The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . A, leaf of Butterwort (Pinguicula vulgaris) with left margin in-flected over a row of small flies. (After Darwin.) B, glands fromsurface of leaf (X300) by which the sticky liquid is secreted and bymeans of which the products of digestion are absorbed. this way the plant obtains nitrogenous food by means of itsleaves. The leaves bear two sets of glands, the larger borne onusuaUy unicellular pedicels, the smaller almost sessile (fig. B).When a fly is captured, the viscid excretion becomes stronglyaci


The encyclopdia britannica; a dictionary of arts, sciences, literature and general information . A, leaf of Butterwort (Pinguicula vulgaris) with left margin in-flected over a row of small flies. (After Darwin.) B, glands fromsurface of leaf (X300) by which the sticky liquid is secreted and bymeans of which the products of digestion are absorbed. this way the plant obtains nitrogenous food by means of itsleaves. The leaves bear two sets of glands, the larger borne onusuaUy unicellular pedicels, the smaller almost sessile (fig. B).When a fly is captured, the viscid excretion becomes stronglyacid and the naturally incurved margins of the leaf curve stiUfurther inwards, rendering contact between the insect and theleaf-surface more complete. The plant is widely distributed inthe north temperate zone, extending into the arctic zone. BUTTERY (from O. Fr. boterie. Late Lat. botaria, a placewhere Uquor is stored, from butta, a cask), a place for storingwine; later, with a confusion with butter, a pantry or store-room for food; especially, at coUeges at Oxford and Cambridge,the place wher


Size: 1711px × 1461px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910