GRASS FAMILY. 473 



in each spikclct , the uppermost generally imperfect ; seed loose, propor- 

 tionally hiruc, rough-wrinkled ; glumes and palets pointless. 



£. /Egypt)aca, Ters. K(;yptian Grass. Yards and fields, chiefly a 

 weed, S. ; creeping over the ground, low ; spikes dense and thickish ; 

 glumes tlatt'iied laterally and keeled, one of them awn-pointed, the 

 lower one awned. Both from the (Jld World. 



Agropyrum repens, Heauv. Coucii, Quack, Quitch, or Quick Grass. 

 Spreads amazingly by its vigorous, long, running rootstocks, is a pest 

 in cultivated iields, and is too coarse and hard for a meadow grass ; 

 2^-3° high ; many forms, introduced from Eu. ; spikelets 4-8-flowered ; 

 flowering glume either pointless or short-awned ; glumes a pair to the sin- 

 gle spikelet, right and left at each joint of the rhachis. 2/ 



-I- H- Spikelets in a contracted panicle or seemivg spike, or if spiked some- 

 what on one side of the rhachis ; each with a sinole, j:)erfect flower, its 

 palets of coriaceous or cartilaginous texture ; by the side of it are either 

 one or two thin glumes of a sterile, usuallij neutral flower. 



-M- One or many slender bristles at the base of each spikelet. 

 Setdria glaOca, Beauv. Foxtail, Pigeon Grass. In stubble and cul- 

 tivated gnuuids, low ; spike tawny yellow, dense ; long bristles 6-11 in a 

 cluster, ruugli upwards ; perfect flower wrinkled crosswise. Ya\. 



S. viridis, Beauv. Green Foxtail, Bottle Grass. Has less dense and 

 greener spike, fewer bristles, rough upwards, and perfect flower striate 

 lengthwise. Eu. Common. ® Thought by some to be the parent of 

 Hungarian Grass (see III.). 



S. vertlcilldta, Beauv. Spike cylindrical and pale green, vrith appar- 

 ently whorkd spikelets or clusters ; bristles single or in pairs and rough 

 downwards. Eu. Not common. (T) 



■*-<- ++ No bristles at the base of the spikelets. 

 Pdnicum sanguindle, Linn. Finger Grass or Crab Grass. Chiefly a 

 weed in cult, fields ami about yards in late summer and autumn, but use- 

 ful in thin grounds S. for hay ; herbage reddish ; spikes 4-15, slender, 

 digitate, nearly 1-siiled ; spikelets seemingly 1-flowered, the upper empty 

 glume half the length of the flower, the lower one small ; Eu. 



P. glabrum, (iaudin. More prostrate and lower ; spikes 2-(i, widely 

 spreading ; upper empty glume equaling the flower, but the lower one 

 almost wanting. Waste lands, commonest S. Eu. 



P. Crus-g&lli, Linn. Cock'sfoot, Barnyard Grass. Common, weedy 

 grass of barnyards and low, rich groiuids ; coarse, with rather broad leaves, 

 and numerous, seeming spikes along the naked sunnnit of the flowering 

 stems, often forming a sort of panicle ; spikelets with one fertile and one 

 sterile flower, the glume of the latter bearing a rough awn. Eu. 



Phdiaris Canariens/'s, Linn. Canary Grass. Cult, from E>u. for 

 canary seed, and running wild in some waste places ; l°-2'^ high, with 

 the panicle contracted into a sort of oblong si)ike ; the glumes with wing- 

 like keels ; and a little scale or rudimentary, sterile flower at the base. 

 H- H- H- Sjiikclets 1—5, inclosed in a globular and spiny bur or involucre. 

 C^nchrus tribuloides, Linn. Buu Grass, Hedgehog Grass. A low, 

 spreading grass along the seashore and Great Lakes, and in sandy places ; 

 spike composed of 8-20 spherical, prickly heads or burs which detach 

 easily and adhere to clothing. 



VL Ornamental Grasses, regularly cultivated in gardens. 

 * Annual (or biennial) grasses grown for use in dried flower bouquets, or 

 one cult, for cnriosit'j. {Feather Grass, in * * « may be sought here.) 

 -1- Spikelets compact and mostly large, oblong or ovate-shaped, hanging. 

 Brbmus unio/oldes. HHK. (Ceratochi.oa i>ENi>ri.A). Bather stout 



