446 GUAMINE&. [GLYCERIA. 



4. Q. dis tans, Wold. ; perennial, leaves flat, ligule short, branches of 

 panicle 4-5-nate at length deflexed, fl. glumes 3-6 truncate. 



Sandy chiefly maritime places in Great Britain ; S. and E. of Ireland, rare ; 

 fl. July-Aug. Very closely allied to G. maritima, but rarely stoloniferous ; 

 leaves broader and flatter ; stem in the typical states much taller and more 

 slender ; panicle more branched with horizontal and deflexed branches, and 

 spikelets much smaller, - J-.i in - or less- DlSTRIB. Europe, N. Africa, 

 Siberia, Himalaya, N. America. 



Sub-sp. DIS'TANS proper ; branches of panicle smooth, rachis furrowed, spike- 

 lets distant. Common ; rarely found inland. 



Sub-sp. CONFER'TA, Fries (sp.) ; stoloniferous, branches of panicle scabrid, 

 rachis not furrowed, spikelets crowded smaller, fl. glumes 4-7, tips3-toothed. 

 <>'. Jiorreri, Bab. Intermediate between O. maritima and digtaiis. S. coast 

 chiefly ; Ireland, Dublin only. W. Europe. 



5. G. procum'bens, Sm. ; annual, leaves flat, ligule short, sheaths 

 inflated, branches of rigid panicle short solitary or 2-3-nate, fl. glumes 3-5 

 obtuse mucronate. 



Muddy sea-shores of England; S.E. of Ireland, rare; fl. June-July. Root 

 fibrous. Stems 3-6 in., short, stout, rigid, spreading, erect or decumbent. 

 Leaves short, subacute, glaucous ; sheaths large, grooved. Panicle 1-2 in., 

 green ; rachis angular ; branches stout, erecto-patent, subdistichous, 

 smooth. Spikelets J-iin., subsessile, crowded. DISTRIB. W. Europe from 

 Holland to Spain and Italy, N. Africa, Siberia, Himalaya, N. America. 

 ** Annual, rigid and wiry. Empty glumes 1-nerved. (Catapodium, Link. ) 

 (\. G. rig'ida, Sm. ; branches of panicle distichous with 3-5 subsessile 

 spikelets, fl. glumes 7-10 acute, nerves faint. 



Dry rocks, walls, &c., from Ross southwards ; rather rare in Ireland ; fl. June. 

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

 volute, subsetaceous ; sheaths terete, grooved ; ligule oblong. I'nnlrlfl^- 

 2^ in., strict ; rachis broadly channelled, edges scabrid. S/riMets J-J in., 

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

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

 southwards, Canaries. 



7. G. lolia'cea, Watson; spikelets spiked distichous, fl. glumes 8-12, 

 obtuse mucronate, nerves faint. Poa, Huds. ; Sclcrochloa, Woods. 

 Sandy shores, from Fife southwards, and in Ireland ; fl. July-Aug. Green, 

 smooth, glabrous. Root fibrous. Stems spreading and erect, leafy. Leaves 

 small, flat or involute ; sheaths smooth ; ligule oblong. S-ntfos strict, 

 1-2J in. ; rachis stout, J-terete, hardly flexuous, edges smootn. ////</, ft 

 J jj in., sessile, erect, green ; fl. glumes broad, obtusely-keeled, smooth ; 

 lateral nerves strongest. DISTRIB. S. and W. Europe from France to Dal- 

 matia, N. Africa. 



32. BRI ZA, L. QUAKING GRASS. 



Spikelets large, ovate or cordate, compressed, 'pendulous, in effuse pani- 

 cles, many-flowered ; branches in j- whorls ; pedicels capillary. Empty 

 glumes 2, longer or shorter than the lowest flowering, subequal, broad, 

 rounded at the back. Fl. glumes imbricate, boat-shaped or saccate, 

 horizontal, very obtuse, many-nerved. Palea narrow, nerves ciliate. 

 Scales 2, ovate-lanceolate. Stamens 3. Ovary glabrous; styles short, 



