86 FLORA ORCADENSIS. 
481. A. ALBA (Linn.), Marsh Bent-grass. Common. 
G. W. Searth tells me he got a variety which Mr 
Bennett considers a small state of coarctata (Hoftm.) 
Var. stolonifere. Sands in various places (R. 
Heddle). In a rill near trees, Carrick, Eday (M. 
Spence, Sept. 1908). 
482. A. VULGARIS (With.), Fine Bent-grass. 
Common. 
Var. pumila (Lightf.) Fairly common; Deerness, 
Firth, &e. 
Genus CCXIII—AMMOPHILA (Host.), Sea-reed. 
483. A. ARUNDINACEA (Host.) Common. 
Sandy shores; Deerness, Sanday, Walls, We. 
Genus CCXIV.—PHRAGMITES, Common Reed. 
484. P. comMUNIS (Trin.) Fairly common. 
Braebuster, Deerness; Loch of Harray (Dr Boswell); 
Loch Isbister, Birsay. 
Genus CCXV.—DESCHAMPSIA (Beauv.), Hatr-grass. 
485. D. caspitosa (Linn.), Tufted Harr-grass. 
Common. 
486. D. FLExuoSA (Linn.), Wavy Havr-grass. 
Common on heaths. 
Genus CCXVI.—AIRA (Linn.) 
A487, A. CARYOPHYLLEA (Linn.), Silver Havzr-grass. 
Common. 
Generally found on poor cultivated soil. 
