28 SEEDS AND PLANTS IMPORTED. 



21961. Panic i m plantagineum Link. 



From Biloxi, Miss. Grown by Prof. S. M. Tracy, season of 1907. Received 

 January, 1908. 



•• Seed from a single plant growing with No. 19158, Natal grass, at Biloxi, 

 Miss, a very promising grass for thai locality." (Piper.) 



21962. Medic ago sativa L. Alfalfa. 



From Mecca, Cal. Presented by Mr. E. Brauckman, through Mr. J. M. 

 Westgate. Received February 20, 1908. 



" Seed from Arabian alfalfa. No. 12992, supposedly crossed with ordinary 

 alfalfa which was grown alongside of it." (Westgate.) 



21963 and 21964. 



From Guatemala. Collected by Prof. TV. A. Kellerman, Ohio State Univer- 

 sity. Columbus, Ohio. Presented through Dr. J. N. Rose, of the United 

 States National Museum, Washington, D. C. Received February 20, 1908. 



21963. Dahlia imperialis Roezl. 



"(Kellerman's No. 7072; Rose's No. 08/17.) Plants of this species 

 found growing 18 feet high." {Kellerman.) 



21964. Beaucarnea guatemalensis Rose. 



"(Kellerman's No. 7029; Rose's No. 08/1G.) Tree G to 12 meters high, 

 with a thickened bulbous base abruptly tapering into a slender stem 5 to 

 8 centimeters in diameter ; the swollen base covered with corky bark 6 

 centimeters thick; upper part of stem smooth, with very thin bark; 

 leaves numerous, slightly roughened on both surfaces, clustered at 

 the top as in the common cultivated Beaucarneas, erect (?), broad at 

 base (40 to 50 millimeters), 10 to 15 millimeters broad above the 

 base and gradually tapering upward into a long filiform top 60 to 80 

 centimeters long, the margin entire: the male inflorescence an open pani- 

 cle, 60 to 90 centimeters long; female inflorescence not seen; fruit 15 

 millimeters long, strongly three winged; wings thin, 4 to 5 millimeters 

 broad. 



" Collected halfway up the side of the Sierra de las Minas, opposite 

 El Rancho, Guatemala. April 10, 1905 (Kellerman's No. 4320). 



"This species belongs with B. inermis and B. pliabilis, but the fruit 

 is broader winged than the former and the leaves are broader than in the 

 latter." (Rose.) 



21965. Trichilia emetica Vahl. 



From Pretoria, Transvaal, South Africa. Presented by Prof. J. Burtt Davy, 

 government agrostologist and botanist, Transvaal Department of Agricul- 

 ture. Received February 24, 1908. 



" This is one of our most ornamental evergreen shade trees, yielding an oil 

 known as ' Maawa.' of which I understand there is some export from Portu- 

 guese East Africa to Marseille." (Dary.) 



21966. Chayota edulis Jacq. Chayote. 



From St. Rose, La. Presented by Mr. Henrv McCall. .Received February 

 24, 1908. 



"A large, smooth, light green and very prolific variety raised in Louisiana, but 

 original source unknown. To be distributed to growers in the South with the 

 object of encouraging its culture for the market." (Fiseher.) 



21967 to 22023. 



From Peking, Chihli, China. Received through Mr. F. N. Meyer, agricul- 

 tural explorer for this Department, at the Plant Introduction Garden, 

 Chico, Cal., February 12, 1908. 

 137 



