270 baker's north YORKSHIRE. 



the Hambleton Hills, Silpho Moor and the coast sand-hills at 

 Coatham and Saltburn, 



Spergula arvensis L. British type. Colonist. Area 

 general. Range 0-350. Common in cultivated fields and waste 

 ground, ascending as high as field-cul'tivation reaches. 



Honckeneja peploides Ehrh. British type. Native. 

 Maritime. Area 543. Range Coast-Level. Amongst the 

 coast sand-hills common at Middlesbrough, Coatham and 

 Redcar; rarer southward at Sandsend, Whitby and Scarborough. 



Spergularia media Angl. British type. Native. Mari- 

 time. Area 543. Range Coast-Level. Plentiful among the 

 salt-marshes at Middlesbrough and Coatham ; and occurring 

 also at Sandsend and by the side of the Esk at Whitby and on 

 the north shore at Sandsend and Scarborough. Our plant is the 

 Lepigonuin neglectu?n of Kindberg. The true Z. martnum I do 

 not know as occurring within our limits. 



Spergularia rubra St. Hilaire. British type. Native. 

 Area 7.3. i. Range 0-200. Sandy heaths, rare. It has been 

 met with upon Hutton Moor (between Ripon and Dishforth) 

 Strensall Common, Yearsley Moor, and Hutton Bushel Moor 

 near Hackness. 



Arenaria serpyllifolia L. British type. Native. Area 

 general. Range 0-650. Common upon dry banks, ascending 

 to the Main Limestone of Askrigg Moor and Widdale Fell. 

 This refers to A. sphxrocarpa Tenore. A. leptoclados Gussone 

 is frequent, occurring principally in sandy cultivated fields, and 

 ascends to the flagstone quarries of Leyburn Moor (300 yards); 

 and A. Lloydii Jordan grows upon the castle hill at Scarborough. 



Arenaria tenuifolia L. English type. Native. Area 7 . 3. 

 Range 100-300. In tolerable plenty in company with Teesdalia 

 and A. leptoclados amongst the flagstone quarries of Leyburn 

 Moor. The species is also reported by R. Teesdale from Barton 

 Heights near Castle Howard. 



Arenaria verna L. Intermediate type. Native. Montane. 

 Subxerophilous. Area 987. Range 150-800. Frequent 



