. Bulletin. Gramineae -- United States; Forage plants -- United States. 46 once (listingnished from any of the forms of perennial Rye-grass by its awned or bearded spikelets. Adulterations of the seed of Italian Rye-grass are rare, owing to its relative cheapness. The average purity of commercial seed is 95 per cent, while the gcrminative power is 70 per cent. The germiuative iiower dimin- ishes rapidly with the age of the seed. One pound of seed contains on an average 285,000 grains, and the weight per bushel varies, according to the quality, from 16 to 24 pounds. Three Ijushels of seed of av
. Bulletin. Gramineae -- United States; Forage plants -- United States. 46 once (listingnished from any of the forms of perennial Rye-grass by its awned or bearded spikelets. Adulterations of the seed of Italian Rye-grass are rare, owing to its relative cheapness. The average purity of commercial seed is 95 per cent, while the gcrminative power is 70 per cent. The germiuative iiower dimin- ishes rapidly with the age of the seed. One pound of seed contains on an average 285,000 grains, and the weight per bushel varies, according to the quality, from 16 to 24 pounds. Three Ijushels of seed of average quality are required for sowing an acre of land. The current price in the New York market is $10 per 100 pounds. No. 133. Lolium perenne Linn. Perennial Rye-grass. Perennial Rye-grass has been cultivated in England for more than 200 years, and is therefore one of the oldest if not the very first grass gathered and cultivated separately for agricultural purposes. It is indig- enous to Europe, North Africa, and western Asia, and was many years ago introduced into this country from England. Here it has never been so highly esteemed as in England, where the soil and climate appear to be especially well adapted to its growth. Moist and rich loams or clays are the soils best suited to it. as with Italian Rye- grass, it responds promptly to the application of quick manures. For pastures on heavy soils in moist climates it is especially valuable, and under such conditions is largely used in mixtures for permanent pastures. It is a good hay grass where the conditions are favovable, but in this country will never be so highly esteemed as Timothy. Thtre are several varieties of perennial Rye-grass recognized by agriculturists. Pacey's Perennial, a vigorous form, is one of these. The average pu- rity of perennial Rye-grass seed is given at 95 per cent, and the germinative power at 75 per cent. Good commercial seed should grade higher than this. One pound of pure seed contains on an a
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