972 Proceedings of Royal Society of .Edinburgh. [sess. 
Nymphsea lutea, L. II. Fairly abundant outside the belt of 
C. speciosa. 
Nymphsea pumila, Hoffm. I. Lowland ; distribution re- 
stricted. 
CRUCIFERAE. 
Radicula officinalis, Groves. II., III. Hot common. 
Cardamine pratensis, L. I., II., III. Universal about the 
shores of lakes, even the highest hill lochans. 
CARYOPHYLLACEiE. 
Silene maritima, With. I. Abundant about the shores of 
L. Ness. 
Stellaria uliginosa, Murr. I., II., III. Marshy places about 
lochs ; not common. 
ROSACEiE. 
Spiraea Ulmaria, L. I., II., III. Universal in wet places- 
about lakes chiefly lowland. 
Comarum palustre, L. I., II., III. Remarks as above plant. 
LYTHRACEiE. 
Peplis Portula, L. I. Aquatic and terrestrial forms about 
the shores of lowland lakes. 
Lythrum Salicaria, L. II. I have only observed this remark- 
able plant on the shore of Loch Fiart. 
ONAGRACEiE. 
Epilobium angustifolium, L. I. General but not common. 
Epilobium palustre, L. II. Fairly abundant. 
Epilobium hirsutum, L. I. Distribution restricted. 
HALORAGACE^E. 
Hippuris vulgaris, L. II. Very abundant. I. Only seen at 
L. Dunmaglass, the water of which, owing to the position 
of the loch, is not, or but slightly, peaty. III. Scarce. 
Myriophyllum alterniflorum, DC. I. Abundant in almost 
every loch. III. Less abundant. 
Myriophyllum spicatum, L. II. Abundant. 
