Congressional Serial Set Volume 4726 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 Excerpt: ...of the species which do this work have been exceedingly scarce; consequently but little evidence of its work can now be found in the sapwood and outer heartwood of living trees. Therefore, there is no remedy for the eld work, and probably no need of trying to combat an insect which is apparently becoming extinct The only thing to do in a case oi; this kind is to fell and utilize to the best advantage the injured trees, and thus give the younger uninjured trees a better opportunity for rapid growth. Fio. 43.--Brood gallery of Columbian timberbeetle in sapwood of white oak: A, inner bark; B, sapwood; C, heartwood; 06, brood chamber. (Adapted from author's illustration.) MACARONI WHEAT. By James H. Shepahd, Chemist, South Dakota Experiment Station. VARIETIES AND COUNTRIES OB" COMMERCIAL PRODUCTION. Macaroni wheat is known botanically as Triticum durum, to distinguish it from ordinary bread wheat or Triticum vidgare. There are many varieties of macaroni wheat. Whether these all originated from one parent stock is not known, but such a supposition is not improbable. The durum wheats are grown in widely separated localities, and it is quite probable that long cultivation under certain climatic influences has tended to emphasize such varietal distinctions as are now exhibited by these wheats. The durum wheats are grown commercially in certain localities in Spain, Italy, Algeria, India, Russia, and Argentina; and one variety, the Wild Goose, in Canada. In the United States some varieties, such as the Wild Goose and the Arnautka, have been grown in a desultory manner for a number of years. The small amount produced was grown mostly in the Northwest, but owing to insufficient information as to its properties and uses and to a lack of a regularly established mark...