Archive image from page 94 of A dictionary of the flowering. A dictionary of the flowering plants and ferns . dictionaryofflow00will Year: 1919 BE TULA 79 and the mangold-wurzel. The plant is a biennial and stores reserves in the root, the non-nitrogenous materials taking the form of sugar. The sugar-beet is largely cult, in W. Eur. for its sugar, a for- midable rival to the older industry of cane sugar. The sugar-contents of the roots have been continually improved by selection, and now frequently represent over 2O°/0 of the weight. Germany grows ii million tons of beet sugar annually, and o
Archive image from page 94 of A dictionary of the flowering. A dictionary of the flowering plants and ferns . dictionaryofflow00will Year: 1919 BE TULA 79 and the mangold-wurzel. The plant is a biennial and stores reserves in the root, the non-nitrogenous materials taking the form of sugar. The sugar-beet is largely cult, in W. Eur. for its sugar, a for- midable rival to the older industry of cane sugar. The sugar-contents of the roots have been continually improved by selection, and now frequently represent over 2O°/0 of the weight. Germany grows ii million tons of beet sugar annually, and other countries about another 3 millions. [Herzog, Monographic der Zucker-riibe, Ham- burg, 1899.] The garden beet is a favourite vegetable; the mangold is valuable for feeding cattle, &c. The 1. are sometimes eaten like spinach. Betckea DC. = Plectritis DC. (Valerian.). Betel-nut, Areca Catechu L.; -pepper, Piper Betle L. Betonica (Tourn.) Linn. =Stachys Tourn. (Labial.). Betony, Stachys. Betula (Tourn.) L. Betulaceae (2). 38 N. temp., arct. B. alba L., the birch, is common in Brit, and reaches to the N. limit of trees, which is occupied by B. nana L., a creeping shrubby form, in much of the N. temp. zone. The winter buds are scaly, the scales representing stips. : the outer two or three pairs of them have no 1. Witches' brooms are very commonly to be seen as dense tufts of twigs. Trees with catkins of fls. The <? calkins are laid down in autumn as large buds at the end of the year's growth, ihe ? furlher back, on B. alba. A, bract, bracteoles, and perianth, of $, from within, with sta. re- moved ; B, a stamen ; C, floral diagram of A ; D, bract, bracteoles and fls. of ? from within; E, the same with fls. removed ; /•', the same at ripeness of seed ; G, floral diagram of D. b = bract; a. /3 = bracteoles of fl. i, or bracts of fls. 2, 3. After Eichler. leafy branches. In the axil of each 1. of the catkin there are 3 fls. (cf. other genera of B.). The bracts of the later
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