303 

 Glycyrrhiza echinata, L. 



South Europe and Orient. Prom the root of this herb at 

 least a portion of the Italian Liquorice is prepared. The 

 root is thicker than that of the following. The Russian 

 Liquorice root is derived from this species. It is less 

 sweet. 



Glycyrrhiza glabra, L. 



South Europe. The extract of the root of this herb consti- 

 tutes the ordinary Liquorice. The plant grows here most 

 vigorously. The liquorice is of some utility in medicine, 

 but also used in Porter Breweries. Chemical principle : 

 Griycyrrhizin. 



Gossypium arboreum, L.* 



The Tree-Cotton. India, Arabia. A tall perennial species, 

 but not forming a real tree, yielding cotton in the first 

 season already. Leaves long-lobed. Bracts with few teeth. 

 Petals yellow or in age pink or purple. Seeds brown, dis- 

 connected, after the removal of the cotton-fibre greenish- 

 velvety. The cotton of long staple, but a variety occurs 

 with short staple. The New Orleans Cotton ( G. sanguineum, 

 Hassk.,) belong to this species. Dr. Seemann connects also 

 the ordinary G. herbaceum, L., as a variety with G. arboreum. 

 The cotton-fibre is crisp, white, opaque, and not easily 

 separable. 



Gossypium Barbadense, L.* 



West India. Sea Island Cotton. Leaves long-lobed. 

 Petals yellow. Seeds disconnected, black, after the removal 

 of the cotton-fibre naked. The cotton of this species is very 

 long, easily separable and of a silky lustre. This species 

 requires low-lying coast tracts for attaining to perfection. 

 Perennial, and yielding like the rest a crop in the first 

 season. Cultivated largely in the Southern States of North 

 America, also in South Europe, North Africa, Queensland 

 and various other countries. 



Gossypinm herbaceum, L * 



Scinde, Cabul and other parts of tropical and sub-tropical 

 Asia, much cultivated in the Mediterranean countries. 



