216 SYSTEMATIC SOTANT. 



Pole Bean (Pliaseolus vulgaris), Field Bean (P. nana), Lima 

 Bean (P. lunatus), all from Asia. The Peanut {Arachia 

 hypogcea) is a native of South America ; its peduncles, after 

 fertilization of the yellow flowers, have the curious habit 

 (as if for protection) of bending down and thrusting the 

 young pods into the ground, where they ripen. Among 

 the many forage plants may be mentioned the Red Clover 

 (JFrifolium pratense), White Clover (T. repens). Lupine 

 (Lupinus albus), Lucerne (J\Iedicago sativa), Sanfoin ( Ono- 

 brycJiis sativa). Vetch (_Vioia sativa), all from countries adja- 

 cent to the Mediterranean region. The timber trees include 

 the Locust-tree of the United States (Robinia Pseudaeada) ; 

 the Rosewood of Brazil (Dalbergia nigra) and of India 

 (JD. latifolia) ; the Mora-tree of Guiana (Dimorphandra 

 Mora) ; the Honey Locust of the United States {Oleditschia 

 triaeanihos) ; Kentucky Coffee-tree (^Gymnocladvs Cana- 

 densis) ; Acacia melanoxylon of Australia (considered 

 equal to the best walnut) ; Lydloma Sabieu of Cuba, etc. 

 Dyes yielded by members of this family are Indigo, from 

 Indigofera tinctoria of India ; Red Sandalwood, or chips, 

 from Pterocarpus santaUnus; Brazil-wood, from Ccesalpina 

 echinata of Brazil ; and Logwood, from Hcematoxylon Cam- 

 pechianum of Central America. The gums deserving men- 

 tion are Gum-Tragacanth from Astragalus tragacantha, 

 etc., of Asia; Gum-Kino from species of Pterocarpus of 

 India and Africa; Balsam of Peru and Balsam of Tolu 

 from species of Myroxylon of Central and South America ; 

 Gum-Copal from species of Trachylobium and Hymenma of 

 Africa and Madagascar ; Copaiva Balsam from Brazilian 

 species of Copaifera; and Gum-Arabic, or Acacia, from 

 Asiatic and Africa species of Acacia. Medicinal products 

 are the roots of Glycyrrhiza glabra (Liquorice) and the 



