceæ.

lxix. Combretaceæ. lxx. Cucurbitaceæ. lxxi. Passifloreæ. lxxii. Loaseæ. lxxiii. Onagrariæ. lxxiv. Ficoideæ. lxxv. Paronychiæ. ixxvi. Portulaceæ. lxxvii. Cacteæ.

ixxviii. Grossulaceæ.

lxxix. Crassulaceæ. lxxx. Saxifrageæ. lxxxi. Cunoniaceæ. Ixxxii. Umbelliferæ.

1. Hydrocotylineæ. 2. Bupleurineæ. 3. Pimpinelleæ. 4. Smyrnieæ. 5. Caucalineæ.

6. Scandicineæ.

7. Ammineæ. 8. Selineæ.

lxxxiii. Araliaceæ.

Ixxxiv. Caprifoliaceæ.

lxxxv. Lorantheæ.

lxxxvi. Hamamelideæ.

lxxxvii. Rubiaceæ.

lxxxviii. Operculariæ. lxxxix. Valerianeæ.

xc. Dipsaceæ. xci. Calycereæ. xcii. Compositæ.

1. Lactuceæ. 2. Carlineæ. 3. Centaurieæ.

4. Carduineæ. 5. Echinopseæ. 6. Arctotideæ.

7. Calenduleæ.

8. Tagetineæ. 9. Heliantheæ.

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