76 SEEDS AND PLANTS IMPOETED, 



43767 to 43783— Continued. 



white flowers are borne in panicles, and the slender pods are often a foot 

 long. (Adapted from notes of Wilson Popenoe, July 16, 1915.) 

 .See also S. P. I. Nos. 40913 and 43761 for furtlier description. 



43778. Operculina tuberosa (L.) Meisn. Convolvulacese. 

 {Ipomoea tuberosa L.) 



A perennial stout-stemmed herbaceous vine, with large, compound leaves 

 and three to six yellow flowers on a long peduncle. Tho entire plant is 

 used as a purgative. It is a native of Brazil. (Adapted from De 

 Lanessan, Les Plantes Utiles des Colonies Francnises, pp. 398 and 567.) 



See also S. P. I. No. 43385 for further description. 



43779. Prosopis chilensis (Molina) Stuntz. Mimosacese. Alg-aroba. 

 (P. juli flora DC.) 



A leguminous tree, with small flowers in little lieads or spikes. The 

 pod is more or less thickened, and the leaves are composed of a large 

 number of leaflets. This tree is a native of Mexico and the West Indies. 

 (Adapted from a Tiote of W. Harris, Kingston, Jamaica, dated April 7, 

 1916.) 



See also S. P. I. No. 42643 for further description. 



43780. SoLANUM TOBVTJM Swartz. Solanaceae. 



A shrub, from 8 to 10 feet in height, or sometimes flowering as an herb. 

 The stems are prickly, and tlie unarmed hairy leaves are 4 inches long and 

 6 inches wide. The white flowers occur in many-flowered i-acemes and 

 are about li inches in diameter. This shrub is distributed throughout 

 tropical America, the Philippines, China, and the Malay Archipelago. 

 (Adapted from Hooker, Flora of British India, vol. 4, p. 234-) 



43781. Tecoma stans (L.) Juss. Bignoniaceas. 



A shrub found in the West Indies and Central America and sometimes 

 cultivated as far south as Argentina. The leaves are composed of 5 to 

 11 pairs of lance-shaped leaflets, and the large yellow flowers occur in 

 terminal panicles. The fruit is a silique, bearing a large number of 

 winged seeds. This shrub is valued as an ornamental, both its flowers 

 and its foliage being very attractive, and it readily adapts itself to many 

 kinds of environment. (Adapted from Lofgren, Notas sohre as Plantas 

 Exoticas Sao Paulo, pp. 195, 196.) 



53782. TiTHoxiA rotundifolia (Mill.) Blake. Asteracese. 

 {Helianthus speciosus Hook.) 



A Mexican sunflower, growing to a height of about 5 feet, with a round 

 stem and rather coarse lobed leaves, which are very susceptible to at- 

 tacks by aphids. The orange-colored flowers of this plant make it very 

 charming. (Adapted from Curtis' s Botanical Magazine, pi. 3295.) 



43783. Tristania conferta R. Br. Myrtacese. 



A tall tree, with smooth, brown, deciduous bark and dense foliage. 

 The alternate leaves are from 3 to 6 inches long, and the rather large 

 flowers occur in 3 to 7 flowered cymes. This tree is a native of Australia, 

 and the timber, which is very strong and durable, is used in shipbuilding 

 and for making wharves and bridges. The bark is occasionally used for 

 tanning. (Adapted from Maiden, Useful,^ alive Plants of Australia, pp. 

 330, 608. 609, and from Bailey, Queen.'iland Flora, part 2, p. 636.) 



