APRIL 1 TO JUNE 30, 1921. 69 



53611. Citrus grandis (L.) Osbeck. Rutacese. 



(C. dccumana Murr.) 



From Guayaquil, Ecuador. Seeds presented by Dr. Frederic W. Goding, 

 American consul general. Received May 26, 1921. 



"A native Ecuadorian fruit, kiiown locally as toronjti, wliicli lia.s the ap- 

 pearance of a mammoth orange nearly as large as a medium-sized human head. 

 The arrangement of the interior of the fruit resembles that of the orange, but 

 the color is salmon and the taste an acid bitter similar to but more pronounced 

 than that of the ordinary grapefruit, for which it is being used as a substitute 

 in Ecuador. 



" Were this fruit properly cultivated, so as to lesson the coarseness of its 

 pulp, it would be prized as a food and would present an attractive appearance 

 on the table." (Coding.) 



53612 and 53613. 



From Siam. Seeds collected by J. F. Rock, Agricultural P^xplorer of the 

 Department of Agriculture. Received June 15, 1921. Quoted notes by 

 Mr. Rock. 



53612. AiMSTOLOCHiA ACUMINATA Lam. Aristolochiacefe. 



" Collected between Raheng and Mesawt, Siam, in the rain forest at 

 Pang Ma Kham Pom, 2-days' journey from Raheng, December 18, 1920. 

 A vigorous vine, climbing over shrubs and trees. No tlowers seen." 



53613, Cassia fistula L. Csesalpiniacete. 



" Seeds collected from trees growing wild near Palut, in dry forests 

 with Strychnos, Lagerstroemia, and teak, between western Siam and 

 Lower Burma on the way from Raheng to Mesawt, December 17, 1920. 

 It is a medium-sized tree in these dry forests and is semideciduous in 

 the winter. The yellow flowers are produced in long pendent racemes." 



For previous introduction, see S. P. I. No. 32316. 



53614. Tabernaemontana doknell-smithii Rose. Apocynaceae. 



From the city of Guatemala, Guatemala. Seeds presented by Sr. Jorge 

 G. Salas, Direccion General de Agricultura. through Sr. Francisco Villa- 

 corta, Guatemalan consul general in New York. Received June 29, 1921. 



" Seeds from a large tree which produces the goma de cojon of commerce." 

 (Salas.) 



A large shrub 10 to 20 feet high, occurring in Guatemala from the coast up 

 the slopes of the volcanoes to altitudes of 5,000 feet. The natives call it cobol 

 (varnish gum). The thin oblong leaves are 3 to 8 inches long, and the large 

 yellow salver-shaped flowers are in few-flowered cymes. (Adapted from The 

 Botanical Gazette, vol. 18, p. 206.) 



53615. Eragrostis tremula Hochst. Poacese. Grass. 



From Gizeh, Egypt. Seeds presented by Thomas W. Brown, director, Min- 

 istry of Agriculture, Horticultural Section. Received June 30, 1921. 



An annual, tufted grass, found throughout the Tropics, with a.scending or 

 erect stems up to 3 feet in height and light-green, flat leaves tapering to a long 

 point. (Adapted from Muschler, Mamial Flora of Egypt, vol. 2, p. 125.) 



53616. RoLLiNiA emarginata Schlecht. Annonacese. Araticuy. 



From Horqueta, Paraguay. Seeds presented by Thomas R. Gwynn, 

 through the American consul, Asuncion, Paraguay. Received June 23, 

 1921. 



" Chiri/nwuia. A large fruit, extremely aromatic ; the seeds are full of oil." 

 ( Oioynn. ) 



For previous introduction, see S. P. I. No. 25528. 



