Nature and development of plants . e of spike. At base two sterile bracts, abovethree flowers, each enclosed by an outer firm bract and an inner moredelicate bract. /, lodicules. At apex of spike a sterile flower. 5, anotherspecies of grass, showing the scattering of the microspores. eating that the plants are anemophilous. The ovary containsa single ovule. The manner of flowering of the numerousgenera of this order varies. In many cases the stigmas arefirst extruded from the bracts and can therefore only be crossedwith the microspores from some earlier flowering plant. Inother instances, stig
Nature and development of plants . e of spike. At base two sterile bracts, abovethree flowers, each enclosed by an outer firm bract and an inner moredelicate bract. /, lodicules. At apex of spike a sterile flower. 5, anotherspecies of grass, showing the scattering of the microspores. eating that the plants are anemophilous. The ovary containsa single ovule. The manner of flowering of the numerousgenera of this order varies. In many cases the stigmas arefirst extruded from the bracts and can therefore only be crossedwith the microspores from some earlier flowering plant. Inother instances, stigmas and anthers are extended together andin some genera no injury results from the transfer of the micro-spores to the stigmas of the same flower. It is worth any ones 376 THE GRAM IN ALES time to note the time of flowering, the region on the spike whereit begins and the manner of opening of the bracts and extensionof anther and stigma. Many open between 6 and 7 A. M. onpleasant days. Owing to the swelling of the lodicules, or, of.
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