. Bulletin. Gramineae -- United States; Forage plants -- United States. 46 once distinguished from any of the forms of perennial Rye-grass hy 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 germinative power is 70 per cent. The germinative power dimin- ishes rapidly with the age of the seed. One pound of seed contains on an average 285,000 grains, and the weight jier bushel varies, according to the quality, from 16 to 24 pounds. Thiee l)U8hel8 of seed of ave
. Bulletin. Gramineae -- United States; Forage plants -- United States. 46 once distinguished from any of the forms of perennial Rye-grass hy 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 germinative power is 70 per cent. The germinative power dimin- ishes rapidly with the age of the seed. One pound of seed contains on an average 285,000 grains, and the weight jier bushel varies, according to the quality, from 16 to 24 pounds. Thiee l)U8hel8 of seed of average quality are reijuired for sowing an acre of land. The current price in the New York market is $10 jier 100 pounds. No. 133. LoUum pereniie Linn. Perennial Rye-grass. Perennial Kye-grass has l)een cultivated iu England for more than 200 years, and is therefore one of the oldest if not the very lirst 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 hea\y soils in moist climates it is especially valuable, and under such conditions is largely used iu mixtures for permanent pastures. It is a good hay grass where the conditions are favorable, l)ut in this country will never be so highly esteemed as Timothy. There are several Aarieties of jierennial Rye-grass recognized by agriculturists. Pacey's Perennial, a vigoious form, is one of these. The average pu- rity of ])erennial Kye-grass seed is given at 95 per cent, and the germinative power at 75 per cent. Good commercial seed should grade higher tiiau this. One pound of pure seed contains o
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