22 FLORA ORCADENISS. 
Var. subglobosa. Redland Burn, Firth (1905, M. 
Spence). 
128. R. canrna (Linn.) 
Var. duwmalis (Bechst.) Burn of Quoys, Hoy, and 
Wideford Burn in 1902 (M. Spence) ; Searquoy Burn, 
Orphir (Dr Boswell). 
Var. Reuteri. Oyce, Firth (Dr Boswell); Hoy 
(1875, Col. H. H. Johnston, C.B.) 
Var. subcristata. Oyce, Firth (1880, Col. H. H. 
Johnston, C.B.) 
Var. lutetiwna (Leman). Crags at burn side, 
Ward Hill, Hoy (18838, Col. H. H. Johnston, C.B.) 
Genus LVII.—PYRUS (Linn.) 
129. P. AucuparRtA (Ehrh.), Rowan Tree. 
This is confined to a few of the South Isles. It is 
often met with in the valleys of Hoy and Walls. A 
bush or two in Calf of Flotta. 
OrpER XV.—LYTHRACEM. 
Genus LVIIL—PEPLIS (Linn ) 
130. P. Portuta (Linn.), Water Purslane. 
Local, but met with in several places—above 
Langskail, St. Andrews; U.F. Church, Orphir ; School- 
house, Evie; bog, Mirkaday, Deerness. 
ORDER XVI. ONAGRACE. 
Genus. LIX.—EPILOBIUM (Linn.) 
131. E. ancustiFroLtiuM (Linn.), French Willow, 
Rare, 
