AGROSTIS. LAGURTJS. 491 



below the middle of and exceeding the pale, lower 1. setaceous 

 tufted, stem-1. narrow flat, sheaths smooth, ligule oblong acute. 

 E. B. 1856. P. 15. Trailing leafy shoots. St. decumbent 

 below, then erect. L. narrow 5 radical involute. Pan.-branches 

 long, slender. Fl. green or purplish. Lower gl. not jagged at 

 the top ; midrib rough from rather below the middle. Upper 

 pale 0, or very minute. Awn sometimes very short or rarely 

 [var. mutica (Gaud.)] absent. [A mountain form with simpler pan. and 

 larger n 1 . is var. scotica, Hack.] Peaty heaths. P. VII. VIII. 



E. S. I. 



3. A. nigra (With.) ; pan.-branches constantly erect-patent 

 simple below rigid strongly hispid, gl. nearly equal strongly 

 toothed in upper half of keel, ligule long truncate. J. of B. xx. 

 t. 227. Soboliferous. St. erect. Sheaths rather rough. Ped. 

 toothed. Fl. awnless (P). Ripe anthers pale, \ as broad as 

 long. Borders of fields. P. VII. E. S. 



4. A. vulffdris l (With.) ; pan.-branches constantly patent 

 branched below, gl. nearly equal slightly toothed near top of 

 keel, ligule short truncate. E. B. 1671. St. long, ascending 

 or decumbent below and rooting at the knots, sometimes with 

 very long prostrate stoles. Sheaths smooth. Pedicels softly 

 hispid. Fl. rarely awned. Ripe anth. pale, \ as broad asjong. 

 $. A.pumila (Lightf.); ctespitose, st. 2 3 in. high, fl. often awned 

 usually infested with smut. Rather dry places. P. VII. E. S. I. 



5. A. al'ba (L.) ; pan. compact after flowering, glumes nearly 

 equal, lower toothed throughout its keel, ligule long, acute. 

 E. B. 1189. P. 13 & 14. St. procumbent and rooting below, ~~ 

 then erect, often with long prostrate stoles. Sheaths roughish. 

 Pan. spreading with flowers, afterwards close. Pedicels very 

 much toothed. Florets rarely awned. j@. A. stolonifera (L.) ; 

 st. procumbent and rooting, panicle lobed. E. B. 1532. , r A 

 glaucous seaside form with narrow pan. and short incurved 1. is var. 

 maritima (Meyer). Various other forms with contracted pan. have been 

 named var. coarctata.'] Fields c. j3. Sea-sands. P. VII. 

 Jbiorin-grass. E. S. I. 



22. LAGU'KUS Linn. Hare's-t ail-grass. 



[L. ovdtus (L.).E. B. 1334. P. 88. St. 412 in. high. L. 

 broad, lanceolate. Spikes ovate, soft, with long protruded awns. 

 Sandy places in Guernsey. A. VI. VII.] 



1 We have not altered this name to the earlier A. tennis (Sibth.), it 

 being doubtful whether the sp. should not stand as A. stolonifera (L.) or 

 A.pumila (L.) H. & J. G. 



