. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. ); B and C, XS- (Robbins.) perianth segments of ordinary monocotyledons, such as the lily, are repre-sented by three (bamboos), two (most grasses), or a single small bodyknown as a lodicule, or a squamula. It is the swelling of these lodiculeswhich causes the separation of lemma from palet permitting the anthersand styles to emerge. A floret without lodicules never opens. Thestamens of the grasses have long filaments and anthers, which are reallyadnate, but by the growth of the


. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. ); B and C, XS- (Robbins.) perianth segments of ordinary monocotyledons, such as the lily, are repre-sented by three (bamboos), two (most grasses), or a single small bodyknown as a lodicule, or a squamula. It is the swelling of these lodiculeswhich causes the separation of lemma from palet permitting the anthersand styles to emerge. A floret without lodicules never opens. Thestamens of the grasses have long filaments and anthers, which are reallyadnate, but by the growth of the anther lobes below the point of attach-ment of the filament and the final swinging of the anther in the wind, thewhole arrangement strongly suggests the versatile anther. Most grasses ECONOMIC IMPORTANCE OF GRASSES 127. Fig. 51.—Timothy (Phleum pratense). A, single spikelet; B, spikelet with glumesremoved; C, pistil. (Robbins.)


Size: 2086px × 1198px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., book, bookcentury1900, bookdecade1920, booksubjectpoisonousplants