GRA3TI\K/E. 423 



2. T. CANINUM, L. Awned Wheat-grass. 



Hoot fibrous, not creeping ; spikelets 4 or 5-flowcred ; glu7nes 3-nervcd ; rachis 

 bri.-tly on the edged; avm longer than the smooth flower. 



Woods and banks, introduced. July. Culm 2 to 3 feet high. Leaves flat, rough* 

 ish on both sides. 



Sec. ii. Triticum proper. Annuals. Glumes orate-oblong and yentricose doac- 

 sha; t'd. 



3. T. sativum, L. Wheat. 



Culm rouud, smooth, with the interuodes somewhat, inflated; stipules truncate; 

 tpiki parallel, somewhat 4-sided; spikelets crowded, broad-orate, about 4-flowered ; 

 aivvs of the upper paleae generally longer than the flowers. Annual and Biennial. 

 This is the most valuable plant of the order, and is universally cultivated. Manj 

 varieties are known to farmers. 



32. LOLIUM, Linn. Darnel. 



The ancient Latin name. 



Spikelets many-flowered, solitary, and placed edgewise 

 5>n the continuous rachis. Inner glume mostly wanting. 

 Lower paleae lanceolate, mucronate or with a short bristle 

 at the tip ; upper one 2-beaked. — Spike simple : rachis not 

 jointed. 



1. L. perenne, L. Common Darnel. Rye-grass. 



Glume much shorter than the spikelet; /lowers 6 to 9, awnkss, sometimes awn- 

 pointed. 



Meadows and fields: naturalized. June. Per. Culm 1 to 2 feet high, smooth. 

 Leaves tanoe linear, smooth, shining. Spikelets 12 to 20, alternate, forming a spike 

 about inches long. A good pasture grass. 



2. L. temulentum, L. Bearded Darnel: 



Glume fully equalling the 5 to 7-flowered spikelet; awn longer than the flower. 



Old fields. July. Aim. Calm about 2 feet high, terete. Leaves lance linear, 

 roiu'h on the margins. Spi\elets much compressed. The seeds are said to be 

 poisonous. Introduced from. Europe. 



32. ELYMUS, Linn. Lyme-grass. Wild Rye. 



Gr. Elymos, a Lull, also an ancient name for some grain. 



Spikelets 2 to 4 at each joint of the rachis, all fertile, 

 each 2 to 7-flowered ; the uppermost flower imperfect. 

 Glumes nearly side by side in front of the spikelets, rarely 

 wanting. PalevE coriaceous, the lower rounded on the 

 back, usually awned at the apex. — Ryedi/ce grasses, %9ith 

 simple spikes. 



1. E. Virginicus, L. Wi 7 d Rye. 



Spike rigidly upright, dense and thick, on a short peduncle usually included In 

 the sheaths; spikelets 2 or 3 togethar, 2 or 3 flowered, smooth, short-awned ; glumet 

 lanceolate, strongly nerved. 



