JULY, 1906, TO DECEMBER, 1907. 15 



19169 to 19172. 



From Dominica, British West Indies. Presented by Mr. A. Hyatt Verrill. 

 Received September S. 1906. 



19169. Teimezia etjrida. 



19170. Zephyranthes tubispatha. 



19171. Xanthosoma sp. Yautia. 

 A yellow variety. 



19172. Xanthosoma sp. Yautia. 

 A wbite variety. 



19173. Castalia gracilis. 



From Mexico City, Mexico. Received through Dr. J. N. Rose, of the U. S. 

 National Museum, September 6, 1906. 



"(No. 06/1,076.) Nearly spherical roots from 1 to 1 inch in diameter and of 

 a black color." (Rose.) 



19174. Parthenium argentatum. Guayule. 



From Saltillo, Mexico. Presented by Mr. Victor L. Duhaime, American 

 consul, through Mr. David Fairchild. Received August 2S, 1906. 



Seed for use in germination experiments with a view to finding out whether 

 this plant will adapt itself to irrigated or alluvial lands. 



19175. Nephelium longana. Longan. 



From Oneco, Fla. Presented by Mr. E. N. Reasoner. Received September 

 1, 1906. 



Seeds for experiments in raising stock upon which to graft the litchi. 



19178 to 19182. 



From Piracicaba, Sao Paulo, Brazil. Presented by Dr. J. W. Hart, director 

 of the Agricultural College. Received September 1, 1906. 



19178. Hymenaea stignocarpa. 



This tree probably resembles H. courbaril of tropical South America, 

 famous for its valuable, hard, close-grained, heavy timber and its fragrant 

 amber-like resin, known as West Indian copal. In this species the beans 

 are also lodged in a mealy pulp of honey-like taste, which can be used 

 for food. 



19179. LUEHEA SPECIOSA. 



One of a genus of Tiliaceous trees and shrubs with handsome white 

 or rosy flowers borne in terminal panicles or in the axils of the leaves. 



19180. Bauhinia forficata. 



19181. mucuna nivea. 



" Similar to the Florida velvet bean but later and more robust ; pro- 

 duces an enormous growth of vines. The beans grow in long clusters, one 

 to five in a pod ; the clusters sometimes reach a length of 1 meter and 

 contain as high as seventy pods. I have been told that this vine lives 

 for three or four years." (Hart.) 



19182. Nicotiana tabacum. Tobacco. 

 Havana. 



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