24, FLORA ORCADENSIS. 
Genus LX.—CIRCALA (Linn.) 
137. C. aLpina (Linn.), Hnchanter’s Nightshade. 
Rare. 
Hoy, Evie, Naversdale. I got fine specimens in 
Burn of Redland, Firth, in 1905; accidentally mtro- 
duced at Swanbister. 
OrpER XVIL—HALORAGACEAL. 
Genus LXI.—HIPPURIS (Linn.) 
138. H. vutearis (Linn.), Mare’s Tal. 
In several streams—St. Andrews, Evie, Harray, &e. 
Genus LXIL—MYRIOPHYLLUM (Linn.) 
139. M. ALTERNIFLORUM (DC.), Water-mdlfovl. 
Common. 
140. M. spicarum (Linn.), Spiked Water-malforl. 
Scarce. 
In several parts of Loch Stenness, and in Loch 
Bea, Sanday ; bog, Mirkaday, Deerness; specimens 
gathered in July 1898. 
Genus LXIII—CALLITRICHE (Linn.) 
141. C. VERNALIS (Koch), Water-starwort. 
Specimens were seen by Mr Bennet, and so named. 
142. C.sTAGNALIS(Scop.), Water-starwort. Common. 
Above School, St. Andrews, &c. 
143. C. PoLYMORPHA (Lonnr.), Water-starwort, 
Bog, Stove, Deerness. 
