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NATURAL HISTORY. 
The corolla in this class has been called monopetalous ; but as 
the petals are all distinct at the base, it is to be styled more properly 
pentapetalous, notwithstanding the petals cohere by the union of 
the stamina. The orders are eight, viz. 
Okder I. TRIANDR1A, comprehending such plants as have 
three stamina. This order contains three genera, viz. Aphyteja, 
Galaxia, and Hydnora. 
Order II. PENTANDRIA, comprehending such plants as 
have five stamina. This order contains five genera, viz. Waitheria. 
Lerchea, Hermannia, Melochia, and Symphonia. 
Order III. OCTANDRIA, comprehending such plants as have 
eight stamina. Of this order there is but one genus, viz. Aitonia. 
Order IV. ENNEAXDllIA, comprehending such plants as have 
nine stamina. Of this order there is but one genus, viz. Dryandra. 
Order V. DECANDRIA, comprehending such plants as have 
ten stamina. Tins order contains three genera, viz. Conarus, 
Geranium,* and Hugonia. 
Order VI. ENDECANDRIA, comprehending such plants as 
have eleven stamina. Of this order there is only one genus, viz. 
Brownea. 
Order VII. DODECANDRIA, comprehending such plantsas have 
twelve stamina. This order contains only one genus, viz. Pentapetes. 
Order VIII. POLYANDRIA, comprehending such plants as 
have many stamina. This order contains twenty-one genera, viz. 
Bombax, Silk Cotton-tree, Sida, Indian Mallow, Adansonia, zEthy- 
opean Sower Gourd, Althaea, Marsh Mallow, Alcea, Holly-hock, 
or Rose Mallow, Malva, Mallow, Lavatera, Malope, Bastard Mal- 
low, Urena, Indian Mallow, Gossypium, Cotton, Hibiscus, Althea 
Frutex, or Syrian Mallow, Stewartia, Camellia, Morisonia, Mesua, 
Indian Rose-chesnut, Malachra, Gordonia, Gustavea, Corolinea, 
Barringtonia, and Solandra. 
Of the seventeenth Class, Diadelphia. 
This class consists of such plants as bear hermaphrodite flowers, 
furnished with sets of united stamina. The characters of the fruc- 
tification are as follow. 
Characters of the Class Diadelphia. 
CAI,YX. — A perianthium monophyllous, campanulate, and 
withering. The base gibbous the lower part thereof fastened to the 
* The species of this genus varies singularly in the number of stamina 
and other circumstances, viz. from 1 — 22 they have seven fertile stamina, the 
leaves alternate, and many flowers on a peduncle ; from 23 — 35 they have 
seven fertile stamina, and the leaves growing opposite ; from 36 — 15 fire 
fertile stamina, the calyx five leaves, and the fruit declined ; from 46— 6t 
ten fertile stamina, and the two flowers on a peduncle ; from 59—68 ter 
fertile stamina, two flowers on a peduncle, ami the plants annual; froti 
69 — 82 ten fertile stamina, and one flower on a peduncle. 
