British grasses and their employment in agriculture . Fig. 29. Seed of Agro-pyrum repens. x 5. Frontview. lu,, - > Fig. 30. Seed of Agro-pyrum caninum. x and front views. this species varies very much.) Auricles prominent, narrow andpointed; springing from greenish-white triangular areas at baseof blade. Ligule very short, blunt and finely fringed. Abundantin Britain, and a most troublesome weed on cultivated ground. Flowers about July; flowering culms \\ to 3 feet high;inflorescence spikate. Spikelets in two rows, with the edges of ch. vn] Botanical Description of Species 53 the pal
British grasses and their employment in agriculture . Fig. 29. Seed of Agro-pyrum repens. x 5. Frontview. lu,, - > Fig. 30. Seed of Agro-pyrum caninum. x and front views. this species varies very much.) Auricles prominent, narrow andpointed; springing from greenish-white triangular areas at baseof blade. Ligule very short, blunt and finely fringed. Abundantin Britain, and a most troublesome weed on cultivated ground. Flowers about July; flowering culms \\ to 3 feet high;inflorescence spikate. Spikelets in two rows, with the edges of ch. vn] Botanical Description of Species 53 the palea? turned towards the main axis, which is tough andnotched. Spikelets of 4-5 flowers. The empty glumes are nearlyequal, and 4-5 nerved. Seeds- boat-shaped, 7-12 mm. long; outer palea with aprominent dorsal nerve; rachilla stout, cylindrical, smooth (orsometimes hairv), widening above, with a concave apex. (Fig. 29.).
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, booksubjectgr
