136 FLORA ORCADENSIS 
AVENA PRATENSIS (Linn.) 
Seen by Mr Ar. Bennett. Very common on sandy 
links near the seashore, Links of Melsetter, Waas, 
Hoy (11th August 1913); native. Each spikelet has 
one awn only, whereas Mr Ar. Bennett writes :— 
“Almost always there are two awns, and sometimes 
three. All my specimens have at least two. Your 
plant seems to agree with Nouman’s f. pauciflora, 
“Flora Arcticee Norvegie,” p. 54, 1893. 
GLYCERIA PLICATA (Fries.) 
Seen by Mr Ar. Bennett. Marsh, Burn of Ore, 
Waas. Hoy (29th July 1913); native. 
AGROPYRON REPENS (Beauv.) 
Var. LEERSIANUM (Gray). Seen by Mr Ar. 
Bennett. Common on shell-sand and shingle at sea- 
shore, Hookin, Papa Westray (4th September 19138) ; 
native. 
PotysticHuM LONCHITIS (Roth.) 
Clefts of rocks on hill-side, Ward Hill, Hoy (8rd 
Oct. 1913); native; fifteen plants only seen by Col. 
H. H. Johnston. 
CHARA FRAGILIS (Desv.) 
Var. CAPILLACEA (Coss. & Germ.) Seen by Mr J. 
Groves. Shallow pool, Rotten Loch, Brims, Waas, 
Hoy (4th August 1913); native; common in the pool. 
Mr J. Groves writes: —“I refer this to var. capillacea, 
but the primary cortical cells are larger than usual.” 
Also in deep water in a quarry, Kirkbrae, Westray 
(Ist September 1913); native ; common in the quarry. 
