SLATER ; FLORA OF RIPON. 1 33 



211. S. uliginosa. Water stitchwort. Wet woods and by 



ditches, not common. Sharow Mires. 



212. Arenaria trinervis. Plantain-leaved sandwort. Shady 



places, common. 



213. A. serpyllifolia. Thyme-leaved sandwort. Walls and 



dry places, common. Var. leptodados, with lanceo- 

 late acute sepals, and gratent fruit stalks, not uncom- 

 mon on walls. 



218. Alsine verna. Vernal sandwort. Banks of the Swale, 

 near Richmond, plentiful. Likely to occur on lower 

 parts of that river near Ripon. 



220. A. tenuifolia. Fine-leaved sandwort. Walls and sandy 

 places, rare. Walls of Fountains Abbey ; gravel-pits 

 near Copgrove (Baines). 



223. Sagina apetala. Small-flowered pearl-wort. Dry waste 



places, not unfrequent. 



224. S. ciliata. Fringed pearl-wort. Gravelly places, less 



common than the last. 



225. S. procumbens. Procumbent pearl-wort. Garden 



walks and waste places, common. 



229. S. nodosa. Knotted pearl-wort. Sandy places, not 



very common. East end of the old race-course. 



230. Spergula arvensis. Corn spurrey. Cornfields, very 



common. 

 240. Scleranthus annuus. Knawel. Cornfields, occasional. 

 242. Montia fontana. Water blinks. By mossy streamlets, 



not common. Hutton Moor ; Healey. 



250. Hypericum perforatum. Common St. John's wort. 



Hedges and waste ground, common. 



251. H. dubium. Woods and damp places. In a stone 



quarry at Hutton (Baines). 



252. H. tetrapterum. Square-stalked St. John's wort. 



Woods and waste ground, not uncommon, 

 254. H. humifusum. Creeping St. John's wort. Gardens 

 and banks, not uncommon. 



