. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. Fig. 48.—Barley. A, portion ofleaf at juncture of leaf and blade; B,stem cut in median lengthwise section. X2- (Robbins.) 126 PASTORAL AND AGRICULTURAL EOTANY Sometimes there is only one flower in the spikelet. This may be herma-phrodite, or it may be staminate, or pistillate. Frequently the spikelethas several to many florets all of which are perfect, or the upper floretsmay be imperfect, or sterile, and the lowermost perfect, or vice the flower is represented
. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. Fig. 48.—Barley. A, portion ofleaf at juncture of leaf and blade; B,stem cut in median lengthwise section. X2- (Robbins.) 126 PASTORAL AND AGRICULTURAL EOTANY Sometimes there is only one flower in the spikelet. This may be herma-phrodite, or it may be staminate, or pistillate. Frequently the spikelethas several to many florets all of which are perfect, or the upper floretsmay be imperfect, or sterile, and the lowermost perfect, or vice the flower is represented in the spikelet by one of its subtend-ing scale leaves. The bractlet which subtends the floret is known as thelemma (flowering glume) and the inner scale opposed tq the outer is thepalet, or palea (Fig. 50). Frequently the lemma bears a bristle-likeoutgrowth, or awn, and this may be barbed. In many grasses, the.
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Keywords: ., book, bookcentury1900, bookdecade1920, booksubjectpoisonousplants
