BOTANICAL ABSTRACTS 



A monthly serial furniahing abstracts and citations of publications in the internAtidild field of 



botany in its broadest sense. ^ 



UNDER THE DIRECTION OF 



THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. 



J. R. Schramm, Editor-in-Chief 

 Cornell University, Ithaca, New York 



Vol. X DECEMBER, 1921 No. 2 



ENTRIES 383-858 



AGRONOMY 



C. V. Piper, Editor 

 Mary R. Burr, Assistant Editor 



(See also in this issue Entries 436, 437, 438, 518, 524, 531, 576, 580, 704, 717, 718, 751, 769, 



793, 797, 799, 856, 858) 



383. Anonymous. Chinese peanut oil, Pharm. Jour. 106: 262. 1921. — The extraction of 

 the oil from Arachis hypogaea is carried out in Kwantung province, China, as follows: The 

 washed dried fruits are passed through a large rice husking mill, the seeds are separated over 

 coarse rattan sieves, and reduced to a meal in narrow mortars with huge stone pestles. The 

 meal is steamed in shallow wooden tubs over a boiling cauldron and pressed in a large hollowed 

 tree trunk, an enormous pressure being obtained against the packed meal by the use of wooden 

 wedges. The oil as received is clear and ready for use. — E. N . Gathercoal. 



384. Anonymous. Landwirte. Sammelt Eure Erfahrungen fiber die neueingeffihrten 

 schottischen und irischen Kartoffelsorten, [Farmers, collect your experiences with the new 

 Scotch and Irish potatoes.] Oesterreich. Zeitschr. Kartoffelbau P: 21-22. 1921. — Instead of 

 3 varieties only of English potatoes which were originally to be imported, 22 have been sent 

 many of which are immune to the wart disease. The official potato commission plans to 

 obtain comprehensive data as to the value of each new variety as compared with the old 

 Austrian sorts. — F. Weiss. 



385. Anonymous. Statistical data compiled by the Bureau of Crop Estimates 1863-1920. 

 U. S. Dept. Agric. Dept. Circ. 150. 64 p. 1921. 



386. Agelasto, A. M. Linters. U. S. Dept. Agric. Dept. Circ. 175. 10 p. 1921.— 

 Cotton fiber known as "linters" is composed of short hairs removed not by gins, but by a 

 process used at the oil mills in cleaning and preparing seed for crushing. The character, 

 length of fiber, production, handling, sampling, selling, and commercial values are 

 discussed. — L. R. Hesler. 



387. Bippart, E. Vertilgung von Wildhafer. [Extermination of wild oats.] Illus. 

 Landw. Zeitg. 41: 228. 1921. — This plant (Avena fatua L.) is an important weed, chiefly on 

 heavy clay soils rich in calcium. It is often a serious pest in beet fields and in fields of spring 

 grain. As the wild oat plant is killed by autumn frosts, it is not found in fields of winter 

 grain except in spots in which the stand is poor. Since the seed of wild oats germinate at lower 



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BOTANICAL ABSTRACTS, VOL. X, NO. 2 



