. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. grasseswith a tufted habit due to theintravaginal method of branch-ing. Perennial rye grass maypersist two or more years, whileItalian rye grass rarely lasts morethan two years. The axis of in-florescences of the perennial ryegrass is smooth with the severalflowered spikelets set solitarily inalternate notches of the axis of inflorescence with the edges of ,.,,,, . , Pig. 58.—Perennial rye grass {Lolium each spikelet placed agamst the perenne). {After Ball, Carleton R.: Winterr
. Textbook of pastoral and agricultural botany, for the study of the injurious and useful plants of country and farm. grasseswith a tufted habit due to theintravaginal method of branch-ing. Perennial rye grass maypersist two or more years, whileItalian rye grass rarely lasts morethan two years. The axis of in-florescences of the perennial ryegrass is smooth with the severalflowered spikelets set solitarily inalternate notches of the axis of inflorescence with the edges of ,.,,,, . , Pig. 58.—Perennial rye grass {Lolium each spikelet placed agamst the perenne). {After Ball, Carleton R.: Winterrachis, so that the inner glume borage Crops for the South, Farmers Bulletin. , , . ^, , 1 . 147. 1902, p. 21.) is lackmg. Ihe outer glume is rigid exceeding the lower florets (Fig. 58). The lemma of each floretis awnless, while in the Italian rye grass the lemma is provided withan awn. The foliage of the ItaHan rye grass is more abundant and theplant grows considerably taller. Sowing and Adaptation.—Both species produce seed abundantly andgermination of commercial seed is about 75 per cent. There are 336,000. 142 PASTORAL AND AGRICULTURAL BOTANY seeds of perennial rye grass per pound and 285,000 of Italian rye farmer sows about 50 pounds of seed per acre, when sown alone, butthe perennial rye grass is usually sown in mixture with other grass rye grass is adapted to moist regions with mild winters. Itsucceeds best on loam and sandy loose soils being adapted for hay pur-poses and may be cut several times during the growing period. It canstand considerable drought, but it is not a suitable grass for districts wherethe summer is dry and hot, and hence, it will never assume any import-ance in the prairie regions. Belonging to the same group is the tares of the Bible, or bearded darnel,Lolium teniulenlum, adventive from Europe but rare in grain fields andwaste places.
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Keywords: ., book, bookcentury1900, bookdecade1920, booksubjectpoisonousplants
