DICOTYLEDONES. 9 
OrDER VII—POLYGALACE. 
Genus XIX.—POLYGALA. 
47. P. VULGARIS (Linn.), A/ilkwort. Common. 
48. P. OXYTERA (Reich.), Milkwort. Fairly Common. 
I have specimens which I believe to be this. Mr 
Ar. Bennet informs me that he has a specimen of it 
from Orkney, gathered in Rousay by Miss Webb, 
July 1896. 
49. P. DEPRESSA (Wend.), Milkwort. 
This was a plant gathered in Deerness and Hoy, 
and sent to Mr Ar. Bennett, who so named it. This 
is given by Sir J. D. Hooker as a sub-species of P. 
vulgaris ; but as a separate species, P. serpyllacea 
(Weihe), by Prof. Babington. 
OrpderR VIIL—CAROPHYLLACEZ. 
Genus XX.---SILENE (Linn.), Sea-campion. 
50. S. MARITIMA (With.) Common on the sea- 
shore. 
51. 8. AcauLIS (Linn.), Moss-campion. 
Considerable quantities are growing on the scree 
of the rccky ledges of Hoy Hills, and on *kea Hill, 
near Fitty Hill, Westray. 
52. 8. cUCcUBALUS (Wibel), Bladder-campion. 
Found on jarm of Keigar, Deerness, in 1904; 
introduced with seeds. 
