FESTTTCA.] GRAMINEJE. 449 



slender, lower empty glume small, fl. glumes 5-8 equalling their slender 



awns, stamens 1-3. 



Walls, sandy and gravelly pastures ; ascending to near 1,000 ft. in Yorkshire : 

 fl. June. Root fibrous. Stems 6-18 in., very slender, leafy, glabrous, lower 

 setaceous ; upper sheaths long, terete, grooved, smooth ; ligule very short. 

 Panicle 4-10 in. , strict or flexuous, very narrow, opaque or shining, glabrous 

 or pubescent, rachis and branches angular, smooth or scaberulous ; lower 

 branches appressed ; upper very short. Spikelets with the awns ^-| in., 

 cuneate when expanded, axis smooth ; empty glumes subulate ; fl. glumes 

 distant, terete, almost subulate, narrowed into the slender awn ; nerves 

 obscure. DiSTRiB. Europe, N. Africa ; introd. in N. America. 



Sub-sp. MYU'RUS proper ; slender, upper sheath exceeding the stem and often 

 the long slender panicle, lower empty glume shorter than the upper. 

 F. pseudo-myurus, Koch. VAR. ambig'ua, Le Gall (sp.) ; upper empty 

 glume 3-6 times as long as the lower. I. of Wight. 



Sub-sp. SCIUROI'DES, Roth (sp. ) ; stem naked above, panicle more open, lower 

 branches slender, lower empty glumes twice as long as the upper. F. 

 bromoides, Sm. 



7. F. uniglu'mis, L. ; panicle or spike short, branches very short, lower 

 empty glume minute or 0, fl. glumes 4-10 shorter than the awns, flowers 

 2-3-androus. 



Sandy sea-coasts, from Lancaster and Norfolk to Devon and Kent ; E. of 

 Ireland, local and rare ; fl. June-July. Root fibrous. Stem* 4-10 in., bent 

 below, slender, glabrous. Leaves setaceous, short ; upper sheaths large, 

 inflated ; ligule short, auricled. Panicle 1^-2 in., oblong, unilateral, pale 

 green, shining, rachis smooth ; lower branches 2-nate. Spikelets with the 

 awns f-1 in., almost subulate; fruiting cuneate; pedicels short, stout; 

 axis smooth ; empty glumes with subulate tips or awns, upper 3-nerved. 

 broadly hyaline ; fl. glumes distant, very narrow, strongly nerved, scabrid, 

 terete below, compressed above, gradually narrowed into the subulate awn ; 

 ovary glabrous. DISTRIB. W. Europe from Belgium, France, and Spain, 

 S. and E. to Turkey, N. Africa. 



34. BRO'MUS, L. BROME GRASS. 



Spikelets sub terete or laterally compressed, panicled or racemed, 5- or 

 many-fld. Empty glumes 2, shorter than the lowest fl. glume, unequal, 

 coriaceous, acute, awnless ; lower smaller 1-3-nerved ; upper 3-9-nerved. 

 Fl. glumes convex or keeled, 5-7 -nerved, tip entire or 2-fid. Palea 2-fid, 

 nerves ciliate. Scales entire. Stamens 3, rarely 2. Ovary hairy at the 

 top, styles short, inserted below the top, stigmas feathery. Fruit linear, 

 grooved, oblong, adherent to the palea. DISTRIB. Temp, and cold cli- 

 mates ; species 50. ETYM. The old Greek name for the Oat. 



SECTION 1. Schedono'rus, Fries. Lower empty glume 1-nerved, upper 

 3-nerved. Fl. glumes, distant, narrow, convex below, keeled and com- 

 pressed above, 5-nerved, awn terminal. Styles lateral on the ovary. 

 * Keels of palea pubescent only. Fl. glumes spreading in flower, erect in fruit. 



1. B. as'per, Murr. ; leaves flat and sheaths hairy, panicle secund nod- 

 ding, fl. glumes 5-8 twice as long as the awn. 



Damp woods, hedgebanks, &c., from Elgin and Cantire southwards ; ascending 

 o a 



