(_b_) Spike cylindrical, of sessile or nearly sessile awned spikelets, densely crowded round the axis, the whole resembling a fox’s brush or cat’s tail. Species of _Lagurus_, _Polypogon_, _Phalaris_ (not truly awned), _Panicum_ (with bristles between the spikelets), and _Gastridium_ are other British grasses approaching this type of inflorescence: they are all rare or very local. _Sesleria_ has an ovoid spike, but the spikelets are two-flowered and not truly awned. _Kœleria_ may present resemblances, but the spikelets are very different in detail (see p. 109). (i) _Awns inserted into the back of the single palea, and hair-like. Glumes connate below, keeled. Only one palea._ +Alopecurus.+ * _Annual corn-weed, with a long and slender spike, pointed above. Glumes almost glabrous, and connate to the middle._ _A. agrestis_, L. ** _Perennials, with shorter and stouter spikes, rounded above. Glumes connate at the base only, and obviously hairy on the keel._ † _Procumbent and kneed at the nodes below. Spike 1-2 inches long. In marshy places._ _A. geniculatus_, L. †† _A meadow-grass, with erect stems, and spikes 2-3 inches or more and stouter._ _A. pratensis_, L. The rare _A. alpinus_, Sm. with short ovoid spikes, about one inch long, only occurs in the Highlands. (ii) _Awns, when present, merely the stiff, pointed termination of the keel. Glumes free below. Paleæ two._ * _A glaucous shore plant with long creeping stolons (sand-binder). Inflorescence harsh, 5--6 inches long. Glumes tapering, simply acute._ _Psamma arenaria_, Beauv. _Elymus_, a much rarer sand-binder of similar habit, may lead to confusion until the 3--4 flowered spikelets and different arrangement are observed. (See p. 108.) _Agropyrum repens_ (var. _junceum_) is similar in habit and station, but its spikes and spikelets are very different (see p. 107). _Phleum arenarium_ is much smaller (see below). ** _Erect. Inflorescence rarely longer than three inches. Spikelets flat: glumes keeled, the keel suddenly produced into a sharp stiff awn or mucronate point. Paleæ two._ +Phleum.+ † _Tall perennial meadow-grass. Awn bristle-like, almost as long as the nearly glabrous glume: spike long, cylindrical._ _P. pratense_, L. †† _Small, compact annual shore plant, with the glumes acute only and the keel ciliate above. Inflorescence not more than 1--1-1/4 inch long._ _P. arenarium_, L.