CTU"OSTJBtrS. FESITTCA. 429 



long, procumbent or floating below. L. flat. Pan.-branehes in 

 alternate threes or fives. Spikelets usually 2- (or 3 — 5-) 

 flowered. Gl. very thin, often purplish. Fl. distant. — ^. minor ; 

 St. 2 — 3 in. high, spikelets mostly 1-flowered. — Ponds and 

 ditches. ;8. Wet sea-sands. P. VI. VII. E. S. I. 



40. Ctnosu'etjs Linn. Dog's-tail-grass. 



1. C eristdtus (L.) ; raceme spikelike linear, fl. with a very 

 short awn.— ^. £. 316. P. 28.— St. 12—18 in. high. Spike 

 unilateral, plane-compressed. Spikelets closely placed. Bract 

 comhlike.— Pastures. P. VIII. E. S. I. 



[ C. echindtits (L.) ; raceme contracted close ovate, avras about 

 as long as the pales.— ^. B. 1333. P. 28 &. 129.— St. erect, 

 1 — 2 feet high. Bract comblike with long points. — Sandy 

 places in Guernsey and Jersey. A. VII.] 



41. Dac'itlis Linn. Cock's-foot-grass. 



1. D. glomerdta (X.) ; pan. -branches with ovate clusters of 

 spikelets, st. erect, 1. linear flat with rough margins, root cses- 

 pitose. — E. B. 335. P. 29. — A coarse grass. Pan. -branches 

 long, spreading or divaricate with fl., afterwards adpressed, dis- 

 tant ; each bearing an ovate cluster of spikelets ; or wauting, 

 and the panicle of one cluster. — Meadows. P. VI. \1I. E. S. I. 



42. Festtj'ca Linn. Fesoue-grass. 



* Root-leaves very narrow. Ligule with round auricles. 

 Awn terminal. 



t Awn longer than the pale. Gl. very unequal. Vtopia. 



J Usually triandrous. 



1. F. uniglumis (Sol.); uppermost sheath far distant from the 

 erect close 2-ranked simple panicle, fl. compressed keeled, gl. very 

 unequal often only one, larger gl. very long and very acute. — E. B. 

 1430. P. 112. — St. 6—12 in. high, erect, leafy nearly to the 

 top. Panicle close, short. Lower gl. usually scarcely di- 

 stinguishable. — Sandy sea-shores. A. VI. E. 1. 



f J Usually monandrous. 



2. F. sciuroides (Eoth) ; uppermost sheath far distant from 

 the erect-patent oblong pan., lowermost pan.-brauch about equal- 

 ling I pan., fl. terete rough, gl. unequal as 2 to 1, larger gl. about 

 equalling lowest flower. — F. bromoides Sm., F. B. 1411. — 



