APEEA. — AGEOSTIS. 417 



awn from below the middle of the pale and scarcely extending 

 beyond it, a rudimentary flower, 1. of the barren shoots slender. 

 — -B. ^. 2160.— St. erect, 2—3 ft. high. L. broad; on the 

 barren shoots much narrower. Uppermost ligule short, blunt; 

 longer and acute in the Irish plant, which has shorter pan.- 

 branches. — Bogs. Oakmere, Cheshire. Formerly found near 

 Forfar. Lough Neagh. P. VI. VII. E. S. T. 



20. Ape'ba Adans. Wind-grass. 



1. A. Spica-ven'ti (Beauv.) ; pan. spreading, anth. Ime&r-oh- 

 long.—Agrostis Sm., jB. B. 951. Anemagrostis (Trin.) P. IT.— 

 St. 1—2 feet high. Pan. very light and elegant ; branches 

 spreading horizontally with flowers. Awn 3 or 4 times exceed- 

 ing the pale. Rudimentary fl. like a pedicel. A tuft of hair 

 on each side of the inner pale. — Sandy fields, rare. A, VI. VII. 



E- 



2. A. ititerrup'ta (Beauv.) ; pan. close, anth. oval. — E. B. S. 

 2951. — St. 1 — 2 ft. high. Pan. -branches dividing from their 

 base, never spreading. Awn 3 or 4 times exceeding the pale. — 

 Sandy fields. Pampisford and Chippenham, Cambridgeshire. 

 Thetford, Sufiblk. Dirleton, S. A. VI. VII. E. S. 



21. AeKos'iis Linn. Bent-grass. 



1. A. setdcea (Curt.) ; panicle close oblong, branches and pe- 

 dicels rough, gl. unequal acute, lower pale jagged at the top 4- 

 ribbed, lateral ribs ending in short setae, kneed and twisted awn 

 from near the base of the pale and twice its length, I. setaceous 

 involute, sheaths rough, ligule oblong acute. — S. B. 1188. P. 

 83. — Root tufted. L. short, almost capillary. Pan.-branches 

 short. Midrib of lower glume rough in its upper half, slightly 

 excurrent. Upper pale very minute, a tuft of hairs at its base. 

 — Dry heaths in the South-west. P. VII. E. 



2. A. canina (L.) ; pan. spreading when in flower otherwise 

 close, branches and pedicels rough, gl. unequal acute, lower 

 pale jagged at the top 4-ribbed, kneed and twisted awn from 

 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 ; radical involuta Pan.-branches 

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

 the top ; midrib rough fi-om rather below the middle. Upper 

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

 absent.— Peaty heaths. P. VII. VIIL E. S. I. 



T 5 



