JVlf^E 1 to SEPTEMBER 30, 1920. 



57 



51107 to 51109. 



From Buenos Aires, Argentina. Seeds presented by Benito Carrasco, direc- 

 tor, Botanic Garden. Received July 12, 1920. 



51107. AsPiDosPERMA PEROBA Said. Gama. Apoeynaeeae. 



This tree, whose wood is used in naval construction, has a thin, clear 

 ash-colored bark, cracked longitudinally; a decoction of the inner bark 

 is used medicinally. The heartwood is of rare beauty, with a wavy 

 pattern. The tree is distinguished by its spreading, obovate-oblong, 

 undulate leaves. (Adapted from Saldanha da Gama, Configuracdo des- 

 cripcdo de todos os orgdos fundamentaes das principaos madeiras . . . da 

 Provincia do Rio de Janeiro, vol. 1, p. lJ/0.) 



For previous introduction, see S. P. I. No. 42324. 



51108. GoMPHREXA ROSEA. Griscb. AmaranthacefB. 



An herbaceous perennial, erect or ascending, found in stony situations 

 in Cordoba, Argentina. The leaves are lanceolate and rather short, and 

 the pinkish flowers are borne in a terminal head. (Adapted from 

 Grisehach, Plantae Lorentzianae, p. 32.) 



For previous introduction, see S. P. I. No. 33966. 



51109. Petunia violacka Lindl. Solanaceae. Petunia. 

 This petunia is a native of Buenos Aires, Argentina. With its dark- 



gi-een oval leaves and profusion of purple flowers which api^ear from ' 

 August to October in its native habitat, it forms a most attractive orna- 

 mental plant. (Adapted from Edwards' Botanical Registei', pi. 1626.) 



51110. AELurvOPUS BREviFOLius (Koen.) Nees. Poacese. Grass. 



From Cairo, Egypt. Seeds presented by Dr. R. H. Forbes, Societe Sul- 

 tanienne d'Agriculture. Received September 8, 1920. 



" A dwarf creeping grass with dense globose flower clusters, grawing in 

 saline soil both on the seacoast and inland from the Mediterranean coasts to 

 Afghanistan and India. The species is very variable, with both glabrous and 

 pubescent forms. Duthie in 'The Fodder Grasses of Northern India,' says 

 of it : ' It is characteristic of saline tracts in the western parts of India, where 

 it appears to take the place of dub {Cynodon dacfylon), which it somewhat 

 resembles in habit.'" (C. V. Piper.) 



Introduced for testing as a lawn grass under alkaline conditions. 



51111^ A'i?THKpnoRA PUBESCEN3 Nees. Poacese. Grass. 



From Pretoria, Transvaal. Seeds presented by Sydney Steub, Division of 

 Botany, Department of Agriculture. Received August 24, 1920. 

 " Considered one of the best pasture grasses in parts of Bechuanaland 

 where it grows." (Agricultural Journal of South Africa, vol. S, No. 17, p. 1S5.) 



51112. Xantiiosoma SAon'TAEFOLiuM(L.)Schott. Aracese. Yautia. 



From Buitenzorg, Java. Tubers presented by Dr. J. C. Koningsbergei , 

 director, Botanic Garden. Received September 18, 1920. 

 "Received under the varietal name romah, which, according to a previous 

 introduction (S. P. I. No. 17238) is a Colocasia." {R. A. Young.) 



