498 GR AMINES. [FESTUCA. 



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, rachilia 

 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. 



F. MYU'ROS proper ; slender, upper sheath exceeding the stem and often the 

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

 pseudo-myu'ros, Koch. From York (ascending 1,000 ft.) southd. F. 

 ambiy'ua, Le Gall, is shorter, with upper empty glume 3-6 times as long as 

 the lower, stamen 1. I. of Wight, Suffolk, Norfolk, Dorset. 



Sub-sp. F. SCIUROI'DES, Roth; stem shorter naked above, panicle shorter 

 more open, lower branches slender, lower empty glumes twice as long as 

 the upper. F. bromoi'des, Sm. N. to Caithness. 



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

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

 ilowers 2-3-androus. VuVpiou membmna'cea, Link. 



Sandy sea-coasts, from Lancaster and Norfolk to Devon and Kent ; S. Wales ; 

 E. Ireland, local ; Channel Islands ; fl. June-July. Root fibrous. Stems 

 4-10 in., bent below, slender, glabrous. Leaves setaceous, short ; upper 

 sheaths large, inflated ; ligule short, auricled. Panicle l|-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 ; rachilia 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 

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



SECTION 4. Catapo'dium, Link (gen.). Annual, rigid. Spikelets 

 sessile or subsessile alternate on a simple or branched flat (not excavate) 

 rachis. Fl. glumes subacute or mucronate. 



8. F. rig'ida, Kth. ; branches of panicle distichous with 3-5 subsessile 

 spikelets, fl. glumes 7-10 acute, nerves faint. Gflyce'ria, Srn. ; Sclerochlo'a, 

 Link. 



Dry rooks, walls, &c., from Ross southd. ; Ireland ; Channel Islands; fl. June. 

 Often purple, glabrous, smooth. Root fibrous. Stem 3-6 in. Leaves in- 

 volute, subsetaceous ; sheaths terete, grooved ; ligule oblong. Panicle 1^- 

 2 in., strict ; rachis broadly channelled, edges scabrid. Spikelets J in., 

 rarely solitary (then spiked); pedicels short, stout, ^-terete; fl. glumes 

 quite terete, shining, smooth. DISTRIB. W. and S. Europe from Holland 

 southd., Canaries. 



9. F, lolia'cea, JTuds. ; spikelets spiked distichous, fl. glumes 8-12 

 obtuse mucronate, nerves faint. Glyce'ria, Wats. Sclerochlo'a, Woods. 

 Trit'icum, Sm. Demaze'ria, Nym. 



