✲✲ Not creeping. Awns long and prominent.

A. caninum, Beauv.

(ii) The rounded backs of the glumes are next the rachis.

✲ Spikelets flat and closely sessile in the notches of the rachis.

Lolium.

† Awnless or nearly so. Perennial.

L. perenne, L.

†† With conspicuous awns. Annual, not common.

L. temulentum, L.

There are several cultivated varieties of L. perenne: L. temulentum is notoriously poisonous (see note, p. [168]). The lowermost glume of each spikelet is often alone developed or conspicuous, and looks like a bract in the axis of which the spikelet sits.