82 FLORA ORCADENSIS. 
Genus CCVII—BLYSMUS (Panz.), Blysmus. 
451. B. RuFuS (Link.) Rare. 
Near Rackwick ; Wauk Mill Bay; behind Piero- 
wall; and in salt marsh near school, St. Andrews. I 
have specimens from all except Rackwick. 
OrpER LVIII—CAREX, Sedge. 
452. C. pioica (Linn.) Not uncommon. 
Braebuster, Deerness ; Scapa (Dr Boswell); Hoy 
(R. Heddle). 
453. C. PULICARIS (Linn.), Plea Sedge. Common. 
454, C. PAUCIFLORA (Lightf.), Few-flowered Sedge. 
Rare. 
Rousay (R. Heddle). I have never found it, 
although I have looked for it in many likely places 
on the Mainland. 
455. C. IncuRVA (Lightf.), Curved Sedge. Rare. 
Pierowall; Newark, Deerness; Boardhouse, Birsay; 
Sandside, Deerness. 
456. C. ARENARIA (Linn.), Sand Sedge. 
This is one of our best sand-binders, and is 
common in suitable places. 
457. C. PANICULATA (Linn.), Great Sedge. 
Dr Fortescue reported this from Swanbister. I 
have found it near Quoykea, St. Andrews, but not 
growing well; but in-a bog below school, Cross, 
Sanday, through which a ditch ran, it grew 
