EXOGEN^E MONOCHLAMYDEJE. 



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solitary, erect or suspended ; stigma simple. Fruit, a nut. 

 Embryo with or without albumen ; radicle always superior. 



Division 1. Urticea. Flowers loose. Juice watery. 



TYPICAL GENERA. Urtica, Parietaria. 



I. Branch of Procris splendens. 2. Cluster of male and female flowers. 3. A 

 male flower about to expand. 4. The same expanded. 5. A nut of hemp. 6. A 

 vertical section of it. 7. A vertical section of the ovary of Dorstenia. 8. An acci- 

 dental double pistil of the same. 



Division 2. Artocarpea. Flowers consolidated. Juice 

 milky. 



TYPICAL GENERA. Morus, Artocarpus. 



USES. The leaves of Hemp are narcotic ; and the Upas, 

 (Antiaris toxicaria,) certain kinds of Fig, and many Nettles, 

 are dangerous narcotico-acrid poisons. The deleterious prin- 

 ciple is, however, so little developed in some that they be- 

 come harmless, and are used for food, as the fruit of the 

 common Fig, the Mulberry, the Bread-fruit, (Artocarpus,) and 

 several others. Even the milky juice, which is generally 

 very acrid, is bland in some cases, especially that of the 

 Cow-tree of Equinoctial America, on which the natives feed ; 

 it always abounds in Caoutchouc, which is obtained in large 

 quantities from many kinds of Fig. The Banyan-tree of India 

 is Ficus indica. The toughness of fibre found in Hemp 

 is also common in other species, especially some nettles and 



