190 88. GRAMINE^E. 



7. DfGRAPHis. Reed-grass. 



D. ARUNDINACEA, Trin. Common Reed-grass. Rhizome creep- 

 ing, tufted. Steins 24 ft. high. Le. broad and long. Panicle 

 large, 6 8 in. long, of numerous spikelets, at first close and spike- 

 like, spreading when in flower, often tinged with purple. GL 

 keeled, but not winged. Glumellas with 2 linear tufts of hairs at 

 the base. (The ribbon-grass, or gardener's garters of the gardens, 

 is a variegated state of this grass. ) 



Very common. Sides of rivers and marshes. (B) P. 7 8. 



8. AGROSTIS. Bent-grass. 



1. A. CANINA, L. Brown Bent-grass. Rhizome creeping. 

 Stem slender, slightly decumbent at the base, then erect, 10 15 

 in. high. Le. linear, with smooth sheaths; ligule long, acute. 

 Panicle close, spreading when in flower. Outer glumella jagged 

 or toothed at the summit ; inner minute or wanting. Awn twisted, 

 slightly exceeding the glumella. 



Very common. Moist heaths and peaty pastures. (B) P. 6 7. 



2. A. VULGARIS, With. Fine Bent-grass. Rhizome slightly 

 creeping, tufted. Stem erect, 12 18 in. high. Le. rather short ; 

 sheaths smooth; ligule very short, obtuse. Panicle spreading, 

 pnrplish brown; branches smooth ish. Pedicels minutely toothed. 

 Gl. nearly equal, shining, lower one toothed on the upper part of 

 the keel. Glumellas 2, thin and pellucid, without an awn. 



Var. arlstata, with an awn. 



Var. pumila, 2 3 in. high, often awned. 



Very common. Banks and pastures. (B) P. 6 7. The dwarf state is very 

 common on the hills in Bute; Cumbrae and Arran. 



3. A. ALBA, L. Marsh Bent-grass, Fiorin. Rhizome, slightly 

 creeping, tufted. Stem ascending, 1 2 feet high. Le. rather 

 short; ligule long and acute; sheaths rough when rubbed down- 

 wards. Panicle contracted ; branches hispid, erect after flowering. 

 Large gl. toothed to the base. Outer glumella 5-nerved, seldom 

 awned. 



Very common. Marshy places and roadsides. (B) P. 7 8. 



Var. stolonifera is the Fiorin-grass, creeping and rooting at the 

 base, common on roadsides. 



Var. maritima. Stems procumbent, rooting at the joints, 

 panicle lobed. 



On sand by the sea shore. Frequent in Cumbrae and Arran. 



9. MfLiUM. Millet-grass. 



M. EFFUSUM, L. Spreading Millet-grass. Root fibrous. Steins 

 tufted, erect, smooth, and glossy, 3 4 ft. high. Le. with striated 



