DICOTYLEDONES... o7 
ORDER XX.—UMBELLIFERZ. 
Genus LXVIII.-—HYDROCOTYLE (Linn.) 
154. H. vuLGARIS (Linn.), White-rot. Common. 
Genus LXIX.—APIUM (Linn.), Marsh-wort. 
155. A. INUNDATUM (Reichb.) Fairly common. 
Ness, Campston, St. Andrews; bog, Mirkaday, 
Deerness, &e. 
Genus LXX.—AGOPODIUM (Linn.) 
156. A. PoDAGRARIA (Linn.), Gout-weed. 
Fortunately very local; no doubt introduced. 
Hillside, Birsay ; Stromness, Kirkwall, Stenness, 
Deerness, Xe. 
Genus LXXI.—CARUM (Linn.) 
' 157. C. Carvi (Linn.), Caraway. 
Local; burn near Hestakelda, Holm; meadows 
below Cletts, South Ronaldshay; Westray (1905); 
naturalised in these places. 
Genus LXXII.—SISON (Linn.), Stone Parsley. 
158. S. AMomum (Linn.) 
This plant was found hy Dr Grant at the roadside. 
I think it was in Stenness. It was a curious place 
in which to find such a plant, and raises the interest- 
ing question as to how it got there. 
Genus LXXIIJIL—BUNIUM (Linn.) 
159. B. FLExUosUM (Fr.), Pig-nut. 
This plant was very numerous in a grass park to 
the east of Warrenfield in June 1911, where I gathered 
