APRTI. I TO .\r.VY 31, 1020. 89 



50626 to 60634— Continued. 



■ There are miniGroii,s varieties <if oil ])alms along the West Alrioan Cda.st ex- 

 tendiiio; S'lmetimoa for a distance of J0() or ll>5 kilometers. In 1909 the palm 

 treoH in West Africa nnxliu'ed more than lOO.OOO tons of oil and 2oO.()()0 ton.s 

 .of palm kernels, and yet this is only a part, perhaps a third, of the amount 

 Bihn\ othat Africans could supply, allowing aJ)0ut another tliinl, whicli is required 

 hy the natives for food. (A<lapted from Th^' Monlhhi lUilhtin nf AqricuHuml 

 Jnb'Uigenre ond I'innt Dinvhacs, vol. ■'.. p. ■!I4.) 



For previous introduction, sec W. P. I. Xo. m():?:5. 



50635 to 50647. 



From Nanking, Kiangsn, China. Seeds presented by .John 11. Reisner, Univer- 

 sity of Nanking. Received April 9, 1920. Ijuoted notes hy Mr. Reisner. 

 50335. Aleuuitks fordii Hemsl. Euphorbiacese. Tung-oil tree. 



'"From (huchow, Anliwei, north of Yangtze.'' 

 For previous introduction and description, see S. P. I. No. 1 Kiiil. 

 50636 and 50637. CucUMis SATivus L. ('ucurl)itacea?. Cucumber. 



50636. " Chinese long green." 50637. '' Chwcxc lo)u/ irhilr.'' 



50638. (ii.EDiTsiA siNTKNSis Lam. Ciesalpiniaceie. 



■'A handsome Chinese tree known as 'Tsao-k'o shu,' alnindant throughout 

 the Yangtze Valley up to :i,500 feet altitude. It grows BO to 100 feet tall and has 

 a thick trunk, smooth gray hark, a spreading head with massive branches, 

 small pinnate leaves, and inConspicuotis greenish flowers. The latter are fol- 

 lowed by }>ods or 'beans, ' which, when ripe, are black, (5 to 14 inches long and 

 three-fourths of an inch to li inches wide. These pods are broken up and are 

 in general use for ordinary laundry work, ])roducing a good lather in either hot 

 or cold water. They are also used in the jn-ocess of tanning hides. The sapon- 

 aceous fat is contained in the pod itself, which is the only part utilized, the hard, 

 flattened brown seeds being discarded." (Wilson, A Naturalist in We>ite.in 

 China, vol. .^ p. 71.) 



For previous introduction, see S. P. I. No. 45803. 

 50639 and 50610. ITf.u.\nthus .\nnuus L. Asteracea\ Sunflower. 



50639. ' • Black seeded. ' ' 50640. ' • White seeded. ' ' 



60641. .JuGLANS REGiA L. J uglaudacese. Walnut. 



"From Pochow, Anhwei, China." 



50642. KoELREUTERiA APicuLATA Rehd. and Wils. Sajnndaceap. 



A tree, 3 to 12 meters high, with a dense, spreading head and dark -gray bark- 

 liearing bipinnate leaves, 18 to 35 centimeters long, and erect terminal many- 

 flowered panicles of yellow flowers which are sometimes used to make a yellow 

 dye for cotton cloth and silk faVwics. Native to China. (Adapted from Sargent, 

 Plantae Wilsonianae, vol. 2, />. Idl .) 



50643. RiciNus COMMUNIS L. Euphorbiace^e. Castor-bean. 

 "Castor beans." 



50644. SpiNAC'iA OLERACEA T;. Clu'n<>])odiacefe. Spinach. 

 "Chinese early long leaf." 



50645. Stim.ingia sebifera (L.) Michx. Eupliorhiaceae. 



"A long-lived tree, 40 to 50 feet high, which occurs in all the warmer partB 

 of China and is remarkable for the beautifid autumnal tints of its foliage. It 

 yields the valuable Chinese vegetable tallow of commerce. In Hupeh, where 



